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IBM A2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| High Availability and Scalability | 20% | - Backup and recovery strategies - Log management and archiving - HADR configuration and operation - Partitioning and scale-out |
| Advanced Administration & Problem Determination | 20% | - Troubleshooting common issues - Migration and upgrade procedures - Advanced utilities and commands - Workload management |
| DB2 9.7 Architecture and Configuration | 20% | - Memory model and allocation - Storage management and table spaces - Instance and database configuration - Registry variables and parameters |
| Performance Tuning | 25% | - SQL query optimization - Monitoring tools and utilities - Index design and maintenance - Memory and sort tuning |
| Security and Compliance | 15% | - Privilege management - Authentication and authorization - Encryption and audit logging - Security best practices |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
What is a method for enabling non-buffered I/O at the table space level in a DB2 database?
- A. Use the USE DIRECT IO clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
- B. Use the NO FILE SYSTEM CACHING clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
- C. Set the DB2_FILESYSTEM_CACHE configuration parameter to YES.
- D. Set the DB2_DIRECT_IO configuration parameter to YES.
Correct Answer: B 🗳️
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 db2t AS dsample AT NODE node001 AUTHENTICATION DCS
- B. CATALOG DCS DATABASE db2t AS dsample
- C. CATALOG DATABASE bigdb001 AS dsample AT NODE db2t AUTHENTICATION DCS
- D. CATALOG DCS DATABASE dsample AS db2t
Correct Answer: D 🗳️
The DBA needs to create a table with key columns YEARMONTH and YEAR. This table needs to be partitioned by column YEARMONTH with three months per data partition. Additionally, data needs to be organized by column YEAR, so that all rows within any three month date range are clustered together based on 12 months of data. Which CREATE TABLE statement will accomplish this objective?
- A. CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (yearmonth)) - B. CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year)) - C. CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (year)) - D. CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (yearmonth))
Correct Answer: B 🗳️
What will the db2audit facility do when a DB2 database instance is stopped?
- A. Generate an error stating that the audit facility should be stopped prior to stopping the instance.
- B. Write an error message to the audit log and stop automatically.
- C. Stop automatically.
- D. Remain active.
Correct Answer: D 🗳️
In which two environments would intra-partition parallelism be used? (Choose two.)
- A. Single database partition, single processor core
- B. Multiple database partitions, single processor core
- C. Single database partition, multiple processor cores
- D. Multiple database partitions, multiple processor cores
Correct Answer: C,D 🗳️
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