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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Backup and Recovery | - Online and offline backups - Point-in-time recovery - Log management and rollforward recovery |
| Topic 2: Database Performance Tuning | - Index design and maintenance - Memory tuning (buffer pools, sort heap, lock list) - Query optimization and explain plans |
| Topic 3: High Availability and Disaster Recovery | - Failover and recovery strategies - HADR configuration and monitoring |
| Topic 4: Database Architecture and Configuration | - Configuration parameters and environment setup - DB2 architecture components (instances, databases, bufferpools) |
| Topic 5: Security and Authorization | - Authentication and authorization models - Roles, privileges, and access control |
| Topic 6: Database Monitoring and Troubleshooting | - Locking issues and deadlock resolution - Event monitoring and snapshot analysis |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. What is required to successfully use the check backup utility (db2ckbkp)?
A) read permission on the backup image
B) read permission on the database
C) system administrator authority
D) system maintenance authority
2. 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
3. Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1, C2, C3 and C4 together, which statement(s) will create index(es) that will provide optimal query performance?
A) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3, c4);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c4, c3, c2, c1);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
4. Which statement is true about clustering indexes in a partitioned database?
A) The clustering index column(s) should be suffixed by the partitioning key column(s).
B) The clustering index column(s) should be prefixed by the partitioning key column(s).
C) The partitioning key column(s) should be added immediately after the column in the clustering index with the highest cardinality.
D) The partitioning key column(s) should be added to the clustering index with the INCLUDE option.
5. A DBA wants to migrate a DB2 LUW 8.2.2 database to version 9.7 and plans to use currently committed (CC) semantics on an application-by-application basis. Which process will yield the desired results?
A) Set the DB2_USE_CC_SEMANTICS registry variable to APPLICATION, then migrate the database.
B) Migrate the database, then assign the value AVAILABLE to the CURR_COMMIT configuration parameter.
C) Migrate the database, then assign the value ON to the CURR_COMMIT configuration parameter.
D) Set the DB2_USE_CC_SEMANTICS registry variable to YES, then migrate the database.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |




