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IBM C2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Performance Tuning & Optimization | 25% | - Query optimization and access plans - Sorting and memory tuning - Index design and maintenance - Monitoring tools and advisors |
| Security & Compliance | 15% | - Privilege management - Authentication and authorization - Auditing and encryption |
| Migration, Maintenance & Troubleshooting | 15% | - Problem determination and error resolution - Upgrading to DB2 9.7 - Data movement and repartitioning |
| Backup, Recovery & High Availability | 25% | - HADR and high availability solutions - Backup strategies and utilities - Restore and rollforward recovery - Log management and archiving |
| Database Architecture & Configuration | 20% | - Partitioned database environment - Instance and database configuration - Storage management and table spaces - Memory management and STMM |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
Which statement about compression and temporary tables is NOT correct?
- A. The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.
- B. The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.
- C. Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
- D. When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.
Correct Answer: C 🗳️
If the shared sort heap threshold parameter SHEAPTHRES_SHR is set to AUTOMATIC, what will happen?
- A. The shared sort memory allocation will be controlled by DB2.
- B. All sorts will be done in a temporary table space.
- C. All sorts will be done in shared memory.
- D. No shared memory is allocated for sorting.
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. SORTHEAP AUTOMATIC, SHEAPTHRES 0
- B. SORTHEAPTHRES 10000K, SORTHEAP 250K
- C. SORTHEAPTHRES 10000K
- D. SORTHEAP AUTOMATIC, SHEAPTHRES 10000K
Correct Answer: A 🗳️
In which two environments would intra-partition parallelism be used? (Choose two.)
- A. Single database partition, single processor core
- B. Single database partition, multiple processor cores
- C. Multiple database partitions, multiple processor cores
- D. Multiple database partitions, single processor core
Correct Answer: B,C 🗳️
In order for HADR to start, which statement is true when setting the HADR_TIMEOUT database configuration value?
- A. The HADR_TIMEOUT value must be identical on both the primary and the standby server.
- B. If the HADR_TIMEOUT value is set to -1, connection timeouts will not occur.
- C. If the HADR_TIMEOUT value is different between the two servers, the lowest value is used.
- D. Changes to the HADR_TIMEOUT value will take effect immediately.
Correct Answer: A 🗳️
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