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

1. 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=7:16
C) DB2_PARALLEL_IO=7:32
D) DB2_PARALLEL_IO=7:7

2. Which database configuration parameters can be used to limit the amount of memory allocated for the LOAD utility?

A) LOAD_HEAP_SZ and STAT_HEAP_SZ
B) LOAD_HEAP_SZ and DATABASE_MEMORY
C) UTIL_HEAP_SZ and DATABASE_MEMORY
D) UTIL_HEAP_SZ and STAT_HEAP_SZ

3. A database and a table space were created using the following commands:

Afterwards, two tables were created in table space TBSP1 and both tables were populated with 100,000 rows. If a DBA decides that database MYDB should use automatic storage, which command(s) are needed to convert both the database and table space TBSP1?

A) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
B) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
C) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
D) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?

4. Which type of table queue is used to pass data between database partitions when rows are being fetched?

A) non-merging table queue
B) listener table queue
C) synchronous table queue
D) asynchronous table queue

5. A database called PRODDB has a weekly full backup taken on Saturday, non-cumulative (delta) backups taken daily, and a midweek cumulative backup that is taken on Wednesday. A database crash occurs on a Saturday prior to the full backup being taken.
What is the fastest way to restore the database?

A) RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
B) RESTORE DB proddb TAKEN AT (Friday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Saturday);
C) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Monday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Tuesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Wednesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Thursday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
D) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);

Solutions: