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IBM C2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Monitoring | - Monitoring tools and metrics - Performance tuning techniques |
| Database Configuration and Management | - Database maintenance activities - Instance setup and configuration parameters |
| Security and Authorization | - Role and security administration - Authentication and privileges |
| DB2 9.7 Advanced DBA Architecture and Features | - Advanced architectural components - DB2 9.7 enhancements overview |
| Backup, Recovery and High Availability | - High availability disaster recovery concepts - Backup and restore strategies |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
Which two operators would indicate inter-partition parallelism in an Optimizer Plan? (Choose two.)
- A. HSJOIN
- B. DTQ
- C. LTQ
- D. IP
- E. BTQ
Correct Answer: B,E 🗳️
A DBA migrating an existing database to DB2 9.7 wants to allow the primary and secondary recovery logs to be used with non-buffered IO. Which statement is true?
- A. The DB2_LOGGER_BUFFERED registry variable must be set to OFF.
- B. The DB2_LOGGER_NON_BUFFERED_IO registry variable must be set to AUTO.
- C. The DB2_LOGGER_AUTO_BUFFERED registry variable must be set to YES.
- D. This behavior is automatically enabled by default.
Correct Answer: D 🗳️
Which statement is correct about statistical views?
- A. A statistical view holds information about the system catalog statistical tables.
- B. A statistical view provides the optimizer with additional correlation statistics.
- C. A statistical view is created by executing runstats on a regular view.
- D. A statistical view provides the optimizer with more accurate cardinality estimates.
Correct Answer: D 🗳️
What are the steps required to remove July 2005 data from a partitioned table and replace with it with July 2010 data?
- A. 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Reorg the partitioned table
- B. 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Update statistics on the partitioned table
- C. 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Rebind the partitioned table
- D. 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Check constraint integrity for the partitioned table
Correct Answer: D 🗳️
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=7:7
- C. DB2_PARALLEL_IO=7:16
- D. DB2_PARALLEL_IO=7:32
Correct Answer: B 🗳️
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