BrainDumps.C _108.Questions

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1 BrainDumps.C _108.Questions Number: C Passing Score: 800 Time Limit: 120 min File Version: I have correct many of questions answers. If there is any more then update this vce and re-upload. 100% valid, I didn't fail any question, all of them are in this VCE. This dumps is enough to pass the exam and I have to do. A "brain dump," as it relates to the certification exams, is a source of success. Valid this exam all questions come from this.

2 Exam A QUESTION 1 On which two operating systems can DB2 purescale run? (Choose two.) A. AIX B. Linux C. HP-UX D. Solaris E. Windows B /Reference: QUESTION 2 Which statement about data type mappings is true in a federated system? A. The Oracle DOUBLE data type maps to the DB2 type FLOAT by default. B. Data types can be mapped in both directions between a remote and local data type. C. Cast functions can be pushed down to remote servers even if a counterpart function does not exist there. D. For relational data sources, the degree to which you can override existing data type mappings or create mappings is limited. /Reference: QUESTION 3 Which statement about IBM WebSphere Information Integrator Q Replication is correct? A. It reads the DB2 recovery log and stores committed transactional data in staging tables. B. It reads the DB2 recovery log and converts committed transactional data to SQL statements. C. It provides the lowest latency of data in the target databases and lowest throughput of changed data to the target databases. D. It provides the lowest latency of data in the target databases and highest throughput of changed data to the target databases. /Reference: QUESTION 4 Which table configuration CANNOT utilize multi-temperature storage? A. A range-partitioned table utilizing multiple table spaces that map to DMS containers. B. Multiple tables containing the same data at different ages placed into the same table space. C. Multiple tables containing the same data at different ages placed into separate table spaces. D. A range-partitioned table utilizing multiple table spaces that map to individual storage groups.

3 /Reference: QUESTION 5 What is the preferred method for reclaiming unused storage in a DMS table space? A. Perform an ALTER TABLESPACE...REDUCE operation. B. Perform a REORG on each table within the table space, then perform an ALTER TABLESPACE...REDUCE operation. C. Perform an ALTER TABLESPACE...LOWER HIGH WATER MARK operation, and then an ALTER TABLESPACE...REDUCE operation. D. Perform a REORG on each table within the table space, then perform an ALTER TABLESPACE...LOWER HIGH WATER MARK operation. /Reference: QUESTION 6 If the following statements are executed: CREATE STOGROUP sg_hot ON '/path1', '/path2', '/path3'; CREATE STOGROUP sg_med ON '/path4', '/path5', '/path6'; CREATE TABLESPACE tbsp1 USING STOGROUP sg_hot; What is the recommended way to move table space TBSP1 from storage group SG_HOT to storage group SG_MED? A. Issue an ALTER TABLESPACE statement with the 'USING sg_med' option. B. Issue an ALTER STOGROUP statement with the 'MOVE tbsp1 TO sg_med' option. C. Perform a table space RESTORE operation with the 'USING STOGROUP sg_hot' option. D. Use the ADMIN_MOVE_TABLESPACE procedure to move table space TBSP1 to SG_HOT. /Reference: QUESTION 7 A DB2 9 database named MYDB that does not use automatic storage was migrated to DB When will a default storage group be defined for this database? A. The first time the database is accessed after the migration. B. The first time the CREATE STOGROUP statement is executed. C. When the ALTER DATABASE mydb CONVERT statement is used to convert the database to an automatic storage database.

4 D. When the ALTER TABLESPACE statement is used to convert the table space that holds the system catalog for the database to automatic storage. /Reference: QUESTION 8 The following statement was used to create a table space named USER_TMP in a non-partitioned database: CREATE USER TEMPORARY TABLESPACE user_tmp MANAGED BY SYSTEM USING (? mnt/fsystem4??mnt/fsystem5? Which operation can be performed on the USER_TMP table space with an ALTER TABLESPACE statement? A. New storage containers can be added to it. B. A different buffer pool can be associated with it. C. A hard limit can be placed on the size to which its storage containers can grow. D. Its high water mark can be lowered and its size can be reduced to the high water mark. /Reference: QUESTION 9 A DBA wants to create a set of tables in a storage group named SG_1, but no table spaces have been assigned to this group. What kind of table spaces must the DBA assign to the storage group before the desired tables can be created? A. Automatic storage (AS) table spaces B. System managed space (SMS) table spaces C. Database managed space (DMS) table spaces that use FILE containers D. Database managed space (DMS) table spaces that use RAW containers /Reference: QUESTION 10 What contributes to the efficient use of block-based buffer pools? A. The application does not use sequential prefetching. B. The application performs a lot of random I/O operations. C. The table space extent size is equal to the block size specified for the buffer pool. D. The table space prefetch size is equal to the block size specified for the buffer pool. /Reference:

5 QUESTION 11 What is a benefit of multi-temperature data storage? A. It helps reduce redundant I/O. B. It helps improve data compression ratios. C. It helps reduce storage costs for infrequently accessed data. D. It helps identify data access patterns to aid in storage planning. /Reference: QUESTION 12 A storage group named HOT_SG was created as follows: What does the DATA TAG 1 clause do? A. It indicates that the multiple storage paths referenced in the HOT_SG storage group definition exist in one physical location. B. It tells the DB2 Optimizer that database objects stored in the HOT_SG storage group are to be given preference over other objects when data access plans are generated. C. It indicates that the value 1 is to be assigned to data stored in the HOT_SG storage group, which Workload Manager (WLM) can then use to determine the processing priority to assign to database activities that interact with this data. D. It assigns a unique identifier to the instance of the HOT_SG storage group being defined; this identifier can then be used when moving table spaces to and from the storage group, when dropping the storage group, or when commenting on the storage group. /Reference: QUESTION 13 Which statement about partitioned indexes is FALSE? A. Both system- and user-generated indexes can be partitioned. B. Each index partition contains references only to data in its corresponding data partition. C. A partitioned index is made up of a set of index partitions, each of which contains the index entries for a single data partition D. When attaching new partitions, the SET INTEGRITY statement must be run before data in the newly attached partition will be reflected in thecorresponding partition index.

6 /Reference: QUESTION 14 What must be done to convert an existing table into an Insert-Time-Clustered (ITC) table? A. Call the ADMIN_MOVE_TABLE procedure. B. Call the ADMIN_REVALIDATE_DB_OBJECTS procedure. C. Issue a REORG TABLE statement with the ORGANIZE BY INSERT TIME option. D. Issue an ALTER TABLE statement with the ORGANIZE BY INSERT TIME option. /Reference: QUESTION 15 What statement regarding Asynchronous index cleanup (AIC) is correct? A. AIC removes all invalid index entries that refer to the attached partitions. B. AIC is initiated if a range-partitioned table contains one or more nonpartitioned indexes. C. AIC activates a newly attached partition after the index entries have been synchronized. D. AIC will not be initiated if a range-partitioned table has dependent materialized query tables (MQTs). /Reference: QUESTION 16 A DBA wants to create a table named SALES that has the following characteristics: Which clause must be used with the CREATE TABLE statement to define this table? A. DISTRIBUTE BY HASH B. PARTITION BY RANGE C. ORGANIZE BY DIMENSIONS D. ORGANIZE BY KEY SEQUENCE /Reference: QUESTION 17 Which Range-Clustered Tables (RCT) statement is correct? A. Reverse scans on RCTs are not supported. B. Clustering indexes are compatible with RCTs. C. The Design Advisor can recommend the use of RCTs. D. The IMPORT utility can be used with the REPLACE option to populate RCTs.

7 /Reference: QUESTION 18 A table named SALES was created as follows: Assuming all table spaces required already exist, which statement(s) must be executed to add a new partition that already contains data for the first quarter of 2013 to the SALES table and leave the table accessible? A. ALTER TABLE sales ADD PARTITION part_2013q1starting ('01/01/2013') ENDING ('03/31/2013') IN ts5; B. ALTER TABLE sales ATTACH PARTITION part_2013q1starting ('01/01/2013') ENDING ('03/31/2013')FROM TABLE q12013_sales; C. ALTER TABLE sales ADD PARTITION part_2013q1starting ('01/01/2013') ENDING ('03/31/2013') IN ts5;set INTEGRITY FOR sales IMMEDIATE CHECKED; D. ALTER TABLE sales ATTACH PARTITION part_2013q1starting ('01/01/2013') ENDING ('03/31/2013')FROM TABLE q12013_sales;set INTEGRITY FOR sales IMMEDIATE CHECKED; /Reference: QUESTION 19 In which scenario should a DBA consider creating a multidimensional clustering (MDC) table instead of a regular base table? A. To improve access performance for tables in an OLTP database. B. To improve index performance in a data warehouse environment. C. To improve query performance in a data warehouse environment. D. To improve insert/delete performance for tables in an OLTP database. /Reference: QUESTION 20

8 A DBA wants to create a table named SALES that has the following characteristics:?effective data clustering and management of space utilization?rows in the table should be clustered based on when they are added to the table Which clause must be used with the CREATE TABLE statement to define this table? A. ORGANIZE BY DIMENSIONS B. ORGANIZE BY INSERT TIME C. ORGANIZE BY TIME PERIOD D. ORGANIZE BY KEY SEQUENCE /Reference: QUESTION 21 Which statement about Range Clustered Tables (RCT) is correct? A. Storage space is not pre-allocated for an RCT. B. The ALTER TABLE statement can be used to change the physical structure of an RCT. C. When defining a range of key values for an RCT, a minimum value is optional. D. The minimum value of a key column for an RCT cannot be a negative value. /Reference: QUESTION 22 For a multi-partitioned database, what is the default behavior of the BACKUP DATABASE command? A. It will backup just the catalog partition. B. It will backup all partitions simultaneously. C. It will backup just the partition that the command is executed from. D. It will backup just the partitions that reside on the host that the command is executed from. /Reference: super valid. QUESTION 23 Which index(es) are created when a multidimensional clustering (MDC) table is defined with only one dimension? A. One composite block index and one unique index. B. One composite clustering index and one dimension block index. C. One index that serves as both the dimension block index and the composite block index. D. One index that serves as both the dimension block index and the composite clustering index.

9 /Reference: corrected. QUESTION 24 Which configuration parameter setting(s) are needed to force authentication to happen at the data source in a federated database environment? A. FEDERATED set to YES B. FEDERATED set to YESAUTHENTICATION set to SERVER or SERVER_ENCRYPT C. FEDERATED set to YESFED_NOAUTH set to YES D. FEDERATED set to YESFED_NOAUTH set to YESAUTHENTICATION set to SERVER or SERVER_ENCRYPT /Reference: QUESTION 25 What type of file system is used to store data and logs in a DB2 purescale environment? A. Network File System (NFS) B. General Parallel File System (GPFS) C. Common Internet File System (CIFS) D. Enhanced Journaled File System (JFS2 or EXT4) /Reference: QUESTION 26 To configure instance-level auditing with db2audit, which authority is required? A. SYSADM B. SYSCTRL C. SECADM D. SYSMAINT /Reference: QUESTION 27 What are two services that the cluster caching facility (CF) provides in a DB2 purescale environment? (Choose two.) A. Global Lock Management (GLM) B. Group Transaction Routing (GTR) C. Automated Member Restart (AMR) D. Buffer Pool Synchronization (BPS) E. Shared Communications Area (SGA)

10 E /Reference: QUESTION 28 An auditor has requested that all activities performed by those with SYSADM or DBADM authority be tracked. How can this be done with the db2audit tool? A. By creating a SYSADM ROLE and capturing SYSMAINT event records. B. By creating an AUDIT POLICY and associating it with SYSADM and DBADM authority. C. By creating a SYSADM ROLE and capturing SYSADMIN and CHECKING event records. D. By creating a AUDIT POLICY and associating it with SYSMAINT, SYSADMIN and CHECKING event records. /Reference: QUESTION 29 A database administrator needs to create a federated database and configure access to join data from 3 Oracle instances, 2 SQL Server instances, and 1 DB2 database. Which objects are needed to establish the specified connections? A. 3 Oracle servers, 1 Oracle wrapper, 2 SQL Server servers, 1 SQL Server wrapper, and nicknames for all databases. B. 3 Oracle servers, 3 Oracle wrappers, 2 SQL Server servers, 2 SQL Server wrappers, and nicknames for all databases. C. 3 Oracle servers, 1 Oracle wrapper, 2 SQL Server servers, 1 SQL Server wrapper, 1 DB2 server, 1 DB2 wrapper, and nicknames for alldatabases. D. 3 Oracle servers, 3 Oracle wrappers, 2 SQL Server servers, 2 SQL Server wrappers, 1 DB2 server, 1 DB2 wrapper, and nicknames for alldatabases. /Reference: up-to-date. QUESTION 30 Which statement about Q Replication is correct? A. It uses continuous log shipping to replicate from the source database to the target database. B. It uses HADR message queues to transmit transactions between source and target databases. C. It uses WebSphere MQ message queues to transmit transactions between source and target databases. D. It uses replication control tables and changed data tables to replicate from the source database to the target database.

11 /Reference: QUESTION 31 Which command will be executed successfully on every database partition if db2_all is used? A. CONNECT B. FORCE APPLICATION C. RESTART DATABASE D. ACTIVATE DATABASE /Reference: QUESTION 32 When will the existing data for a new partition be visible to applications querying a range-partitioned table? A. After the ALTER TABLE... ADD statement is executed. B. After the ALTER TABLE... ATTACH statement is executed. C. After the ALTER TABLE... ADD and SET INTEGRITY statements are executed. D. After the ALTER TABLE... ATTACH and SET INTEGRITY statements are executed. /Reference: QUESTION 33 Given the following CREATE TABLE statement: Which statement is correct? A. A range-clustered table is created and only values from 1 to can be stored in the STUDENT_ID column. B. A range-partitioned table is created and only values from 1 to can be stored in the STUDENT_ID column. C. A range-clustered table is created and values outside the range of 1 to can be stored in the STUDENT_ID column. D. A range-partitioned table is created and values outside the range of 1 to can be stored in the STUDENT_ID column.

12 /Reference: QUESTION 34 Which is a poor choice for a clustering dimension of a multidimensional clustering (MDC) table? A. Columns with low cardinalities B. Columns with high cardinalities C. Columns involved in roll-in or roll-out of data D. Columns involved in equality or range predicate queries /Reference: QUESTION 35 Which statement about Range-Clustered Tables (RCTs) is correct? A. More logging is required compared to similarly-sized regular tables. B. More buffer pool memory is required to store the table's B+ index structure. C. Space is pre-allocated and reserved for use by the table even when records do not yet exist. D. More maintenance is required since indexes must be updated after every insert, update, or delete operation. /Reference: QUESTION 36 A table named MYTAB was created as follows: How many rows will be inserted into the MYTAB table? A. 4 B. 8 C. 11 D. 12

13 /Reference: QUESTION 37 Which statement about Insert-Time-Clustered (ITC) is correct? A. Views cannot be created on ITC tables. B. ITC tables do not support row compression. C. Block indexes cannot be created for ITC tables. D. ITC tables can release their empty pages to the operating system. /Reference: QUESTION 38 A DBA wants to create a table named SALES that has the following characteristics:?effective data clustering and management of space utilization?rows in the table should be clustered based on when they are added to the table Which clause must be used with the CREATE TABLE statement to define this table? A. ORGANIZE BY DIMENSIONS B. ORGANIZE BY INSERT TIME C. ORGANIZE BY TIME PERIOD D. ORGANIZE BY KEY SEQUENCE /Reference: QUESTION 39 What must be done to convert a populated base table to a multidimensional clustering (MDC) table? A. Export the data, create an MDC table, and then import or load the data into the MDC table. B. Execute the ALTER TABLE... ORGANIZE BY DIMENSIONS statement to convert the table. C. Create an MDC table and then move the data in the base table to the MDC table with the db2move command. D. Export the data, execute the ALTER TABLE... ORGANIZE BY DIMENSIONS statement to convert the table, and then import or load the datainto the converted table. /Reference: QUESTION 40 Which command(s) should be used to drop database partition 10 from a database named MYDB?

14 A. STOP DBM DROP DBPARTITIONNUM 10;DROP DBPARTITIONNUM VERIFY; B. DROP DBPARTITIONNUM VERIFY;STOP DBM DROP DBPARTITIONNUM 10; C. CONNECT TO mydb;drop DBPARTITIONNUM 10;CONNECT RESET; D. CONNECT TO mydb;drop DBPARTITIONNUM 10;ACTIVATE DB mydb; /Reference: QUESTION 41 What statement regarding Asynchronous index cleanup (AIC) is correct? A. AIC removes all invalid index entries that refer to the attached partitions. B. AIC is initiated if a range-partitioned table contains one or more nonpartitioned indexes. C. AIC activates a newly attached partition after the index entries have been synchronized. D. AIC will not be initiated if a range-partitioned table has dependent materialized query tables (MQTs). /Reference: QUESTION 42 If a large amount of sequential prefetching is occurring, what can be done to improve efficiency? A. Set SEQDETECT to NO. B. Set NUMBLOCKPAGES to 0 in all buffer pools. C. Allocate a block-based area in the appropriate buffer pool. D. Create indexes that encourage the optimizer to use index-only access. /Reference: QUESTION 43 Given the following output: Which Explain procedure can be used to find the most expensive SQL statement in terms of CPU cost over a period of time? A. EXPLAIN_FROM_DATA B. EXPLAIN_FROM_ACTIVITY C. EXPLAIN_FROM_SECTION D. EXPLAIN_FROM_CATALOG

15 /Reference: QUESTION 44 A database named TEST was created and two buffer pools named BP_GENERAL and BP_AUDITING were created as follows: The majority of the database tables were created in table space TS1, while one large table was created in table space TS2. A set of triggers thatthe majority of the database tables were created in table space TS1, while one large table was created in table space TS2. A set of triggers that would populate the table in table space TS2 each time changes were made to the database were then defined and the database was put into production. At first, ad-hoc queries performing random I/O against the table in table space TS2 ran fine, but performance has gotten worse as the table has gotten larger. What should be done to improve query performance? A. Reduce the size of the BP_AUDITING buffer pool. B. Increase the size of the BP_AUDITING buffer pool. C. Change the page size of the BP_AUDITING buffer pool to 16 or 32 K. D. Replace the BP_AUDITING buffer pool with a block-based buffer pool. /Reference: answer is valid. QUESTION 45 A storage group named MED_SG was created as follows: CREATE STOGROUP med_sg ON? db2fs1?? db2fs2? '/db2fs3' Then, a table space named TS1 was created in the storage group and two tables (TAB_A and TAB_B) were created in the TS1 table space. Four months later, a DBA discovered that 90% of the space that had been allocated to the MED_SG storage group had been consumed. So, more space was added to the storage group by executing the following command: ALTER STOGROUP med_sg ADD? db2fs4? ALTER STOGROUP med_sg ADD?db2fs4 Shortly afterwards, queries against tables in the TS1 table space began to run slower. Which statement should be executed to correct the performance problem? A. ALTER TABLESPACE ts1 REBALANCE

16 B. ALTER STOGROUP med_sg ADD?db2fs5?ALTER STOGROUP med_sg ADD?db2fs5 C. ALTER STOGROUP med_sg DROP '/db2fs4' D. ALTER TABLESPACE ts1 ADD '/db2fs4' REBALANCE /Reference: QUESTION 46 A query against the system catalog revealed that data for a table named SALES in a partitioned database is distributed as follows: What can be done to improve the performance of a query that joins SALES and DATE_DIM tables (where SALES is a fact table and DATE_DIM is a dimension table) using the DATE_ID column? A. Reload table SALES and use only one partition with a collocated join to the DATE_DIM table using the primary key DATE_ID. B. Reload table DATE_DIM and use only one partition with a collocated join to the SALES table using the primary key DATE_ID. C. Create a replicated table REPL_SALES from the SALES table, refresh REPL_SALES table, create index on DATE_ID column in therepl_sales table, and collect statistics on REPL_SALES table. D. Create a replicated table REPL_DATE_DIM from the DATE_DIM table, refresh REPL_DATE_DIM table, create index on DATE_ID column in therepl_date_dim table, and collect statistics on REPL_DATE_DIM table. /Reference: QUESTION 47 Which statement about compression dictionaries is FALSE? A. Page-level dictionaries are stored in hidden rows within the table. B. Table-level dictionaries are stored in hidden rows within the table. C. Page-level dictionaries are automatically created or recreated by the database manager as pages are filled. D. Table-level dictionaries are automatically created or recreated as by the database manager as pages are filled. /Reference:

17 QUESTION 48 Which would not significantly benefit from having the RUNSTATS command run on it? A. Tables that have had little change. B. Tables where a new index has been created. C. Tables that have been reorganized (using REORG). D. Tables that have been populated with a LOAD operation. /Reference: QUESTION 49 Which tool provides the simplest method for monitoring buffer pool hit ratios? A. The BP_HITRATIO administrative view. B. The BP_WRITE_IO administrative view. C. The MON_GET_BUFFERPOOL table function. D. The MON_GET_PAGE_ACCESS_INFO table function. /Reference: QUESTION 50 Which is NOT a valid method for prefetching data? A. Smart data prefetching B. Read-ahead prefetching C. Consecutive prefetching D. Sequential detection prefetching /Reference: QUESTION 51 The following query is executed frequently against the EMPLOYEE table: SELECT empid, salary, bonus FROM employee ORDER BY bonus, salary; Which statement will create an index for optimal query performance? A. CREATE INDEX salary_bonus_idx ON employee (salary, bonus) B. CREATE INDEX bonus_salary_idx ON employee (bonus, salary) C. CREATE INDEX bonus_salary_idx ON employee (bonus, salary) CLUSTER D. CREATE INDEX salary_bonus_idx ON employee (salary, bonus) CLUSTER

18 /Reference: QUESTION 52 Which item is NOT eligible for adaptive compression? A. Indexes B. Base tables C. Temporary tables D. Inline LOB values /Reference: QUESTION 53 Which statement about block indexes is correct? A. Because of their large size, block indexes are extremely efficient. B. Block indexes improve performance when data is not clustered on sequential pages. C. Prefetching of data pages relies on sequential detection when block indexes are used. D. The records for each block are retrieved using a mini-relational scan of saved data pages. /Reference: QUESTION 54 The following query is executed frequently against the SALES table: SELECT sales_id, sales_date, sales_person FROM sales; If data in the SALES_ID column is unique, which statement will create an index for optimal query performance and ensure uniqueness of the SALES_ID column? A. CREATE INDEX sales_idx ON sales (sales_id, sales_date, sales_person) B. CREATE UNIQUE INDEX sales_idx ON sales (sales_id, sales_date, sales_person) C. CREATE INDEX sales_idx ON sales (sales_id) INCLUDE (sales_date, sales_person) D. CREATE UNIQUE INDEX sales_idx ON sales (sales_id) INCLUDE (sales_date, sales_person) /Reference: QUESTION 55 A database named TEST and a storage group named SG_1 were created with these statements:

19 an error was produced.why did the error occur? A. The current default storage group cannot be dropped. B. New storage paths cannot be added to existing storage groups. C. The storage group IBMSTOGROUP cannot be dropped because it is a system-defined storage group. D. The storage group SG_1 was not the current default storage group at the time a new storage path was being added to it. /Reference: QUESTION 56 When defining storage groups for multi-temperature data, storage paths are usually grouped according to their quality of service characteristics. What are three common quality of service characteristics used? A. Frequency of access; acceptable access time; volatility of the data. B. Acceptable access time; redundancy of the data; volatility of the data. C. TIR (table/index data ratio); frequency of access; volatility of the data; D. Frequency of access; redundancy of the data; acceptable access time; /Reference: QUESTION 57 If the following commands complete successfully for a single partition database: CREATE DATABASE mydb; CREATE BUFFERPOOL mybp; Which statement is true? A. Self tuning is enabled for the MYBP buffer pool. B. The initial size for the MYBP buffer pool is zero pages. C. The database has to be restarted before the MYBP buffer pool will become active. D. The page size for the MYBP buffer pool can be changed using the ALTER BUFFERPOOL statement. /Reference: QUESTION 58 You recently added more storage to a table space and a rebalance operation was started automatically. How can you pause the rebalance operation?

20 A. Set the dynamic instance registry variable UTIL_IMPACT_LIM to 0. B. Set the dynamic instance registry variable UTIL_IMPACT_LIM to 100. C. Issue a LIST UTILITIES statement with the 'SUSPEND <utility ID>' option specified. D. Issue an ALTER TABLESPACE statement with the 'REBALANCE SUSPEND' option specified. /Reference: QUESTION 59 The following statement was used to create a table space named TBSP1 in a non-partitioned database: Which statement(s) will successfully lower the high water mark in table space TBSP1 and return unused storage space to the operating system? A. ALTER TABLESPACE tbsp1 REDUCE MAX B. ALTER TABLESPACE tbsp1 LOWER HIGH WATER MARK C. ALTER TABLESPACE tbsp1 LOWER HIGH WATER MARK;ALTER TABLESPACE tbsp1 REDUCE (ALL CONTAINERS 8); D. ALTER TABLESPACE tbsp1 REDUCE (ALL CONTAINERS 8);ALTER TABLESPACE tbsp1 LOWER HIGH WATER MARK; /Reference: QUESTION 60 Which operation can be performed by executing an ALTER STOGROUP statement? A. Change the name of an existing storage group. B. Make an existing storage group the default storage group. C. Reduce the current high water mark of all table spaces that have been assigned to a storage group. D. Specify the average time, in milliseconds, that it takes to read one page of data from the slowest storage path used by a storage group. /Reference: QUESTION 61 Which statement about SMS table spaces is correct? A. The system catalog cannot be stored in an SMS table space.

21 B. Tables, large objects (LOBs), and indexes can each reside in separate SMS table spaces. C. SMS table spaces are recommended when you have small tables that are not likely to grow quickly. D. Extents are more likely to be contiguous with SMS table spaces than they are with DMS table spaces. /Reference: QUESTION 62 Which type of storage is utilized in the implementation of an effective and flexible multi-temperature database? A. System managed storage B. Automatic storage utilizing storage groups C. System managed storage utilizing storage groups D. Database managed storage with file system caching /Reference: QUESTION 63 Which table function can be used to determine whether all of a particular table space data objects have been moved from one storage group towhich table function can be used to determine whether all of a particular table space? data objects have been moved from one storage group to another? A. MON_GET_TABLESPACE B. ADMIN_GET_STOGROUP_INFO C. ADMIN_GET_STORAGE_PATHS D. MON_GET_REBALANCE_STATUS /Reference: QUESTION 64 Which statement about DB2 Merge Backup is FALSE? A. It can be used to merge offline backups to build full offline table space backups. B. It can be used to merge SNAPSHOT and TSM tape backup images to create a full database backup image. C. It can be used merge multiple offline database backups to build a cumulative single offline database backup. D. It can be used to merge backups on a machine that is different from the machine where the backup has been created in stand-alone mode. /Reference:

22 QUESTION 65 What can be done to prevent applications from failing when DB2 cannot create a new log file? A. Set MAX_LOG to 0 B. Set LOGBUFSZ to -1 C. Set LOGSECOND to -1 D. Set BLK_LOG_DSK_FUL to YES /Reference: QUESTION 66 What values can be assigned to the HADR_SYNCMODE configuration parameter? A. SYNC, NEARSYNC, ASYNC, and NOSYNC B. SYNC, NOSYNC, ASYNC, and SUPERASYNC C. SYNC, ASYNC, SEMISYNC, and SUPERASYNC D. SYNC, NEARSYNC, ASYNC, and SUPERASYNC /Reference: QUESTION 67 Which Workload Manager (WLM) objects can the COLLECT ACTIVITY DATA clause be used with? A. Data class, work class, and a limit B. Data class, action class, and a threshold C. Service subclass, action class, and a limit D. Service subclass, work class, and a threshold /Reference: QUESTION 68 With HADR, IBM Tivoli System Automation for Multiplatforms (SA MP) automated failover can be used with which database(s)? A. The primary database only. B. The auxiliary standby database only. C. The principal standby database only. D. The primary, auxiliary standby, and principal standby database.

23 /Reference: QUESTION 69 What is the default user workload class that is created for each database table? A. DEFAULT_USER B. SYSUSERDEFAULTWLM C. SYSDEFAULTUSERWORKLOAD D. SYS_DEFAULT_USER_WORKLOAD /Reference: QUESTION 70 Which configuration parameter is used to designate a storage area for archived log files that are retrieved for recovery purposes? A. logarchopt1 B. failarchpath C. mirrorlogpath D. overflowlogpath /Reference: QUESTION 71 Prior to migrating to DB2 10.1, a DBA executed the following command on a daily basis: db2_all "<<- 1< db2 BACKUP DATABASE sales TO /mnt/backup" Which command can now be used to perform the same backup operation? A. BACKUP DATABASE sales ON DBPARTITIONNUM (1) TO /mnt/backup B. BACKUP DATABASE sales ON ALL DBPARTITIONNUMS TO /mnt/backup C. BACKUP DATABASE sales ON ALL DBPARTITIONNUMS EXCEPT CATPARTITION TO /mnt/backup D. BACKUP DATABASE sales ON ALL DBPARTITIONNUMS EXCEPT DBPARTITIONNUM (1) TO /mnt/ backup /Reference: valid and updated. QUESTION 72 Which diagnostic tool can be used to show high-watermark consumptions of Fast Communication Manager (FCM) buffers and channels? A. db2pd

24 B. inspect C. db2dart D. db2mtrk /Reference: QUESTION 73 You need to restore a table space that was backed up earlier, but before you begin a restore operation you want to determine whether any tables in the table space were populated with a LOAD... NONRECOVERABLE operation. What can be used to provide this information? A. The INSPECT utility B. The db2pd command C. The db2dart command D. The database recovery history file /Reference: QUESTION 74 In what situation should you use a redirected restore operation? A. You want to drop a storage group during a restore process. B. You want to move data from one operating system to another. C. You want to restore you table spaces into new storage groups. D. You want to restore your table space containers into a different physical location. /Reference: QUESTION 75 In which situation would you NOT use a redirected restore? A. To redefine the paths of a defined storage group. B. To move table space containers onto different physical devices. C. To restore a backup image from one operating system to another. D. To restore a backup image to a target machine that is different from the source machine.

25 /Reference: QUESTION 76 After starting a series of LOAD operations it appears that one LOAD is failing. What diagnostic tool would you use to determine which LOAD operation is being problematic? A. db2pd B. db2dart C. db2fodc D. db2ls /Reference: QUESTION 77 If the AUDIT_BUF_SZ configuration parameter is set to zero (0), what will happen? A. The audit facility writes records to disk at the same time the statements generating the audit records are executing. B. Statements generating audit records must wait for the records to be written to disk before they can complete execution. C. The writing of audit records to disk will be delayed until a minimum number of records (based on record size and memory available in the database heap) have been generated. D. There is no limit to how many audit records can be stored in an internal memory buffer for one single statement generating audit records. /Reference: up-to-date. QUESTION 78 Which constraints are used to tell the DB2 Optimizer to consider business rules that are not enforced by the database manager? A. Check constraints B. Default constraints C. Informational constraints D. Referential integrity constraints /Reference: QUESTION 79 Given the following database design:

26 A Explain plan shows that a broadcast join is being used by a query that joins the DATE_DIM dimension table and the SALES fact table. Which action should be performed to improve query performance? A. Create a replicated summary table for the SALES table using the table space TS_REPL. B. Create a replicated summary table for the DATE_DIM table using the table space TS_REPL. C. Create an index on both the DATE_DIM and the SALES table for the column that is used in the collocated join. D. Create a replicated summary table for the SALES table using the table space TS_DIM and create an index on the DATE_DIM table. /Reference: QUESTION 80 Which procedure is used to Explain an SQL statement using information obtained from the package cache or the package cache event monitor? A. EXPLAIN_FROM_DATA B. EXPLAIN_FROM_ACTIVITY C. EXPLAIN_FROM_SECTION D. EXPLAIN_FROM_CATALOG /Reference: QUESTION 81 Which statement about the initiation of parallel I/O is correct? A. For list prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers. B. For read-ahead prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers. C. For sequential prefetching, parallel I/O is initiated when the prefetch size is a multiple of the extent size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers. D. For sequential prefetching, parallel I/O is initiated when the extent size is a multiple of the prefetch size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers. /Reference:

27 QUESTION 82 The following message is frequently seen in the DB2 Diagnostics Log file (db2diag.log): MESSAGE : ADM5502W The escalation of "28581" locks on table "TEST.TABLE1" to lock intent "X" was successful. Which two database configuration parameter settings should be checked? (Choose two.) A. LOCKLIST B. MAXAPPLS C. MAXLOCKS D. MAXAGENTS E. LOCKTIMEOUT C /Reference: answer is corrected. QUESTION 83 Consider the following statement: Which indexes should be created for optimal query performance? A. CREATE INDEX emp_idx ON employee (workdept);create INDEX dept_idx ON department (deptno); B. CREATE INDEX emp_idx ON employee (workdept) CLUSTER;CREATE INDEX dept_idx ON department (deptname, deptno); C. CREATE INDEX emp_idx ON employee (workdept, lastname, job);create INDEX dept_idx ON department (deptname, deptno); D. CREATE INDEX emp_idx ON employee (lastname, job, workdept) CLUSTER;CREATE INDEX dept_idx ON department (deptname); /Reference: QUESTION 84 What will occur when a database administrator adds a new automatic storage path to an existing storage group? A. New table spaces will start consuming storage on the new path. B. Existing table spaces will not consume storage on the new path. C. The storage group will be placed in "Rebalance Pending" mode. D. DB2 will verify that space is available on the storage path specified.

28 /Reference: QUESTION 85 Which monitoring tool can be used to obtain stripe set information for database managed storage table spaces? A. The MON_GET_CONTAINER table function. B. The SNAP_GET_TBSP_PART table function. C. The SNAPTBSP_RANGE administrative view. D. The TS_GET_CONTAINER administrative view. /Reference: QUESTION 86 Which statement about value compression is correct? A. To use value compression, you must have a license for the DB2 Storage Optimization Feature. B. Value compression uses a page-level dictionary-based compression algorithm to compress data based on repetition of values found in a single column. C. Value compression involves removing duplicate entries for a value, only storing one copy, and keeping track of the location of any references to the stored copy. D. When value compression is used, the byte count of compressed NULLs, zeros, and blanks might be larger than that of the uncompressed version of the same values. /Reference: QUESTION 87 Which statement about compression dictionaries is FALSE? A. Page-level dictionaries are stored in hidden rows within the table. B. Table-level dictionaries are stored in hidden rows within the table. C. Page-level dictionaries are automatically created or recreated by the database manager as pages are filled. D. Table-level dictionaries are automatically created or recreated as by the database manager as pages are filled. /Reference: QUESTION 88 What advantage do block-based buffer pools offer compared to regular buffer pools? A. They improve the performance of sequential prefetching by reading contiguous pages from disk and writing them into contiguous pages in a buffer pool. B. They improve the performance of random I/O by reading non-contiguous pages from disk and writing

29 them into near-contiguous free space in a buffer pool. C. They improve the performance of vectored reads by retrieving non-contiguous pages from disk, combining them into extent-sized blocks, and writing the blocks into contiguous pages in a buffer pool. D. They improve the performance of scattered writes by retrieving non-contiguous pages from a buffer pool, combining them into extent-sized blocks, and writing the blocks into contiguous pages on disk. /Reference: QUESTION 89 The following query is executed frequently against the SALES table: SELECT sales_person, region FROM sales WHERE region = 'Quebec' Which statement will create an index for optimal query performance? A. CREATE INDEX sales_idx ON sales (region) B. CREATE INDEX sales_idx ON sales (sales_person) C. CREATE INDEX sales_idx ON sales (region, sales_person) D. CREATE INDEX sales_idx ON sales (region) INCLUDE (sales_person) /Reference: QUESTION 90 Which monitoring tool can be used to find out how many data pages have been read from the table space containers for regular, large, and temporary table spaces? A. The MON_DB_SUMMARY administrative view. B. The MON_BP_UTILIZATION administrative view. C. The MON_GET_ACTIVITY_DETAILS table function. D. The MON_GET_EXTENT_MOVEMENT_STATUS table function. /Reference: QUESTION 91 What is the FAILARCHPATH database configuration parameter used for? A. To specify a path that DB2 will use to look for archive log files that are needed for a rollforward recovery operation. B. To specify a path to which DB2 will attempt to store a copy of archive log files to protect against accidental deletion. C. To specify a path to which DB2 will attempt to store a copy of both active and archive log files to protect

30 against disk failure and power outages. D. To specify a path to which DB2 will attempt to store archive log files if they cannot be written to the primary or secondary archive destination because of a media problem. /Reference: QUESTION 92 An auxiliary HADR standby database must use which HADR sync mode? A. SYNC B. ASYNC C. NEARSYNC D. SUPERASYNC /Reference: QUESTION 93 What is the recommended method for removing old backup images and log files for a DB database? A. Manually delete old backups and logs. B. Utilize the PRUNE LOGFILE PRIOR TO command to remove old backups and logs. C. Utilize the PRUNE HISTORY AND DELETE command to remove old backups and logs. D. Set the DB2PRUNE_ACTION_LOG configuration parameter to a desired date before generating a new backup. /Reference: answer is valid. QUESTION 94 Which diagnostic tool can be used to collect metrics on individual SQL statement executions? A. db2dart B. A snapshot monitor C. A statement event monitor D. The MON_GET_UNIT_OF_WORK_DETAILS table function /Reference: QUESTION 95 Which statement about DB2 Merge Backup is FALSE?

31 A. It can be used to merge offline backups to build full offline table space backups. B. It can be used to merge SNAPSHOT and TSM tape backup images to create a full database backup image. C. It can be used merge multiple offline database backups to build a cumulative single offline database backup. D. It can be used to merge backups on a machine that is different from the machine where the backup has been created in stand-alone mode. /Reference: QUESTION 96 What two types of information can be obtained with the MON_GET_TABLESPACE monitor table function? (Choose two.) A. Table space available space B. Table space read and write activity C. Table space container assignments D. Table level activity within a table space E. Table space backup and recovery information B /Reference: QUESTION 97 Which Workload Manager (WLM) objects can the COLLECT ACTIVITY DATA clause be used with? A. Data class, work class, and a limit B. Data class, action class, and a threshold C. Service subclass, action class, and a limit D. Service subclass, work class, and a threshold /Reference: answer is valid. QUESTION 98 Where is the HADR_TARGET_LIST configuration parameter set? A. On the primary database only. B. On all participating databases. C. On the tertiary standby databases. D. On the auxiliary standby databases only.

32 /Reference: QUESTION 99 What is the default user workload class that is created for each database table? A. DEFAULT_USER B. SYSUSERDEFAULTWLM C. SYSDEFAULTUSERWORKLOAD D. SYS_DEFAULT_USER_WORKLOAD /Reference: QUESTION 100 Which statement about dropped table recovery is correct? A. Multiple dropped tables can be recovered with a single table space-level restore operation. B. By default, the DROPPED TABLE RECOVERY option is off when a new table space is created. C. The dropped table recovery feature lets you recover only dropped table data with a database-level restore operation. D. For a dropped table to be recoverable, the table space in which the table resides must have the DROPPED TABLE RECOVERY option turned on. /Reference: QUESTION 101 In which situation would you NOT use a redirected restore? A. To redefine the paths of a defined storage group. B. To move table space containers onto different physical devices. C. To restore a backup image from one operating system to another. D. To restore a backup image to a target machine that is different from the source machine. /Reference: QUESTION 102 A table space creation operation was unsuccessful because DB2 failed to allocate a container in a path. Which diagnostic tool can be used to help resolve the problem? A. db2dart B. db2diag C. db2caem D. db2fmcu

33 /Reference: QUESTION 103 What must you do before an online table space backup operation can be performed? A. Create a full database backup image. B. Create one or more tables in the table space. C. Create an incremental backup image of the table space. D. Set the DB2_ENABLE_ONLINEBKUP registry variable to ON. /Reference: : QUESTION 104 Which category must be enabled before db2audit will record the creation of new buffer pools? A. OBJMAINT B. SECMAINT C. CHECKING D. OBJCREATE /Reference: modified. QUESTION 105 What event category is used with the db2audit command to capture SQL data, such as host variable and parameter marker values, that are associated with an SQL statement? A. AUDIT B. VALIDATE C. EXECUTE D. CONTEXT /Reference: QUESTION 106 A database administrator created all of the necessary federated objects for an SQL Server data source in a federated system. Which steps must be performed if the data types of several columns in the SQL Server data source are changed? A. Drop the current data type mapping.create the new data type mapping. B. Drop the nickname to the table.create the new data type mapping.recreate the nickname to the table.

34 C. Drop the current data type mapping.create the new data type mapping.drop the nickname to the table.recreate the nickname to the table. D. Drop the current user mapping.drop the current data type mapping.create the new user mapping.create the new data type mapping.recreate the nickname to the table. /Reference: QUESTION 107 To configure instance-level auditing with db2audit, which authority is required? A. SYSADM B. SYSCTRL C. SECADM D. SYSMAINT /Reference: QUESTION 108 What are two supported methods for providing a low latency, high speed interconnect between DB2 members and the cluster caching facility (CF) in a DB2 purescale environment? (Choose two.) A. InfiniBand with RDMA (IB) B. SCSI RDMA Protocol (SRP) C. iscsi Extensions for RDMA (iser) D. RDMA over Converged Ethernet (RoCE) E. Internet Wide Area RDMA Protocol (iwarp) D /Reference: