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IBM C2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Tuning and Monitoring | - Query optimization and tuning
|
| Security and Authorization | - Authentication and authorization mechanisms
|
| High Availability and Utilities | - DB2 utilities and maintenance
|
| Storage Management | - Tablespaces and storage structures
|
| DB2 Architecture and Concepts | - DB2 instance and database structure
|
| Backup and Recovery | - Recovery strategies
|
| Database Installation and Configuration | - Installation planning and setup
|
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
1. A DBA migrating an existing database to DB2 9.7 wants to allow the primary and secondary recovery logs to be used with non-buffered IO. Which statement is true?
A) The DB2_LOGGER_AUTO_BUFFERED registry variable must be set to YES.
B) The DB2_LOGGER_NON_BUFFERED_IO registry variable must be set to AUTO.
C) The DB2_LOGGER_BUFFERED registry variable must be set to OFF.
D) This behavior is automatically enabled by default.
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_INITAGENTS 200;
db2stop;
db2start;
D) UPDATE DBM CFG USING NUM_POOLAGENTS 200;
db2stop;
db2start;
3. What determines the degree of inter-partition parallelism used?
A) The number of database connections and the definition of partitions groups.
B) The number of database partitions and the definition of partition groups.
C) The value of the INTER_PARALLEL Database Manager configuration parameter.
D) The value of the DFT_DEGREE database configuration parameter.
4. If your DB2 server is not responding (hung), and you cannot run DB2 commands from the Command Line Processor, which utility can be used to list the applications currently connected to the database MYDB?
A) db2pd
B) db2dart
C) db2acsutil
D) db2apptrk
5. Table TAB1 was created using the following statement:
CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT);
If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?
A) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1);
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: C |






