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IBM C2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security & Compliance | 15% | - Authentication and authorization - Privilege management - Auditing and encryption |
| Topic 2: Backup, Recovery & High Availability | 25% | - Restore and rollforward recovery - HADR and high availability solutions - Backup strategies and utilities - Log management and archiving |
| Topic 3: Performance Tuning & Optimization | 25% | - Sorting and memory tuning - Index design and maintenance - Query optimization and access plans - Monitoring tools and advisors |
| Topic 4: Database Architecture & Configuration | 20% | - Memory management and STMM - Storage management and table spaces - Partitioned database environment - Instance and database configuration |
| Topic 5: Migration, Maintenance & Troubleshooting | 15% | - Data movement and repartitioning - Upgrading to DB2 9.7 - Problem determination and error resolution |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
Question 1
Which registry variable allows you to limit the size of individual containers for automatic storage table spaces?
A. DB2_SET_MAX_CONTAINER_SIZE
B. DB2_TRUNCATE_AS_STORAGE
C. DB2_ALLOCATION_SIZE
D. DB2_LIMIT_AS_CONTAINER_BLOCKS
Question 2
A database recovery operation (RECOVER DATABASE) failed during the roll forward phase. The DBA wants to force the RECOVER DATABASE to redo the restore phase. What must occur to accomplish this?
A. A RECOVER DATABASE command must be issued with the RESTART option specified.
B. A RECOVER DATABASE command must be re-issued with the REPLACE option specified.
C. A RECOVER DATABASE command must be issued with the TO END OF LOGS option specified.
D. The RECOVER DATABASE operation must be terminated and a new RECOVER DATABASE command must be issued.
Question 3
Which description is correct when discussing the DB2_MEM_TUNING_RANGE registry variable?
A. It is recommended to set this variable only when using STMM, when DATABASE_MEMORY is set to AUTOMATIC, and if insufficient system memory problems are occurring.
B. It is recommended that this variable be used to set the maximum percentage of memory that DB2 can use on the system.
C. It is recommended that this variable be enabled at all times in order to prevent DB2 from taking too much physical memory.
D. It is recommended to set this variable only when the Self-Tuning Memory Manager (STMM) is disabled.
Question 4
Given a SHEAPTHRES value of 2560, in which two cases will a SHEAPTHRES_SHR value of 1024 be meaningful? (Choose two.)
A. MAX_CONNECTIONS 500, MAX_COORDAGENTS 1000
B. MAX_CONNECTIONS 2000, MAX_COORDAGENTS 100
C. MAX_AGENTS 100, MAX_CONNECTIONS 2000
D. INTRA_PARALLEL NO
E. INTRA_PARALLEL YES
Question 5
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 5000 PAGESIZE 16k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
B. CREATE BUFFERPOOL bp1 SIZE 20000 PAGESIZE 4k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
C. CREATE BUFFERPOOL bp1 size 10000 PAGESIZE 8k;
D. CREATE BUFFERPOOL bp1 size 25000 PAGESIZE 32k;
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: A | Question 4 Answer: B,E | Question 5 Answer: C |
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