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IBM A2090-544 Exam Syllabus Topics:

IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

1. What is a method for enabling non-buffered I/O at the table space level in a DB2 database?

A) Set the DB2_DIRECT_IO configuration parameter to YES.
B) Use the USE DIRECT IO clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
C) Use the NO FILE SYSTEM CACHING clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
D) Set the DB2_FILESYSTEM_CACHE configuration parameter to YES.

2. At which two levels can events be audited? (Choose two.)

A) Operating System level
B) Server level
C) Instance level
D) Database level
E) Node level

3. If LOGSECOND=-1 then which of the following statements is true?

A) You still use LOGPRIMARY and LOGFILSIZ configuration parameters to specify how many log files the database manager should keep in the active log path.
B) You must configure the OVERFLOWLOGPATH configuration parameter if your active log path is not on a raw device.
C) An infinite number of overflow log files will be used with archival logging.
D) The database will reserve active log space for transactions that may need to roll back and write log records.

4. A DBA has established connectivity to a DB2 for z/OS database and is exploiting a System z sysplex for load balancing and fault-tolerance. Which series of statements and commands can be issued to ensure that agents remain allocated to help maintain the sysplex server list?

A) UPDATE DBM CFG USING NUM_INITAGENTS 0;
db2stop;
db2start;
B) UPDATE DBM CFG USING NUM_INITAGENTS 200;
db2stop;
db2start;
C) UPDATE DBM CFG USING NUM_POOLAGENTS 0;
db2stop;
db2start;
D) UPDATE DBM CFG USING NUM_POOLAGENTS 200;
db2stop;
db2start;

5. Which factor should influence your selection of distribution key(s)?

A) The distribution key(s) should include the most frequently accessed XML column(s).
B) The distribution key(s) should include column(s) with the smallest number of distinct values.
C) The distribution key(s) should include the longest column(s).
D) The distribution key(s) should include the most frequently joined column(s).

Solutions: