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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Authorization | - Authentication and authorization models - Roles, privileges, and access control |
| Topic 2: Database Architecture and Configuration | - DB2 architecture components (instances, databases, bufferpools) - Configuration parameters and environment setup |
| Topic 3: Backup and Recovery | - Log management and rollforward recovery - Online and offline backups - Point-in-time recovery |
| Topic 4: High Availability and Disaster Recovery | - Failover and recovery strategies - HADR configuration and monitoring |
| Topic 5: Database Monitoring and Troubleshooting | - Event monitoring and snapshot analysis - Locking issues and deadlock resolution |
| Topic 6: Database Performance Tuning | - Query optimization and explain plans - Memory tuning (buffer pools, sort heap, lock list) - Index design and maintenance |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
Question 1
If LOGSECOND=-1 then which of the following statements is true?
A. The database will reserve active log space for transactions that may need to roll back and write log records.
B. An infinite number of overflow log files will be used with archival logging.
C. You still use LOGPRIMARY and LOGFILSIZ configuration parameters to specify how many log files the database manager should keep in the active log path.
D. You must configure the OVERFLOWLOGPATH configuration parameter if your active log path is not on a raw device.
Question 2
A DBA has established connectivity to a DB2 for z/OS database and is exploiting a System z sysplex for load balancing and fault-tolerance. Which series of statements and commands can be issued to ensure that agents remain allocated to help maintain the sysplex server list?
A. UPDATE DBM CFG USING NUM_POOLAGENTS 0;
db2stop;
db2start;
B. UPDATE DBM CFG USING NUM_INITAGENTS 0;
db2stop;
db2start;
C. UPDATE DBM CFG USING NUM_POOLAGENTS 200;
db2stop;
db2start;
D. UPDATE DBM CFG USING NUM_INITAGENTS 200;
db2stop;
db2start;
Question 3
A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?
A. The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.
B. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
C. The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
D. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
Question 4
What new security authorities have been introduced in DB2 V9.7?
A. WLMADM, ACCESSCTRL, SECADMIN
B. SECADMIN, ACCESSCTRL, SQLADM
C. WLMADM, SQLADM, EXPLAIN
D. EXPLAIN, SECADMIN, DATAACCESS
Question 5
Given the following table definition in a multi-partitioned database:
Which column(s) will be chosen by DB2 as a distribution key (partitioning key)?
A. EMP_ID
B. SS_ID, EMP_ID, and NAME
C. NAME
D. SS_ID
Solutions:
| Question 1 Answer: C | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: D |
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