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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Advanced Database Administration | - Database partitioning and parallelism - High availability and disaster recovery (HADR) - Advanced storage and tablespace configuration - Diagnostic and problem determination - Advanced performance monitoring and tuning - Backup, recovery, and utility tools - Security and authority management - Database architecture and instance management |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
Given a database with Self-Tuning Memory Manager (STMM) enabled, what will DB2 do when a new buffer pool is created using the IMMEDIATE option?
- A. Attempt to create the buffer pool and immediately allocate the memory requested from available database shared memory. If the memory available is not sufficient, then allocation of the buffer pool will be deferred until the database is stopped and restarted.
- B. Attempt to create the buffer pool and immediately request additional instance level memory. If the instance level memory is not available, then creation of the buffer pool is deferred until the database is stopped and restarted.
- C. Attempt to create the buffer pool and immediately request additional memory from the operating system to allocate. If the operating system memory is not available, the buffer pool will not be created.
- D. Attempt to create the buffer pool and immediately allocate the memory requested, resizing the existing buffer pools and heaps as required. If there is insufficient memory in the global memory allocation for DB2, the buffer pool will not be created.
Correct Answer: A 🗳️
The RECOVER command is used in an attempt to fix a damaged table space. What will the system do during the RECOVER process?
- A. Create a new temporary table space if the damaged table space is a temporary table space.
- B. Restore the database and bypass inaccessible containers and make the rest of the table space available.
- C. Prompt the user for new container definitions for damaged or missing containers.
- D. Restore the database and attempt to make as much of the database available as possible.
Correct Answer: D 🗳️
How can a DBA validate that an existing backup was compressed?
- A. Check the header information of the backup file using db2ckbkp.
- B. Check the value of the COMPRESS_BACKUP database configuration setting.
- C. Check the value of the DB2_COMPRESS_BACKUP registry variable.
- D. Check the output from the command LIST HISTORY BACKUP ALL FOR the database.
Correct Answer: A 🗳️
Which command would be used to obtain the name of the first active log file for a database with log retain enabled?
- A. GET CURRENT ACTIVE LOGFILE
- B. LIST LOGFILES
- C. LIST INDOUBT TRANSACTIONS
- D. GET DATABASE CONFIGURATION
Correct Answer: D 🗳️
Given a SHEAPTHRES value of 2560, in which two cases will a SHEAPTHRES_SHR value of 1024 be meaningful? (Choose two.)
- A. MAX_AGENTS 100, MAX_CONNECTIONS 2000
- B. MAX_CONNECTIONS 500, MAX_COORDAGENTS 1000
- C. INTRA_PARALLEL YES
- D. INTRA_PARALLEL NO
- E. MAX_CONNECTIONS 2000, MAX_COORDAGENTS 100
Correct Answer: C,E 🗳️
