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IBM Certified System Programmer - IBM IMS Sample Questions:

1. The group buffer pool structures, GBP0, GBP1, and GPB2 reside in CF1 for a data sharing group DG0P. The LOCK and the LIST structures reside in CF2. AUTOREC is set to YES. The group buffer pools are not duplexed. CF1 fails due to a microcode problem and noneof the GBPs are available. Which statement is true?

A) DB2 initiates automatic GRECP recovery, after it has been restarted.
B) DB2 is able to continue without the GBPs.
C) DB2 automatically rebuilds the GBPs based on information kept in the local buffer pools.
D) DB2 automatically recovers since AUTOREC is set to YES.

2. The DISPLAY DATABASE command is issued and you see that there are several objects in GRECP status. What should you do to correct the problem?

A) Run the MODIFY utility against the objects with GRECP to correct the status.
B) Issue a START DATABASE command specifying the objects with GRECP status.
C) Set the DSNZPARM AUTOREC to YES and DB2 will automatically correct the status.
D) Run the REPAIR utility against the objects with GRECP status to change the status.

3. Which two statements are correct in DB2 9? (Choose two.)

A) WORKFILE database is used for processing SQL with materializing views, triggers, nested table expressions.
B) WORKFILE database is used for storing DB2 global temporary tables.
C) In a data sharing environment, all data sharing members use a single WORKFILE database.
D) WORKFILE database supports 4 KB, 8 KB, 12 KB or 32 KB page sizes.
E) TEMP database is used for storing external (user-defined) declared global temporary tables.

4. A non-data sharing DB2 subsystem is heavily using CPU resources. Which system parameter change would have a positive effect on the CPU usage?

A) Increase the IRLM timeout value from 15 to 60 seconds.
B) Change EDBMFIT=YES to EDMBFIT = NO.
C) Change MINSTOR=NO to MINSTOR=YES.
D) Change IMMEDWRITE=YES to IMMEDWRITE=NO.

5. After migrating to DB2 9 for z/OS NFM you recognize that you need additional work file database page sets. Which statement is correct?

A) Work file database must be stopped in order to add page sets to it using either DSNTWFG exec or CREATE TABLESPACE.
B) You can use either DSNTWFG exec or CREATE TABLESPACE to add additional page sets to the work file database.
C) Work file database page sets are always user-controlled, that is the associated VSAM clusters must be created prior to the actual creation.
D) You must use REXX exec DSNTWFG.

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