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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Authorization Management | - Authentication and privilege management - Role and authority controls |
| Topic 2: Performance Monitoring and Tuning | - Index, table and query optimization - Buffer pools and memory management |
| Topic 3: Advanced DBA Tools and Utilities | - DB2 utilities and commands - Partitioning and database distribution |
| Topic 4: DB2 9.7 Advanced DBA Architecture and Configuration | - Advanced DB2 9.7 features and enhancements - Instance and database configuration parameters |
| Topic 5: Backup, Recovery and High Availability | - Backup and restore techniques - High availability disaster recovery (HADR) |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
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.
2. A DBA wants to migrate a DB2 LUW 8.2.2 database to version 9.7 and plans to use currently committed (CC) semantics on an application-by-application basis. Which process will yield the desired results?
A) Migrate the database, then assign the value AVAILABLE to the CURR_COMMIT configuration parameter.
B) Set the DB2_USE_CC_SEMANTICS registry variable to APPLICATION, then migrate the database.
C) Set the DB2_USE_CC_SEMANTICS registry variable to YES, then migrate the database.
D) Migrate the database, then assign the value ON to the CURR_COMMIT configuration parameter.
3. A primary and standby database are enabled for HADR and are in peer state. The HADR_SYNCMODE configuration parameter is set to SYNC. An application connects to the primary database, issues a COMMIT and receives a successful return code in response. How were the log buffers for this unit of work processed?
A) The log buffers were written to the DB2 log files on the primary server and received in the log buffers on the standby database. The return code was then sent to the application.
B) The log buffers were written to the DB2 log files on the primary server and sent to TCP/IP send buffer to be shipped to the standby server. The return code was then sent to the application.
C) The log buffers were written to the DB2 log files on the standby server and held in memory on the primary server. The return code was then sent to the application.
D) The log buffers were written to the DB2 log files on the primary server, sent to the standby, and written to log files on the standby server. The return code was then sent to the application.
4. A Windows user with a local database is not able to connect to a zOS database. The System Database Directory and the Node Directory have the correct entries. Other users can connect to the database from their workstations without problems. What should be done resolve the problem?
A) Uncatalog and re-catalog the directory entries for the zOS database and try again.
B) Catalog the zOS database in the Local Database Directory.
C) Catalog the zOS database in the Database Connection Services Directory.
D) Catalog the zOS database in the Distributed Data Facility Directory.
5. When an agent that is connected to the database finishes its work of successfully processing a query, what happens to the agent?
A) It remains active as long as the MAXAGENTS setting is not exceeded.
B) It is placed in the agent pool if the connection is terminated.
C) It terminates immediately.
D) It automatically releases the database connection and returns to the pool.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |
