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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Monitoring and Tuning | - Buffer pools and memory management - Index, table and query optimization |
| DB2 9.7 Advanced DBA Architecture and Configuration | - Advanced DB2 9.7 features and enhancements - Instance and database configuration parameters |
| Advanced DBA Tools and Utilities | - Partitioning and database distribution - DB2 utilities and commands |
| Backup, Recovery and High Availability | - Backup and restore techniques - High availability disaster recovery (HADR) |
| Security and Authorization Management | - Role and authority controls - Authentication and privilege management |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
While attempting to establish connectivity between a Windows client and a UNIX server, the following commands were issued from the Windows client:
CATALOG TCPIP NODE node001 REMOTE hostnm01 SERVER 50000;
CATALOG DATABASE samp001 AS samp001 AT NODE node001;
TERMINATE;
When trying to connect to the SAMP001 database the following error was received: SQL30061N The database alias or database name name was not found at the remote node.
The database name is not an existing database at the remote database node. The statement cannot be processed. What should be done resolve the problem?
- A. Add a Database Connection Services entry to the /etc/services file on the Windows client.
- B. Match the port number in the CATALOG TCPIP NODE command with the port number in the /etc/services file on the remote server.
- C. Change the service name (SVCENAME) in the remote servers database configuration.
- D. Add an entry into the Database Connection Services directory on the Windows client.
Correct Answer: C 🗳️
Which command will back up a database named SAMPLE to a TSM server using two concurrent TSM client sessions?
- A. BACKUP DATABASE sample USE TSM OPEN 2 SERVERS WITH 4 BUFFERS
- B. BACKUP DATABASE sample USE TSM OPEN 4 SERVERS WITH 2 BUFFERS
- C. BACKUP DATABASE sample USE TSM OPEN 2 SESSIONS WITH 4 BUFFERS
- D. BACKUP DATABASE sample USE TSM OPEN 4 SESSIONS WITH 2 BUFFERS
Correct Answer: C 🗳️
What is a method for enabling non-buffered I/O at the table space level in a DB2 database?
- A. Use the NO FILE SYSTEM CACHING clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
- B. Set the DB2_DIRECT_IO configuration parameter to YES.
- C. Set the DB2_FILESYSTEM_CACHE configuration parameter to YES.
- D. Use the USE DIRECT IO clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
Correct Answer: A 🗳️
Given INTRA_PARALLEL is OFF, average row length is 900 bytes, and temporary table cardinality is 1000, which setting would prevent a SORTHEAP overflow when the temporary table is sorted?
- A. SORTHEAPTHRES 10000K
- B. SORTHEAPTHRES 10000K, SORTHEAP 250K
- C. SORTHEAP AUTOMATIC, SHEAPTHRES 10000K
- D. SORTHEAP AUTOMATIC, SHEAPTHRES 0
Correct Answer: D 🗳️
A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?
- A. The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.
- B. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
- C. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
- D. The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
Correct Answer: D 🗳️
