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IBM A2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Administration & Problem Determination | 20% | - Troubleshooting common issues - Workload management - Advanced utilities and commands - Migration and upgrade procedures |
| High Availability and Scalability | 20% | - Log management and archiving - HADR configuration and operation - Backup and recovery strategies - Partitioning and scale-out |
| Performance Tuning | 25% | - Index design and maintenance - SQL query optimization - Memory and sort tuning - Monitoring tools and utilities |
| DB2 9.7 Architecture and Configuration | 20% | - Storage management and table spaces - Memory model and allocation - Instance and database configuration - Registry variables and parameters |
| Security and Compliance | 15% | - Authentication and authorization - Privilege management - Security best practices - Encryption and audit logging |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. Assuming table TAB_A resides in a DB2 9.7 database, what is one way to obtain an estimate of how much space could be saved if this table were compressed?
A) The ADMINGETTABCOMPRESSINFO_V97 table function.
B) The ADMINGETTABCOMPRESSINFO table function.
C) The ADMIN_GET_TAB_COMPRESS_INFO_V97 table function.
D) The ADMIN_GET_TAB_INFO table function.
2. 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, C3 and C4 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, c4);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c4, c3, c2, c1);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
3. 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 (c1) INCLUDE (c2, c3);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1);
4. When the DBA chooses the dimensions for a multi-dimensional clustering (MDC) table, which two characteristics should be considered? (Choose two.)
A) the combined cardinality of the candidate columns
B) numeric data versus character data
C) prefetch size
D) the query transaction rate
E) extent size
5. What is the minimum authority required to execute the LOAD command?
A) SYSCTRL
B) SQLADM
C) DATAACCESS
D) ACCESSCTRL
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A,E | Question # 5 Answer: C |

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