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

1. Which conditions must be met to implement HADR?

A) Operating systems on primary and standby servers must be the same; DB2 versions need not be the same; and the databases must have the same bit-size (32 or 64 bit).
B) Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases must have the same bit-size (32 or 64 bit).
C) Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).
D) Operating systems on primary and standby servers need not be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).

2. Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?

A) DB2_PARALLEL_IO=7:64
B) DB2_PARALLEL_IO=7:32
C) DB2_PARALLEL_IO=7:16
D) DB2_PARALLEL_IO=7:7

3. Which command will prevent prefetching during crash recovery?

A) db2set DB2_AVOID_PREFETCH=ON
B) db2set DB2_RECOVERY_PREFETCHING=NO
C) db2set DB2_RECOVERY_PREFETCHING=YES
D) db2set DB2_AVOID_PREFETCH=OFF

4. Given the following table definition in a multi-partitioned database:

Which column(s) will be chosen by DB2 as a distribution key (partitioning key)?

A) SS_ID, EMP_ID, and NAME
B) EMP_ID
C) SS_ID
D) NAME

5. The RECOVER command is used in an attempt to fix a damaged table space. What will the system do during the RECOVER process?

A) Create a new temporary table space if the damaged table space is a temporary table space.
B) Prompt the user for new container definitions for damaged or missing containers.
C) Restore the database and bypass inaccessible containers and make the rest of the table space available.
D) Restore the database and attempt to make as much of the database available as possible.

Solutions: