Testkings.C QA

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1 Testkings.C QA Number: C Passing Score: 800 Time Limit: 120 min File Version: 3.3 C InfoSphere DataStage v8.5 This VCE provide you the way to your desires to attain success. These are the most accurate study questions. Just focus on these and sit in your exam. This exam tools have really helped me to gain a command on the entire course. I purchased this study guide and have no regrets. It's really great source of preparation. Best of luck guys, Use this Exam and pass your Certification now. Sections 1. Volume A 2. Volume B 3. Volume C

2 Exam A QUESTION 1 You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What two options will allow jobs with a parallel transformer to execute in the customers production machines? (Choose two.) A. Add $APT_COMPILE_OPT=-portable B. Set $APT_COPY_TRANSFORM_OPERATOR C. Export the jobs with Information Server Manager with the executables. D. Create a package with Information Server Manager and select the option to include executables. Correct Answer: CD /Reference: QUESTION 2 Click on the Exhibit button.

3 Using this report, how many processes and on how many nodes does this score depict? A. 3 processes on 2 nodes B. 3 processes on 3 nodes C. 2 processes on 2 nodes D. 2 processes on 3 nodes Correct Answer: A /Reference: QUESTION 3 Click the exhibit button.

4 You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps -ef grep ds" and receive the following screen: Which process is a player? A B C D Correct Answer: D /Reference: QUESTION 4 What would help debug the run-time environment?

5 A. $APT_VERBOSE B. $OSH_PRINT_SCHEMAS C. Check the message filters for the job. D. View detailed runtime stats through Job monitor in Director Client. Correct Answer: B /Reference: QUESTION 5 To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information? A. $OSH_STDOUT_MSG B. $OSH_PRINT_SCHEMAS C. $APT_PM_PLAYER_MEMORY D. $APT_NO_PART_INSERTION Correct Answer: B /Reference: QUESTION 6 DataStage offers database connectivity through connectors, native parallel and plug-in stage types.

6 Which two statements are correct? (Choose two.) A. ODBC API is a plug-in stage. B. Next to the connector stage it is best to use the native parallel database stages. C. The connector stage offers better functionality and performance and is the best to use. D. For maximum parallel performance,scalability,and features it is best to use the native parallel database stages. Correct Answer: BC /Reference: QUESTION 7 You have a job that reads in Sequential File followed by a Transformer stage. When you run this job, which partitioning method will be used by default? A. Hash B. Same C. Random D. Round Robin Correct Answer: D /Reference: QUESTION 8 A job reads from a sequential file using a SequentialFile stage with option "number of readers" set to 2. This data goes to a Transformer stage and then is written to a dataset using the DataSet stage. The default configuration file has three nodes. The environment variable $APT_DISABLE_COMBINATION is set to "True" and partitioning is set to "Auto". How many processes will be created? A. 5 B. 7 C. 9 D. 12

7 Correct Answer: C /Reference: QUESTION 9 Which two properties can be set to read a fixed width sequential file in parallel? (Choose two.) A. Set Read Method to "File Pattern". B. Set the Execution mode to "Parallel". C. Set the "Read from Multiple Nodes" optional property to a value greater than 1. D. Set the "Number of Readers Per Node" optional property to a value greater than 1. Correct Answer: CD /Reference: QUESTION 10 Which two partitioning methods require keys? (Choose two.) A. Hash B. Entire C. Modulus D. Round Robin Correct Answer: AC

8 /Reference: QUESTION 11 Click the Exhibit button. These three Sequential Files shown in the exhibit need to be joined. Join_1 is on Columns CustID and OrderID. Join_2 is on CustID and LocationID. What is the most efficient hash partitioning strategy for each link? A. For LinkA Hash Partition on CustID;For LinkB Hash Partition on CustID;For LinkC Same Partition;For LinkD Hash Partition on CustID. B. For LinkA Hash Partition on OrderID and CustID;For LinkB Hash Partition on OrderID and CustID;For LinkC Hash Partition on LocationID and CustID;For LinkD Hash Partition on LocationID and CustID. C. For LinkA Hash Partition on CustID and OrderID;For LinkB Hash Partition on ustid and OrderID;For LinkC Hash Partition on CustID and LocationID;For LinkD Hash Partition on CustID and LocationID. D. For LinkA Hash Partition on CustID,OrderID and LocationID;For LinkB Hash Partition on CustID,OrderID and LocationID;For LinkC Hash Partition on CustID,OrderID and LocationID;For LinkD Hash Partition on CustID,OrderID and LocationID. Correct Answer: A /Reference:

9 QUESTION 12 A job design consists of an input sequential file, a Modify stage, followed by a Filter stage and an output SequentialFile stage. The job is run on an SMP machine with a configuration file defined with three nodes. No environment variables were set for the job. How many osh processes will this job create? A. 8 B. 9 C. 11 D. 16 Correct Answer: B /Reference: QUESTION 13 Which statement is true about the Web Services Pack? A. Web Services Pack generates a WSDL. B. Web Services Pack makes a service request using SOAP. C. Web Services Pack communicates by Enterprise Java Beans. D. Web Services Pack is configured from within the Information Services Director application. Correct Answer: B /Reference: QUESTION 14 A customer wants to select the entire order details for the largest transaction for each of 2 million customers from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement? A. Partition on customer key,sort on customer key and transaction amount,remove duplicates on customer key. B. Use a Sort Aggregator stage with calculated column based on the maximum value of transaction amount column.

10 C. Partition and sort the input to a Filter stage by customer number. Filter with the clause "MAX(transaction_amount)". D. Partition and sort the input to a RemoveDuplicates stage using the customer key and transaction amount columns. Remove duplicates on customer key. Correct Answer: A /Reference: QUESTION 15 Using a DB2 for z/os source database, a 200 million row source table with 30 million distinct values must be aggregated to calculate the average value of two column attributes. What would provide optimal performance while satisfying the business requirements? A. Select all source rows using a DB2 API stage. Aggregate using a Sort Aggregator. B. Using custom SQL with AVG functions and a DISTINCT clause,select all source rows using a DB2 Enterprise stage. C. Using custom SQL with an ORDER BY clause based on key columns,select all source rows using the DB2 API stage. Aggregate using a Hash Aggregator. D. Select all source rows using a DB2 Enterprise stage,use a parallel Sort stage with the specified sort keys,calculate the average values using a parallel Transformer with stage variables and output link constraints. Correct Answer: A /Reference: QUESTION 16 How must the input data set be organized for input into the join stage? (Choose two.) A. Unsorted B. Key partitioned C. Hash partitioned D. Entire partitioned E. Sorted in ascending order Correct Answer: BE

11 /Reference: QUESTION 17 Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.) A. XML Table Definitions B. Web Services WSDL Definitions C. Orchestrate Schema Definitions D. Web Service Function Definitions E. Job Stage Column tab properties entered using "Load" feature Correct Answer: ABD /Reference: QUESTION 18 What are three valid join operations for the Join stage? (Choose three.) A. Inner Join B. Top outer join C. Left outer join D. Right outer join E. Bottom inner join Correct Answer: ACD /Reference: QUESTION 19 The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)

12 A. Copy B. Edit C. Final D. Deleted E. Remove Duplicates Correct Answer: ABD /Reference: QUESTION 20 Which two statements are correct when referring to an Aggregator Stage? (Choose two.) A. Use Sort method for a limited number of distinct key values B. Use Hash method for a limited number of distinct key values C. Use Sort method with a large number of distinct key-column values D. Use Hash method with a large number ofdistinct key-column values Correct Answer: BC /Reference: QUESTION 21 Which Information Server client application must be used to manage project-level roles for DataStage? A. Director client B. Designer client C. WebSphere Information Services Director D. Web console for IBM Information Server Correct Answer: D

13 /Reference: QUESTION 22 You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job? A. Change the Auto-purge settings in Administrator. B. Change the Auto-purge settings for the job in Director. C. Set the $APT_AUTOPURGE_LOG environment variable to False. D. Set the $APT_AUTOLOG_PURGE environment variable to False. Correct Answer: B /Reference: QUESTION 23 Which two features of Data Sets make them suitable for job restart points? (Choose two.) A. They are persistent. B. They are indexed to improve access. C. They are compressed to minimize storage space. D. They use the same data types as the parallel framework. Correct Answer: AD /Reference: QUESTION 24 Which three actions can improve sort performance in a DataStage job? (Choose three.)

14 A. Specify only the key columns which are necessary. B. Minimize the number of sorts used within a job flow. C. Adjust the "Restrict Memory Usage" option in the Sort stage. D. Run the job sequentially so that only one sort process is invoked. E. Use the stable-sort option to avoid the random ordering of non-key data. Correct Answer: ABC /Reference: QUESTION 25 In the job fragment shown in the exhibit, the data going into the target Sequential File stage needs to be sorted by postal code. The Sort stage accomplishes this by running in Sequential mode and sorting by postal code. You have been asked to improve the performance of the job with a 4-node configuration file. Which two changes will improve the performance of the job? (Choose two.) A. Move the Sort stage in front of the Filter stage,so that the sort is performed earlier in the job. B. Add a second Sort stage just before the existing Sort stage; run the new stage in parallel mode sorting by postal code. C. Change the mode of the existing Sort stage to parallel mode; continue to sortby postal code. In the target Sequential File stage choose the SortMerge collector. D. Eliminate the existing Sort stage; define an in-stage sort in the Filter stage,sorting by postal code. In the target Sequential File stage choose the SortMerge collector. Correct Answer: CD /Reference:

15 QUESTION 26 You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.) A. The full job description can be identified within the Description Annotation stage. B. The background for the Description Annotation stage can be changed for each unique stage. C. The Description Annotation stage contains both the short and full descriptions for the job. D. The Description Annotation stage can be added several times at different locations to identify business logic. Correct Answer: AC /Reference: QUESTION 27 The number of File Set data files created depends upon what three items? (Choose three.) A. Schema definition of the file. B. File system limitations. C. Number of physical processing nodes. D. Number of processing nodes in the default node pool. E. Number of disks in the export or default disk pool connected to each processing node in the default node pool Correct Answer: BDE /Reference: QUESTION 28 If you do not alter any of the Format settings, the Sequential File stage will produce a file with what three types of format? (Choose three.) A. Rows are delimited by a DOS newline. B. Rows are delimited by a UNIX newline. C. All columns are delimited by a comma.

16 D. Variable length columns are contained within double quotes. E. All columns are delimited by a comma,except for the final column in a row. Correct Answer: BDE /Reference: QUESTION 29 There is a requirement to transfer a large file using an FTP Enterprise stage. How can you minimize processing time when a transfer failure occurs? A. Specify restartable mode on a transfer of the single file. B. Manually split the file into multiple files and specify restartable mode on a transfer. C. Create multiple readers to transfer file data and specify restartable mode on Input link tab. D. Use a sequencer to check transfer status and restart the job from the beginning on failure. Correct Answer: B /Reference: QUESTION 30 A client needs to process a flat file where a set of values in the import data columns should be treated as Null. What is the best way to handle multiple Null values using a Sequential File stage? A. On the Input Link format tab,specify the null values in double quotes separated by a comma in the Null field value property. B. On the Output Link format tab,specify the null values in double quotes separated by a comma in the Null field value property.

17 C. On the Input Link format tab,specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Click here to input option. D. On the Output Link format tab,specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Correct Answer: D /Reference: QUESTION 31 What are two ways to specify a stylesheet in an XML input stage? (Choose two.) A. On the output link columns properties tab,type the stylesheet in the XLST box. B. On the output link advanced properties tab,type the stylesheet in the Stylesheet box. C. On the output link columns properties tab,identify an input column that contains the stylesheet URL. D. On the output link advanced properties tab,load the content or path of a stylesheet that is stored on the engine tier host. Correct Answer: BD /Reference: QUESTION 32 How does the Complex Flat File stage (CFF) support the use of "OCCURS DEPENDING ON" clause? A. CFF does not support this clause. B. The related elements are output as arrays. C. The related elements are output as subrecords. D. The related elements are output as denormalized fields. Correct Answer: B

18 /Reference: QUESTION 33 What two stages are required to place Header and Detail records, which have different formats, into a single format? (Choose two.) A. Funnel Stage B. Combine Stage C. Column Export Stage D. Column Import Stage Correct Answer: AC /Reference: QUESTION 34 In a file defining a partial schema, which three properties define the record? (Choose three.) A. text B. delim C. intact D. record_length E. record_delim_string Correct Answer: CDE /Reference: QUESTION 35 How are Shared Table definitions created from the DataStage Client? A. This cannot be done from the DataStage Client

19 B. Using the "Save" button on the "Table Properties" panel C. Using the "Save" button on the columns tab on the Stage/Link editor D. Using the "Shared Table Creation Wizard" from the DataStage Client. E. No need to,datastage table definitions are automatically saved as shared metadata. Correct Answer: D /Reference: QUESTION 36 How is Runtime Column Propagation (RCP) enabled for use in DataStage Jobs? A. Use the Info Server web console to enable RCP B. Set the APT_ENABLE_RCP environment variable to TRUE. C. RCP is by default available for all DataStage Projects. D. Use RCP definition wizard to initialize RCP for project use. E. Use the DataStage Administrator to enable RCP for the project. Correct Answer: E /Reference: QUESTION 37 What three element Names are required to create Shared metadata? (Choose three.) A. Schema B. Database C. Project Name D. Host System E. Database Instance Correct Answer: ABD

20 /Reference: QUESTION 38 Which condition is required to use the LastRowInGroup() function to determine a key break on a field? A. The LastRowInGroup() function requires the data to be grouped by the key field,but the data does not have to be sorted. B. The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted,for example,by the presence of a Sort stage. C. The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort. D. The input data has to be sorted by the key field,but it is not required that DataStage be able to detect this. For example,the input data might be sorted before it is input to the job. (However,the job will abort at runtime if the data isn't sorted.) Correct Answer: B /Reference: QUESTION 39 The derivation for a stage variable is: Upcase(input_column1) : ' ' : Upcase(input_column2). Suppose that input_column1 contains a NULL value. Which behavior is expected? A. The job aborts. B. NULL is written to the target stage variable. C. The input row is either dropped or rejected depending on whether the Transformer has a reject link. D. The target stage variable is populated with spaces or zeros depending on the stage variable data type. Correct Answer: B /Reference:

21 QUESTION 40 You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.) A. Output the sum that you generated each time you process a row for which the LastRow() function returns True. B. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. C. Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column. D. Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group. E. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done. Correct Answer: CDE /Reference: QUESTION 41 Records in a source file must be copied to multiple output streams for further processing. Which two conditions would require the use of a Transformer stage instead of a Copy stage? (Choose two.) A. Renaming one or more output columns. B. Concatenating data from multiple input columns. C. Converting some input columns from integers to strings. D. Directing selected output records down one output link rather than another. Correct Answer: BD /Reference: QUESTION 42 A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

22 A. Filter stage B. Switch stage C. Transformer stage D. Split Vector stage Correct Answer: A /Reference: QUESTION 43 In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column? A. The job aborts. B. The row is rejected. C. NULL is written to the stage variable. D. The value written to the stage variable is undetermined. Correct Answer: C /Reference: QUESTION 44 A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables? A. two B. three C. four D. five Correct Answer: C

23 /Reference: QUESTION 45 Which two statements are true about DataStage parallel routines? (Choose two.) A. Parallel routines are written in DataStage Basic. B. Parallel routines are coded within a DataStage Designer editor. C. Parallel routines created as shared library functions are not supported. D. Parallel routines can be written that are called before or after a stage runs. E. Parallel routines can be written that are called from within the Transformer stage. Correct Answer: DE /Reference: QUESTION 46 Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.) A. Look up whether a record with a matching business key value exists in a dimension table. If it does,add new values for selected fields to values lists for those fields. B. Look up whether a record with a matching business key value exists in a fact table. If it does not,retrieve a new surrogate key value and insert a new row into the fact table. C. Look up whether a record with a matching business key value exists in a dimension table. If it does not,retrieve a new surrogate key value and insert a new row into the dimension table. D. Look up whether a record with a matching business key value exists in a dimension table. If it does,mark the record as not-current,and generate a new record with new values for selected fields. Correct Answer: CD Section: (none) /Reference:

24 QUESTION 47 Rows of data going into a Transformer stage are sorted and hash partitioned by the Input.Product column. Using stage variables, how can you determine when a new row is the first of a new group of Product rows? A. Create a stage variable named sv_isnewproduct and follow it by a second stage variable named sv_product. Map the Input.Product column tosv_product. The derivation for sv_isnewproduct is: IF Input.Product = sv_product THEN "YES" ELSE "NO". B. Create a stage variable named sv_isnewproduct and follow it by a second stage variable named sv_product. Map the Input.Product column tosv_product. The derivation for sv_isnewproduct is: IF Input.Product <> sv_product THEN "YES" ELSE "NO". C. Create a stage variable named sv_product and follow it by a second stage variable named sv_isnewproduct. Map the Input.Product column tosv_product. The derivation for sv_isnewproduct is: IF Input.Product = sv_product THEN "YES" ELSE "NO". D. Create a stage variable named sv_product and follow it by a second stage variable named sv_isnewproduct. Map the Input.Product column tosv_product. The derivation for sv_isnewproduct is: IF Input.Product <> sv_product THEN "YES" ELSE "NO". Correct Answer: B /Reference: QUESTION 48 Which of the following describes what happens when Runtime Column Propagation is enabled? A. An input column value flows into a target column only if it matches it by name. B. An input column value flows into a target column only if it is explicitly mapped to it. C. An input column value flows into a target column based on its position in a Schema file. D. An input column value flows into a target column based on its position in the input row. For example,first column in the input row goes into the first target column. Correct Answer: A /Reference: QUESTION 49

25 Records in a source file must be aggregated for further processing. Which two conditions would require the use of a Transformer stage instead of or in addition to an Aggregator stage? (Choose two.) A. The data hasn't been sorted or grouped. B. A global aggregation across all partitions is needed. C. The aggregation is a custom formula for your enterprise. D. Aggregation results outside of a certain range need to be flagged as abnormal. Correct Answer: CD /Reference: QUESTION 50 Which two statements are true about DataStage Parallel Build stages? (Choose two.) A. Build stages can only be used in a job that has Runtime Column Propagation (RCP) enabled. B. The Build stage generates a C/C++ source file that is compiled and linked outside of DataStage. C. On the Logic Post-Loop,you specify code that runs after all input records have been processed. D. The Build stage can be programmed to read and write automatically or code can be written to manually read and write rows. Correct Answer: CD /Reference: QUESTION 51 Input rows to a Transformer contain a product name field and a field with a list of colors the product can be ordered with. The colors are separated by the pipe character ( ). Here is an example of an input row: "Shirt"... "Red, Blue, Black"... For each input row, you want to output multiple output rows, one for each color in the list. For the above example input row, three rows are to be output, one per color: "Shirt"... "Red", "Shirt"... "Blue", "Shirt"... "Black". Which three operations will you need to accomplish this? (Choose three.) A. Use the Count() function over the ColorList field to determine the number of loop iterations. B. Use the LastRowInGroup() function to determine when the last color in the color list has been processed. C. Use variable to determine which color in the ColorList field to extract using the Field function.

26 D. Specify the following loop <= n,where n is a stage variable initialized with number of loop iterations. E. Use the SaveInputRecord() to save the input row for processing in the loop. Use the GetInputRecord() to extract the row for each iteration of the loop. Correct Answer: ACD /Reference: QUESTION 52 In a Transformer Stage you have a nullable input column that is mapped to a non-nullable output column. What two techniques can be used to handle NULL values? (Choose two.) A. NullToValue(input_column,'unknown'). B. IF input_column = '' THEN 'unknown' ELSE input_column. C. IF input_column = NULL THEN 'unknown' ELSE input_column. D. IF IsNULL(input_column) THEN 'unknown' ELSE input_column. Correct Answer: AD /Reference: QUESTION 53 Which three statements are true about stage variables in a Transformer Stage? (Choose three.) A. Stage variables can be set to NULL. B. Varchar stage variables can be initialized with spaces. C. Stage variables are refreshed with default values before each new input row is processed. D. The expression executed for a stage variable can refer to a stage variable which is executed later. E. A stage variable in one Transformer can refer to a stage variable in another Transformer,as long as the second Transformer was processed earlier in the job flow. Correct Answer: ABD

27 /Reference: QUESTION 54 What role must a user have to delete shared metadata assets from the repository? A. Common Metadata User B. DataStage Administrator C. Information Analyzer User D. Common Metadata Administrator E. Business Glossary Administrator Correct Answer: D /Reference: QUESTION 55 Which three of the following are valid schema formats? (Choose three.) A. Raw Columns B. Total Columns C. Decimal Columns D. Integer Columns E. Aggregator Columns Correct Answer: ACD /Reference: QUESTION 56 How is DataStage Table Metadata shared among DataStage projects?

28 A. DataStage Tables cannot be shared between projects. B. Import another copy of the table metadata into the project where it is required. C. Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository. D. Export DataStage Table Definitions from one project and importing them into another project. E. Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed. Correct Answer: C /Reference: QUESTION 57 What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.) A. RCP is not a feature of DataStage. B. Only columns used in the data flow need to be defined. C. Only columns that are defined as VarChar need RCP enabled. D. Sequential files don't require schema files when using RCP. E. Columns not specifically used in the flow are propagated as if they were. Correct Answer: BE /Reference: QUESTION 58 You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. By default, the Change Capture stage produces an output change link with which two characteristics? (Choose two.) A. added column named Change_Code B. added column named Difference_Value C. Table Definition based on the after input link D. Table Definition based on the keys of the input link

29 Correct Answer: AC /Reference: QUESTION 59 A DataStage job uses an Inner Join to combine data from two source parallel datasets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.) A. Disable job monitoring. B. Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY. C. Unset the Preserve Partitioning flag on the output of each parallel dataset. D. Explicitly specify hash partitioning and sorting on each input to the Join stage. E. Add a parallel sort stage before each Join input,specifying the "Don't Sort,Previously Grouped" sort key mode for each key. Correct Answer: BE /Reference: QUESTION 60 Which two statements are true regarding access to a MQ queue? (Choose two.) A. MQ stage connects to a queue manager in Client mode only. B. MQ stage and MQ connector stages support destructive reads. C. MQ plugin stage can be used to read and write messages from a remote MQ message queue. D. MQ connector stage is capable of connecting to Queue manager in both Server and Client mode. Correct Answer: BD /Reference:

30 QUESTION 61 What conditions are necessary for a master record and an update record to merge? A. all of the columns in the input record match the columns in the update record B. some of the columns in the input record match the columns in the update record C. none of the columns in the input record match the columns in the update record D. both records have the same values for the merge key column(s) that you specify Correct Answer: D /Reference: QUESTION 62 Configuring the weighting column of an Aggregator stage affects which three options. (Choose three.) A. Sum B. Maximum Value C. Sum of Weights D. Corrected Sum of Squares E. Percent Coefficient of Variation Correct Answer: ACE /Reference: QUESTION 63 In which two situations would you use the Web Services Client stage? (Choose two.) A. You need to create a WSDL. B. You want to deploy a service. C. You do not need both input and output links in a single web service operation.

31 D. You need the Web service to act as either a data source or a data target during an operation. Correct Answer: CD /Reference: QUESTION 64 What stage allows for more than one reject link? A. Peek stage B. Join stage C. Merge stage D. Lookup stage E. Funnel stage Correct Answer: C /Reference: QUESTION 65 A customer requires that a single output file generated by a parallel job be created in sort order. Which two job designs would achieve this goal? (Choose two.) A. Insert a sorted Funnel stage before the input to the output SequentialFile stage. B. Specify both partition and sort key columns on the input to the target SequentialFile stage. C. Use a parallel sort and partition the input to the SequentialFile stage using a Sort Merge collector. D. Set the "Execution Mode" in the Advanced stage properties tab of the parallel Sort stage to execute sequentially. E. Write the result to a parallel dataset,then write a shell script to convert the dataset records to text format,in sorted order. Correct Answer: CD /Reference:

32 QUESTION 66 What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.) A. Commit Changes B. Rollback Changes C. Send to Source Code Control Workspace D. Replace from Source Code Control Workspace Correct Answer: CD /Reference: QUESTION 67 You have been asked to assess the impact of replacing the DB2 Enterprise Stage with the DB2 Connector. You must identify all of the jobs and shared containers that use the DB2 Enterprise Stage. What two Advanced Find criteria would you set to identify the jobs and containers? (Choose two.) A. Type B. Where used C. Dependent upon D. Include Read only objects Correct Answer: AB /Reference: QUESTION 68 You are asked to identify the jobs and shared containers that use the ADDRESS column. The Size has changed from 50 to 120 characters in the source system so the jobs must be updated with the new size. What feature of the Designer will locate where a column is used in a DataStage project?

33 A. Open the Table Definition properties,select the ADDRESS column,then right click and select Find where used. B. Select a Table Definition,then right click and choose Find where column is used. Select the column to search for from the list. C. From Designer Tools open an Advanced Find dialog. Select Columns from the Type list and enter the column name in the Name To Find field. D. From Designer Tools,open an Advanced Find dialog. Enter the column name in the Name to find field. Select Jobs and Shared Containers from the Type to find list. Correct Answer: C /Reference: QUESTION 69 What Information Server tool provides integration with source code control repositories? A. DataStage Designer B. Multiple Job Compile C. Information Server Manager D. Information Services Director Correct Answer: C /Reference: QUESTION 70 You are describing to your customer how to work with packages. There are two steps that must be carried out in order to move the package to a target project. Which two steps must be carried out to move the DataStage objects to the Production system? (Choose two.) A. Build B. Export C. Deploy D. Package E. Compile

34 Correct Answer: AC /Reference: QUESTION 71 What two repositories does the Source Code Control Integration for DataStage and QualityStage serve? (Choose two.) A. Source Code Repository B. Universe Project Repository C. Information Analyzer Repository D. Information Server meta-data Repository Correct Answer: AD /Reference: QUESTION 72 You need to find the differences between the jobs in the Test project and theit older version in the Production project. You discover that the Production project is on another domain. What feature would find the differences in a job that is in a project on a different domain? A. Cross Domain Compare B. Cross Project Compare C. DataStage Version Control D. Export from the other domain and import into a project in the same domain as the one you are working in.

35 Correct Answer: B /Reference: QUESTION 73 Click the Exhibit button. The job in the exhibit runs to successful completion with no warnings. However, a validation test identifies that the CUSTOMER_MASTER table is empty. You suspect the cause to be related to the NEW_CUSTOMERS table or a defect in the job. Examining runtime meta-data will help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.) A. $APT_PM_PLAYER_STATS B. Job Monitor Tool in the Director Client C. Show Performance Statistics in the Designer. D. Use job run operational meta-data reports from IS Manager. Correct Answer: BC

36 /Reference: QUESTION 74 Which environment variable determines where the temporary scores are stored? A. APT_JOB_MON B. APT_HIGH_SCORE C. APT_DUMP_SCORE D. APT_SAVE_SCORE Correct Answer: D /Reference: QUESTION 75 Which option is required to identify a particular job player processes?which option is required to identify a particular job? player processes? A. Set $APT_DUMP_SCORE to true. B. Set $APT_PM_SHOW_PIDS to true. C. Log onto the server and issue the command "ps -ef grep ds". D. Use the DataStage Director Job administration screen to display active player processes. Correct Answer: B /Reference: QUESTION 76 A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job? A. Replace the Join with a Merge stage. B. Break the input file into multiple files.

37 C. Alter the number of partitions in the $APT_CONFIG_FILE. D. Use Round Robin partitioning on the stream and Entire partitioning on the reference. Correct Answer: C /Reference: QUESTION 77 Click on the Exhibit button. Which environment variable would provide this information? A. APT_STATUS B. APT_DEBUG_PARTITION C. APT_PM_PLAYER_TIMING D. APT_SHOW_COMPONENT_CALLS Correct Answer: C /Reference: QUESTION 78 Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a

38 single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.) A. Join then update B. Truncate then add C. Insert then update D. Delete then insert E. Update then insert Correct Answer: CDE /Reference: QUESTION 79 Which Oracle Enterprise stage read property can be set using -dboptions to tune job performance? A. memsize B. arraysize C. transactsize D. partitionsize Correct Answer: B /Reference: QUESTION 80 Which two statements are correct when using the Oracle Enterprise stage? (Choose two.) A. $APT_ORCHHOME/bin must appear before $ORACLE_HOME/bin in the $PATH. B. Define variable $TNS_ADMIN to point to the tnsnames.ora file location. C. DataStage Designer requires connectivity to the Oracle database during job development. D. Add $ORACLE_HOME/bin to the $PATH and $ORACLE_HOME/lib to the $LIBPATH, $LD_LIBRARY_PATH,or $SHLIB_PATH.

39 Correct Answer: AD /Reference: QUESTION 81 The DB2 and Oracle Enterprise stages support logged and non-logged DBMS table operations. What is the non-logged operation that is supported by the DB2 and Oracle Enterprise stages? A. Load B. Delete C. Update D. Insert Correct Answer: A /Reference: QUESTION 82 Which three data types can the ODBC Enterprise stage handle? (Choose three.) A. SQL_CLOB B. SQL_BIGINT C. SQL_TIMESTAMP D. SQL_VARBINARY E. SQL_SMALLDATETIME Correct Answer: BCD /Reference:

40 QUESTION 83 Which two steps are required to change from a normal lookup to a sparse lookup in an ODBC Enterprise stage? (Choose two.) A. Sort the data on the reference link. B. Change the lookup option in the stage properties to "Sparse". C. Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*). D. Establish a relationship between the key field column in the source stage with the database table field. Correct Answer: BD /Reference: QUESTION 84 Which two statements are true about the usage of scratch disk? (Choose two.) A. The Sort stage always uses the scratch disk. B. You can define multiple scratch disk spaces to distribute disk I/O. C. If "buffer" scratch disk pool is defined,the framework uses this disk pool and the default disk pool. D. The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records. Correct Answer: BD /Reference: QUESTION 85 Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.) A. the IBM Metadata repository B. the local operating system directory C. the IBM Information Server user directory D. the IBM Suite User Configuration file specified within the dsenv file

41 Correct Answer: BC /Reference: QUESTION 86 In which two operations can you create DataStage projects? (Choose two.) A. During DataStage installation. B. When adding new projects from DataStage Administrator. C. When creating a project in the IBM Information Server Console. D. When exporting and importing a DataStage project from DataStage Director. Correct Answer: AB /Reference: QUESTION 87 You have a DataStage job on SMP environment. It contains an input sequential file, a Modify stage, followed by a Transformer stage, and an output Sequential File stage. The job is run with three nodes. The engine uses all default settings. How many processes will this job create? A. 9 B. 12 C. 16 D. 19 Correct Answer: A /Reference: QUESTION 88

42 Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.) A. Set the Job1 Activity stage to "Do not checkpoint run.". B. Set trigger on the Job1 Activity stage to "Unconditional". C. In the Job1 Activity stage set the Execution action to "Reset if required,then run.". D. Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional". Correct Answer: AC /Reference: QUESTION 89 When you run a parallel job, any error messages and warnings are written to the job log and can be viewed from the Director client. What two levels of message handlers are there? (Choose two.) A. stage level B. job level C. project level D. record level Correct Answer: BC /Reference: QUESTION 90 Which three of the following are valid options for the dsjob command? (Choose three.) A. Stopping a job B. Compiling a job C. Purging log files D. Accessing log files

43 E. Setting an alias for a job Correct Answer: ADE /Reference: QUESTION 91 You write a job control routine to control a sequence of jobs running as a single unit of work. What are three valid job status types you can trap for? (Choose three.) A. DSJS.START B. DSJS.RUNOK C. DSJS.STOPPED D. DSJS.RUNERROR E. DSJS.RUNFAILED Correct Answer: BCE /Reference: QUESTION 92 In the exhibit, a Funnel stage has two input links. Input 1 (Seq_File) comes from a SequentialFile with "Readers per Node" set to "2". Input 2 (Dataset) comes from a dataset created with 3 partitions. With the Funnel stage, the funnel type is set to "Sequence". The parallel configuration file contains three nodes.

44 How many instances of the Funnel stage run in parallel? A. 1 B. 2 C. 3 D. 6 Correct Answer: C /Reference: QUESTION 93 A job contains a Sort stage that sorts a large volume of data across a cluster of servers. Due to new requirements, the customer has requested that this sorting be done on a subset of servers identified in the configuration file to minimize impact on database nodes. The $APT_CONFIG_FILE shows no sort disk pool for any node. Which two steps will accomplish this? (Choose two.) A. Assign a separate config file just for the Sort stage. B. Have an appropriate node constraint within the Sort stage.

45 C. Use the environment variable $APT_SCRATCH_SPACE_SORT_USAGE. D. Define a non-default node pool with a subset of nodes in the parallel configuration file. E. Create a sort scratch disk pool with a subset of nodes in the parallel configuration file. Correct Answer: BD /Reference: Corrected. QUESTION 94 You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate? A. Use Copy stage. B. Use SortMerge collector for the Sequential File input link. C. Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link. D. Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link. Correct Answer: B /Reference: QUESTION 95 You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.) A. Use an external Source stage. B. Specify a node constraint for the SequentialFile stage. C. Set the Execution Mode to the SequentialFile stage to "Parallel". D. Set the "Read From Multiple Nodes" optional property to a value greater than 1. E. Set the "Number of Readers per Node" optional property to a value greater than 1. Correct Answer: DE

46 /Reference: QUESTION 96 What is the lowest CPU cost partitioning method? A. Hash B. Entire C. Random D. Round Robin Correct Answer: D /Reference: QUESTION 97 The purchase history record contains CustID, ProductID, ProductType and TotalAmount. You need to retain the record of greatest TotalAmount per CustID and ProductType using RemoveDuplicate stage. Which two statements accomplish this requirement? (Choose two.) A. Hash-partition on CustID;Sort on CustID,ProductType and TotalAmount. B. Hash-partition on ProductType;Sort on ProductType,CustID and TotalAmount. C. Hash-partition on CustID and ProductType;Sort on CustID,ProductType and TotalAmount. D. Hash-partition on CustID,ProductType and TotalAmount;Sort on CustID,ProductType and TotalAmount. Correct Answer: AC /Reference: QUESTION 98 You are required to use a Make Vector stage in your job. What three requirements must be met in order to use this stage? (Choose three.)

47 A. Columns must be in consecutive order. B. Input columns must all be of the same data type. C. Input columns must form a numeric sequence. D. All columns are combined into a vector of the same length as the number of columns. E. Input columns that do not have a name of form <column_name>0 to <column_name>n,where <column_name> is the column name and 0 andn are the first and last of its consecutive numbers will not be included in the vector and will be dropped. Correct Answer: BCD /Reference: QUESTION 99 A customer requires reading a fixed-length sequential file in parallel where input rows can be identified. What two tasks must be done to meet these requirements? (Choose two.) A. Set partitioning method to Same. B. Specify Multiple readers per node. C. Set $APT_READ_MULTI_NODES to TRUE. D. Ensure data has unique identifiers for data rows. Correct Answer: BD /Reference: QUESTION 100 Which three source stages require a schema file when using RCP? (Choose three.) A. File Set Stage B. Data Set Stage C. External Target Stage D. Column Export Stage E. Complex Flat File Stage

48 Correct Answer: ACD /Reference: QUESTION 101 A client has multiple servers connected with a high bandwidth switch and has installed DataStage on one of them. There are five files (with the same record layout) that must be retrieved from three other servers using FTP. Which approach will retrieve and process all five files in the minimal amount of time? A. Use a single FTP Enterprise stage and specify five URI properties (one for each file). Next,process the records without landing to disk. B. In a single job,use five separate FTP Enterprise stages with output links to a single Sort Funnel stage. Next,process the records withoutlanding to disk. C. In a single job,use three separate FTP Enterprise stages (one for each machine) with output links to a single Sort Funnel stage. Next,processthe records without landing to disk. D. Create a sequence containing five separate DataStage jobs which each retrieve a single file and append it to a common Data Set. Next,process the resulting Data Set in an sixth DataStage job. Correct Answer: A /Reference: QUESTION 102 Which three statements are true about File Sets? (Choose three.) A. File sets are partitioned. B. File sets are readable by external applications. C. File sets always execute in parallel. D. File sets are stored as header file and data files. E. File sets have a proprietary data format which may change in future DataStage versions. Correct Answer: ABD

49 /Reference: QUESTION 103 Which two statements are correct about XML stages and their usage? (Choose two.) A. XML Input stage converts XML data to hierarchical format. B. XML Input stage transforms hierarchical XSLT data to tabular format. C. XML Transformer stage converts an XML document to another XML hierarchical format. D. XML Output stage converts relational tables and sequential files to XML hierarchical structures. Correct Answer: CD /Reference: QUESTION 104 What is the correct method to process a file containing multiple record types using a Complex Flat File stage? A. Manually break the file into multiple files by record type. B. Define record definitions on the Constraints tab of the Complex Flat File stage. C. Define record ID constraints on the Records ID tab of the Complex Flat File stage. D. Use a Modify stage to convert the output array from the Complex Flat File to a subrecord. Correct Answer: C /Reference: QUESTION 105 Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs? A. Use parameters to identify file names. B. Generate unique file names by using a macro. C. Use DSJobInvocationID to generate a unique filename.

50 D. Use a Transformer stage variable to generate the name. Correct Answer: A /Reference: QUESTION 106 You have been given operational requirements to introduce data recovery to one of your parallel job designs. Additionally, you have been told that you are to use flat files as your intermediate data structure. Which two tasks will accomplish these objectives? (Choose two.) A. Use the Sequential stage to export and import data between jobs. B. Enable checkpoint restartability in each of your parallel stages. C. Break up the design by splitting it into at least two parallel jobs. D. Use the Hash File stage to write and read data between parallel jobs. Correct Answer: AC /Reference: QUESTION 107 A customer is complaining of poor performance from the job shown in the exhibit, which aggregates and joins on ZIP code. Currently all partitioning is set to "Auto" and sort/partition insertion is allowed. What would give the best performance improvement for the job?

51 A. Hash partition and sort on ZIP code on the input links to the Aggregator and Join stages. B. Hash partition and sort on ZIP code prior to the Copy stage,and use same partitioning on the Aggregator and Join stages. C. Use same partitioning on all input links in the job; create the input data set by hash-partitioning its input on ZIP code. D. Hash partition and sort on ZIP code prior to the Copy stage and use entire partitioning on the output of the Aggregator stage. Correct Answer: B /Reference: QUESTION 108 You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes? A. Named all stage and links the same. B. Named all stages and links based on what they do. C. Indicated all stage names within the job annotation. D. Named all stage and links with column names and ideas. Correct Answer: B /Reference: QUESTION 109 You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.) A. Jobs using this parallel shared container need to be re-compiled. B. Use usage analysis and multi-compile to re-compile job using this shared container. C. You can create a sequencer to re-compile all of the routines using this shared container. D. Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed. Correct Answer: AB

52 /Reference: QUESTION 110 The given job processes large volumes of data using default partitioning, with sort/partition insertion enabled. Both source Data Sets are partitioned and sorted on the merge key. Assuming that the business logic allows all of the following actions, which design change would improve the performance of this job? A. Set the buffer mode to "no buffer" on the output links of both Data Sets. B. Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set. C. Set the "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage. D. Before each input to the Merge stage,insert a Sort stage with "Don't Group,Previously Grouped" set on the merge key. Specify SAME partitioning on all inputs. Correct Answer: D /Reference: QUESTION 111 You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)

53 A. Suite User role B. DataStage Developer C. DataStagesuper operator D. Information Analyzer Data Administrator Correct Answer: BC /Reference: References: QUESTION 112 Your job is using the DB2 Enterprise stage as a target. In this job you are inserting data into a single existing table on a remote database. You are using Run-Time Column Propagation (RCP) on all of the links. Which two job design configuration actions would you consider to effectively use RCP? (Select two) A. In the DB2 Enterprise stage use Connection properties to manage column mappings. B. In the DB2 Enterprise stage set the option named "Silently Drop Columns Not in Table" to "True". C. Use a Modify stage prior to the DB2 Enterprise stage in order to drop the columns not found in the table. D. Use DB2 partitioning properties on the input link to the DB2 Enterprise stage to control column layout in partitions. Correct Answer: BD /Reference: QUESTION 113 How are Host Systems added to the Shared Metadata repository? (Select two)

54 A. Use the Import/Export Manager when importing shared metadata. B. Use the DataStage Administrator application to import new Host Systems. C. Use the shared table creation wizard from the DataStage client to add a new Host System. D. Select Repository > Metadata Sharing > Management from the main menu to open the Shared Metadata Management tool Correct Answer: D /Reference: References: QUESTION 114 Which of the following describes a type two update in a Slowly Changing Dimensions (SCD) stage? A. An update that overwrites the existing column value. B. An update that replaces the existing column value if a specified condition is satisfied. C. An update that retains the existing column value in a list and adds the new value to the list. D. An update the retains the existing column value in an historical row and creates a new row with the new value. Correct Answer: C /Reference: QUESTION 115 What are the three features of Information Server that allow you to deploy DataStage objects? (Select three)

55 A. istool B. dscc.exe C. $APT_COPY_TRANSFORMER D. Designer Client Export E. Information Server Manager Correct Answer: BE /Reference: QUESTION 116 A copy of a production job was moved into a development project and modified to improve performance. You must prepare a report for a code review that documents the changes to the job. How would you gather the information for this report? (Select two) A. Compare Within B. DSMakeJobReport C. diffapicmdline.exe D. Cross Project Compare Correct Answer: B /Reference: References: QUESTION 117 In your DB2 database you have column names that use characters # and $. Which two steps should be completed to allow DataStage to convert these characters into internal format and back as necessary? (Select two) A. Set environment variable $DS_ENABLE_RESERVED_NUM_CONVERT to true. B. Set environment variable $DS_ENABLE_RESERVED_CHAR_CONVERT to true. C. Avoid using the strings_025_and_026_in your IBM DB2 column names.

56 D. Avoid using the strings_035_and_036_in your IBM DB2 column names. Correct Answer: B /Reference: QUESTION 118 You have a dataset that is range-partitioned and sorted. Which technique is most efficient to create globally sorted data file? A. Select Ordered collector method for the input link of the final Sequential File stage. B. Select SortMerge collector method for the input link of the final Sequential File stage. C. Insert Funnel stage before the final Sequential File stage and select Sequence as Funnel Type. D. Insert Funnel stage before the final Sequential File stage and select Sort Funnel as Funnel Type. Correct Answer: C /Reference: QUESTION 119 A scenario requires selecting only the most recent transactions for each of 2 million unique customers, from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement? A. Using the Dynamic Relational stage,use custom SQL to select all DISTINCT customer numbers from the order history table. B. Select all rows using the ODBC Connector stage,use a Sort Aggregator on customer number key to select the maximum order date. C. Using the DB2 Enterprise stage,select all rows. Perform a unique Sort using customer number and order date sort keys in ascending order. D. Using the DB2 API stage,select all rows. Use a Sort stage with customer number and order date sort keys in ascending order,then Remove Duplicates with Last Duplicate to retain. Correct Answer: D /Reference:

57 QUESTION 120 Which two statements are true for named node pools? (Select two) A. Using appropriately named node pools is only available in clustered environments. B. Using appropriately named node pools allow the separation of buffering from sorting disks. C. Using appropriately named node pools force DataStage jobs to use named pipes between stages. D. Named node pools are required for DataStage jobs to scale across multiple machines on a grid or cluster. E. Using appropriately named node pool constraints limit stages to be executed only on the nodes defined in the node pools. Correct Answer: BE /Reference: References: QUESTION 121 Which three statements are true about stage variables? (Select three) A. Stage variables cannot contain NULL values. B. Stage variables are executed before loop variables. C. Stage variables retain their values between rows in the stage. D. Stage variables are executed after constraints but before derivations. E. A derivation for a stage variable can reference stage variables that are later in the execution order. Correct Answer: ACE /Reference: References: QUESTION 122 Which three environment variables are used for reporting on DataStage jobs? (Select three) A. $APT_DISABLE_ROOT_FORKJOIN B. $APT_DUMP_SCORE

58 C. $OSH_PRINT_SCHEMAS D. $APT_PM_PLAYER_MEMORY E. $APT_PM_STARTUP_CONCURRENCY Correct Answer: BCD /Reference: QUESTION 123 What three statements are true with regards to restartable mode for an FTP Enterprise stage? (Select three) A. Specify the-restartable_transfer option. B. Optionally specify a unique job_id for the transfer. C. File URIs that were transferred completely are not transferred again. D. Specify a checkpoint directory for the transfer using the -checkpointdir directory. E. Checkpoint files are written to /^"checkpoint directory">/pftpjobid_ <"jobid number">. Correct Answer: BD /Reference: References: QUESTION 124 A customer must compare a date column with a job parameter date to determine which output links the row belongs on. What stage should be used for this requirement? A. Filter stage B. Switch stage C. Compare stage D. Transformer stage Correct Answer: D

59 /Reference: QUESTION 125 A 100MB input dataset has even distribution across 400 unique key values. When run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Select two) A. Convert all numeric fields to varchars. B. Set $APT_TSORT_STRESS_BLOCKSIZE to 50MB. C. Alter the Sort stage properties to perform a stable sort. D. Specify Round Robin partitioning on the input link to the Sort stage. E. Specify "Restrict Memory Usage" to 60MB on the Sort stage properties. Correct Answer: BE /Reference: QUESTION 126 A job design consists of an input SequentialFile stage, followed by a Peek stage, a Transformer stage, a Sort stage and finally an output Dataset stage. The job executes on an SMP system with a configuration file defined with 4 nodes. The environment variable $APT_DISABLE_COMBINATION is set to "True". How many processes will this job create? A. 12 B. 17 C. 19 D. 21 Correct Answer: B /Reference:

60 References: QUESTION 127 You have a 3TB dataset hash-partitioned on CustID in a clustered environment. You need to join this dataset with 1GB of reference data on OrderID. Which technique is most appropriate? A. Use Lookup stage,select auto partitioning for both link. B. Use Join stage,hash-partition and sort both link on OrderID. C. Use Lookup stage,select auto partitioning for the stream link and entire partitioning for the reference link. D. Use Lookup stage,select auto partitioning for the stream link and hash-partition the reference link on CustID. Correct Answer: C /Reference: QUESTION 128 You would like to invoke a job sequence from a web service. How can this be done? A. Invoke the job sequence using the dsjob command. B. Select the job sequence when creating the web service operation, C. Check the use job sequence checkbox when creating the web service. D. Create a DataStage routine that invokes the job sequence and invoke the routine from a DataStage job. Then use this job when creating the web service operation. Correct Answer: D /Reference: QUESTION 129 You are asked to convert a relational source, as shown in the exhibit, into three separate XML files. How would you accomplish this task?

61 A. Set "Output mode" setting" Split rows" under "Transformation Settings" of the Output link of an XML Output stage. B. Set "Output mode" setting "Single row" under "Transformation Settings" of the Output link of an XML Output stage. C. Set "Output mode" setting "Segregate" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage. D. Set "Output mode" setting "Break" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage. Correct Answer: B /Reference: QUESTION 130

62 Refer to the exhibit. You are responsible for improving performance for a given job. From reviewing the job dump score, you notice that many tsort operators are inserted. Join_1 is on columns "account", "po_date" and "hdr_number". Join_2 is based on "account", "hdr_number", "paid_date". Which two actions will help you improve the performance without changing the business logic? (Select two) A. Insert sort stage between Join_1 and Join_2, subsort ("Don't sort, previously sorted") on "account", sort "hdr_number" and "paid_date". B. Partition on "account" and "hdr_number" for all joins. Change Join_1 to join on "account", "hdr_number" and "po_date". Add Add $APT_SORTJNSERTION_CHECK_ONLY to job parameter list and set it to "True". C. Partition on account and hdr_numberfor all joins. Change Join_1 to join on "account", "hdr_number" and "po_date". Insert Sort between Join_1 and Join_2 and subsort ("Don't sort previously sorted") on "account". D. Partition on account and hdrnumber for all joins. Change Join_1 to join on "account", "hdrnumber" and "po_date". Insert Sort between Join_1 and Join_2 and subsort ("Don't sort previously sorted") on "account" and "hdr_number" and sort on "paid_date". Correct Answer: BD /Reference: QUESTION 131

63 Which Oracle data type conversion is correct? A. Oracle data type RAW converts to RAW in Oracle Enterprise stage. B. Oracle data type NUMBER(6,0) converts to INT32 in Oracle Enterprise. C. Oracle data type NUMBER(15,0) converts to INT32 in Oracle Enterprise stage. D. Oracle data type NUMBER converts to DECIMAL(38,0) in Oracle Enterprise stage. Correct Answer: D /Reference: QUESTION 132 A job is using the Load method in the DB2 and Oracle Enterprise stage for parallel loading into a single table. The job fails at runtime and you see there are new table rows added. What would explain this result? (Select two) A. Load operations are parallel. B. Load operations are sequential. C. Commit size is smaller than source data. D. Some partitions completed before failure. Correct Answer: AC /Reference: QUESTION 133 Which two job design techniques can be used to provide unique names to sequential output files that are used in multi-instance jobs? (Select two) A. Use parameters to identify file names. B. Prepend/append the Invocation ID to the file name. C. Use the file name(s) from values contained in the data stream. D. Create the file name(s) from values contained in a value file. Correct Answer: AB

64 /Reference: QUESTION 134 Your customer is using Source Code Control Integration for Information server and have tagged artifacts for version 1. You must create a deployment package from the version 1. Before you create the package you will have to ensure the project is up to date with version 1. What two things must you do to update the meta-data repository with the artifacts tagged as version 1? (Select two) A. Right-click the asset and click the Deploy command. B. Right-click the asset and click the Team Import command. C. Right-click the asset and click Replace From Source Control Workspace. D. Right-click the asset and click the Team command to update the Source Control Workspace with the asset. Correct Answer: BD /Reference: QUESTION 135 In the job fragment shown in the exhibit, there are two Sort stages: the first (Sort1) sorts the data by state, the second (Sort2) sorts the data by state and area, No repartitioning occurs between the stages. You have been asked to reduce the number of sorts to improve the performance of the job. Which two ways might be used to accomplish this without changing how the job functions? (Select two)

65 A. Remove the second Sort stage. Add area as an additional sort key. B. Remove the first Sort stage. Retain the existing sort keys in the second Sort stage. C. In the second Sort stage change the Sort Mode property of the area column to "Don't sort, previously sorted.". D. In the second Sort stage change the Sort Mode property of the state column to "Don't sort, previously sorted.". Correct Answer: BC /Reference: QUESTION 136 External data conversions fall in two major types - automatic and manual. What are the three automatic conversions? (Select three) A. SAS data B. Relational data C. Flat Text files D. Modify operator E. Sequential File stage Correct Answer: ABC /Reference: QUESTION 137 A dataset was created earlier with one partition, with the Preserve Partitioning flag set. A subsequent job using a 2-node configuration file reads from that dataset, passing data to a Transformer stage with "Same" partitioning. Which two statements are true? (Select two) A. The DataStage job will abort. B. DataStage will repartition the data and run one instance of the Transformer stage. C. Inserting a Sort stage prior to the Transformer stage will force its parallel execution.

66 D. Setting the Preserve Partitioning flag to "Set" will run one instance of the Transformer stage. E. Setting the Preserve Partitioning flag to "Clear" will generate two instances of the Transformer stage. Correct Answer: BE /Reference: QUESTION 138 Refer to the exhibit. You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps-ef grepds" and receive the following screen: