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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. How can a DBA validate that an existing backup was compressed?

A) Check the value of the DB2_COMPRESS_BACKUP registry variable.
B) Check the output from the command LIST HISTORY BACKUP ALL FOR the database.
C) Check the header information of the backup file using db2ckbkp.
D) Check the value of the COMPRESS_BACKUP database configuration setting.

2. Given a newly created database and sufficient memory. If the following statements are successful: CREATE BUFFERPOOL bp1 SIZE 40MB; CREATE BUFFERPOOL bp2 PAGESIZE 16K SIZE 40000; How much memory will be allocated for buffer pools BP1 and BP2?

A) 665MB
B) 680MB
C) 40MB
D) 80MB

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

4. Which description is correct when discussing the DB2_MEM_TUNING_RANGE registry variable?

A) It is recommended to set this variable only when using STMM, when DATABASE_MEMORY is set to AUTOMATIC, and if insufficient system memory problems are occurring.
B) It is recommended that this variable be enabled at all times in order to prevent DB2 from taking too much physical memory.
C) It is recommended that this variable be used to set the maximum percentage of memory that DB2 can use on the system.
D) It is recommended to set this variable only when the Self-Tuning Memory Manager (STMM) is disabled.

5. Which command would be used to obtain the name of the first active log file for a database with log retain enabled?

A) LIST INDOUBT TRANSACTIONS
B) GET DATABASE CONFIGURATION
C) LIST LOGFILES
D) GET CURRENT ACTIVE LOGFILE

Solutions: