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IBM Certified Database Administrator - IBM IMS Sample Questions:

1. How is DB2 installed on the server?

A) DB2 can be installed using the DB2 installation wizard.
B) DB2 can only be purchased pre-installed on an IBM server. There is no need to ever installDB2.
C) DB2 must be installed on RAM drive on the server to speed up performance of the database.
D) DB2 can only be installed from a command prompt using command-line entries.

2. Which utility must be used to recreate the primary index for a PHIDAM database?

A) Index/ILDS Rebuild
B) HISAM Reload
C) Prefix Resolution
D) Recovery

3. What is a buffer pool in DB2?

A) A buffer pool is a pool of connection buffers that increases performance of applications connecting to the DB2 server.
B) A buffer pool is a DB2 component that manages connections to databases.
C) A buffer pool is a logical storage grouping composed of one or more containers.
D) A buffer pool is an area of main memory that has been allocated by the database manager for the purpose of caching table and index data asit is read from the physical media.

4. Which one of the following statements is FALSE about DB2 Workload Management (WLM)?

A) DB2 Workload Management dispatcher can be used to control sharing of memory resources among active workloads.
B) DB2 Workload Management uses workloads to identify incoming work based on the connection attributes under which the work is submitted.
C) DB2 Workload Management allows dynamic re-prioritization of work by remapping a workload to a different service class.
D) When a WLM threshold condition is violated an action is executed in order to maintain stability in the system.

5. Which of the following options does NOT describe a benefit of DB2's Row Compression?

A) Compression allows you to cache more data in the buffer pools using the same amount of space.
B) Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
C) Compression allows you to store the same amount of data in less space, which can significantly save storage costs.
D) Compression allows you to reduce CPU workload because there is less data to process.

Solutions:

Question # 1 Answer: A

Question # 2 Answer: A

Question # 3 Answer: D

Question # 4 Answer: A

Question # 5 Answer: D