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IBM C2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Performance and Optimization | 25% | - Tuning and optimization
|
| Topic 2: Problem Determination and Support | 5% | - Diagnostic tools
|
| Topic 3: High Availability and Scalability | 20% | - Partitioned database environments
|
| Topic 4: Backup, Recovery, and Maintenance | 18% | - Utilities and maintenance
|
| Topic 5: Database Design and Implementation | 20% | - Physical database design
|
| Topic 6: Security and Compliance | 12% | - Authentication and authorization
|
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
1. Given a database created as follows:
If each table (T1 and T2) has 50,000 rows, which of the following commands will ensure that the temporary table created by the select statement will fit entirely in the buffer pool, assuming that there is a primary key/foreign key relationship between column C1 in table T1, and column C1 in table T2?
A) CREATE BUFFERPOOL bp1 SIZE 20000 PAGESIZE 4k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
B) CREATE BUFFERPOOL bp1 size 10000 PAGESIZE 8k;
C) CREATE BUFFERPOOL bp1 size 25000 PAGESIZE 32k;
D) CREATE BUFFERPOOL bp1 size 5000 PAGESIZE 16k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
2. If the shared sort heap threshold parameter SHEAPTHRES_SHR is set to AUTOMATIC, what will happen?
A) All sorts will be done in a temporary table space.
B) The shared sort memory allocation will be controlled by DB2.
C) No shared memory is allocated for sorting.
D) All sorts will be done in shared memory.
3. Which database configuration parameters can be used to limit the amount of memory allocated for the LOAD utility?
A) UTIL_HEAP_SZ and STAT_HEAP_SZ
B) LOAD_HEAP_SZ and DATABASE_MEMORY
C) LOAD_HEAP_SZ and STAT_HEAP_SZ
D) UTIL_HEAP_SZ and DATABASE_MEMORY
4. Which command will prevent prefetching during crash recovery?
A) db2set DB2_AVOID_PREFETCH=OFF
B) db2set DB2_AVOID_PREFETCH=ON
C) db2set DB2_RECOVERY_PREFETCHING=YES
D) db2set DB2_RECOVERY_PREFETCHING=NO
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 terminates immediately.
B) It remains active as long as the MAXAGENTS setting is not exceeded.
C) It automatically releases the database connection and returns to the pool.
D) It is placed in the agent pool if the connection is terminated.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: D |
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