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IBM A2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup, Recovery, and Maintenance | 18% | - Utilities and maintenance
|
| Topic 2: Database Design and Implementation | 20% | - Physical database design
|
| Topic 3: Security and Compliance | 12% | - Authentication and authorization
|
| Topic 4: High Availability and Scalability | 20% | - HADR implementation and management
|
| Topic 5: Performance and Optimization | 25% | - Tuning and optimization
|
| Topic 6: Problem Determination and Support | 5% | - Diagnostic tools
|
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
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=7:32
- B. DB2_PARALLEL_IO=7:7
- C. DB2_PARALLEL_IO=7:16
- D. DB2_PARALLEL_IO=7:64
What determines the degree of inter-partition parallelism used?
- A. The number of database partitions and the definition of partition groups.
- B. The value of the INTER_PARALLEL Database Manager configuration parameter.
- C. The value of the DFT_DEGREE database configuration parameter.
- D. The number of database connections and the definition of partitions groups.
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);
What will the db2audit facility do when a DB2 database instance is stopped?
- A. Write an error message to the audit log and stop automatically.
- B. Stop automatically.
- C. Remain active.
- D. Generate an error stating that the audit facility should be stopped prior to stopping the instance.
Click the Exhibit button.
In a DB2 Connect scenario between a Windows client and a z/OS server, the commands in the exhibit produced an SQL30061N error while trying to connect to the BIGDB001 database in the DB2T subsystem on the z/OS server: SQL30061N The database alias or database name name was not found at the remote node.
Explanation:
The database name is not an existing database at the remote database node. The statement cannot be processed. The z/OS DBA has confirmed that the LOCATION NAME is DB2T. Which change would enable the command in the exhibit to execute correctly?
- A. CATALOG DATABASE bigdb001 AS dsample AT NODE db2t AUTHENTICATION DCS
- B. CATALOG DATABASE db2t AS dsample AT NODE node001 AUTHENTICATION DCS
- C. CATALOG DCS DATABASE dsample AS db2t
- D. CATALOG DCS DATABASE db2t AS dsample
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