IBM C IBM DB2 11 DBA for z/os. Download Full Version :

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1 IBM C IBM DB2 11 DBA for z/os Download Full Version :

2 Answer: C, E QUESTION: 58 You want to convert a segmented table space into a partition-by-growth table space. You execute the following ALTER statement: ALTER TABLESPACE DB1TS1 MAXPARTITIONS 5; What should be your next step? A. COPY the table space. B. REORG the table space. C. REBUILD all of the indexes. D. DROP the segmented table space. Answer: D QUESTION: 59 Which statement is true regarding table-controlled partitioned table spaces without a MAXVALUE specified? A. If the partitioning key is ascending, DB2 prevents the INSERT of a row with a null value for the key column. B. If the partitioning key is descending, DB2 prevents the INSERT of a row with a null value for the key column. C. If the partitioning key is ascending, DB2 allows the INSERT of a row with a null value for the key column. The row is inserted into the first partition. D. If the partitioning key is descending, DB2 allows the INSERT of a row with a null value for the key column. The row is inserted into the last partition. Answer: C QUESTION: 60 Which statement is true? A. Unicode and EBCDIC have a different collating sequence. B. The collating sequence for ASCII and EBCDIC is identical. C. The collating sequence for Unicode and EBCDIC is identical. D. If you use BETWEEN in your SQL statement, the collating sequence does not matter for the predicate evaluation. 18

3 Answer: A Reference: 01.ibm.com/support/knowledgecenter/SS4LQ8_3.1.0/com.ibm.datatools.aqt3.doc/gui/conc epts/c_idaa_inconsistencies.html(first bulleted point on the page) QUESTION: 61 You must be able to process recoveries for DB2 objects to any point in time between now and two weeks ago. What is the recommended amount of recovery data needed? A. One set of SHRLEVEL(CHANGE) full image copies every two weeks that are kept for at least two weeks. B. One set of SHRLEVEL(CHANGE) full image copy at least every week that are kept for at least three weeks as well as the active/archive logs during that time. C. One set of SHRLEVEL(CHANGE) full images copies at least every week that are kept for at least two weeks as well as the active/archive logs during that time. D. One set of SHRLEVEL(CHANGE) full images copies during week#1 and one set of SHRLEVEL(REFERENCE) incremental images copies during week #2, all are kept for at least two weeks. Answer: D Reference: 0%20at%20KBC.pdf(page 10) QUESTION: 62 Which type ofstored procedures do NOT require a WLM-managed stored procedure address space? A. External stored procedures. B. Native SQL stored procedure. C. External SQL stored procedures. D. DB2 supplied stored procedures. Answer: B QUESTION: 63 When we use multilevel-security using a security label column, which sentence is true? A. A unique constraint is allowed on a security label column. 19

4 B. A check constraint is not allowed on a security label column. C. A referential constraint is not allowed on a security label column. D. Multilevel security with row-level checking is enforced when DB2 checks a referential constraint. Answer: C QUESTION: 64 Arrays are based on a built-in data type. On which built-in data type can an array NOT be based? A. XML B. CLOB C. DBCLOB D. VARBINARY Answer: A QUESTION: 65 Index versions are created when certain schema changes are committed. Which schema change results in a new index version being created? A. Issue the ALTER INDEX REGENERATE statement. B. Use the ALTER INDEX statement to add a column to an index that was built with DEFINE NO. C. Add a new column to both a table and an index in the same commit operation when the table is in a partition-by-growth table space and the index is built with DEFINE YES. D. When you extend the length of a varying-length character (VARCHAR data type) or varying-length graphic (VARGRAPHIC data type) column that is contained in one or more indexes that are defined with the NOT PADDED option. Answer: B QUESTION: 66 Which statement is true if a table space is created using the "FOR UPDATE nn" (where nn is a number) clause? A. The first nn UPDATE operation(s) will use an indirect reference. B. Only the first nn UPDATE operation(s) on the table will be processed. C. nn% space is reserved per page for future UPDATE operations to reduce indirect reference. 20

5 D. nn row locations per page are kept for future UPDATE operations to reduce indirect reference. Answer: A QUESTION: 67 The data of a critical table space seems inconsistent. It is suspected that someone has accidentally issued a DB2 command to start the object with MODE(FORCE). Where can this be verified? A. In the DSN1PRNT job output of the header page. B. In the DB2 MSTR address space joblog as all DB2 commands are shown there. C. In the DB2 recovery log as all DB2 commands are written to the DB2 recovery log. D. In the z/os system log (SYSLOG), as all commands including DB2 commands are written to the z/os system log. Answer: B 21

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