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IBM C2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Backup, Recovery and High Availability | - Backup and restore techniques - High availability disaster recovery (HADR) |
| Topic 2: Security and Authorization Management | - Authentication and privilege management - Role and authority controls |
| Topic 3: DB2 9.7 Advanced DBA Architecture and Configuration | - Instance and database configuration parameters - Advanced DB2 9.7 features and enhancements |
| Topic 4: Performance Monitoring and Tuning | - Buffer pools and memory management - Index, table and query optimization |
| Topic 5: Advanced DBA Tools and Utilities | - DB2 utilities and commands - Partitioning and database distribution |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
A journaling application inserts data with continually increasing sequential keys while a clean up process randomly deletes erroneous rows. What can be done to maximize insert performance?
- A. Issue a db2set DB2SKIPDELETED=ON command.
- B. Issue a db2set DB2MAXFSCRSEARCH=1024 command.
- C. Issue an ALTER TABLE APPEND ON statement.
- D. Issue an ALTER TABLESPACE EXTEND statement.
If the shared sort heap threshold parameter SHEAPTHRES_SHR is set to AUTOMATIC, what will happen?
- A. All sorts will be done in a temporary table space.
- B. The shared sort memory allocation will be controlled by DB2.
- C. All sorts will be done in shared memory.
- D. No shared memory is allocated for sorting.
Which registry variable allows you to limit the size of individual containers for automatic storage table spaces?
- A. DB2_LIMIT_AS_CONTAINER_BLOCKS
- B. DB2_TRUNCATE_AS_STORAGE
- C. DB2_SET_MAX_CONTAINER_SIZE
- D. DB2_ALLOCATION_SIZE
What are two authorities and/or privileges required for replaying SQL audit logs? (Choose two.)
- A. SYSADM authority
- B. SECADM authority
- C. DBADM authority
- D. EXECUTE privilege on audit routines with DATA
- E. EXECUTE privilege on audit routines with NO DATA
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=7:7
- B. DB2_PARALLEL_IO=7:64
- C. DB2_PARALLEL_IO=7:32
- D. DB2_PARALLEL_IO=7:16
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