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| Section | Weight | Objectives |
|---|---|---|
| Physical Database Design | 18% | - Storage optimization - Partitioning, MDC, and range-clustered tables - Table spaces and containers - Index design and maintenance |
| Security & Access Control | 15% | - Privileges and roles - Authentication and authorization - Auditing and encryption |
| Server Management & Configuration | 20% | - Installation and upgrade - Memory management including STMM - Instance and database configuration - Registry variables and environment settings |
| Backup, Recovery & High Availability | 17% | - Backup and restore operations - FlashCopy and snapshot support - Crash recovery and rollforward - HADR configuration and failover |
| Maintenance & Utilities | 18% | - Load, Import, and Export utilities - Diagnostic tools: db2diag, db2dart, db2exfmt - RUNSTATS, REORG, and REBIND |
| Performance Monitoring & Tuning | 12% | - SQL optimization and access plans - Locking, concurrency, and deadlock resolution - Monitoring tools: db2top, snapshot monitor |
1. Which statement is correct about informational constraints?
A) An informational constraint can be used by the SQL compiler to improve the access to data and query performance.
B) An informational constraint is a column or combination of columns that has the same properties as a unique constraint.
C) The database manager uses an informational constraint to enforce the uniqueness of the key during changes to the columns of the unique constraint.
D) An informational constraint specifies that every row that is inserted or updated in the table must conform to the definition of the table.
2. A file named db2advise.in contains the following text:
-#SET FREQUENCY 100
SELECT COUNTO FROM employee;
SELECT AVG(bonus), AVG(salary) FROM employee
GROUP BY workdept ORDER BY workdept;
Which command will cause the Design Advisor to make recommendations for a database named
SAMPLE, using the information found in this file?
A) db2advis -d sample -f
B) db2advis -d sample -i db2advise.in
C) db2advis -d sample -f db2advise.in
D) db2advis -d sample -g
3. Scheduled tasks are executed by the DB2 autonomic computing daemon (db2acd). Every five minutes the daemon checks for new or updated tasks. If a task is scheduled to run every five minutes and for some reason, the task takes seven minutes to complete, the daemon will not execute another instance of the task at the next 5 minute interval. Which minute mark will allow the next task to run?
A) 22
B) 10
C) 17
D) 5
4. A DBA wants to use Label Based Access Control (LBAC) to protect Individual rows in a table. Which data type must be used to create a column to hold the necessary LBAC security data?
A) SYSIBM.DB2SECURITYLABEL
B) SYSPROC.DB2LBACU\BEL
C) SYSIBM.DB2LBACLABEL
D) SYSPROC.DB2SECURITYU\BEL
5. Index TAB 1X1 was created as shown below:
CREATE INDEX tablxl ON tab1(col_1)
Which modification to index TAB 1X1 can be performed with an ALTER INDEX statement?
A) ALTER INDEXtablxl PCTFREE 40
B) ALTER INDEXtablxl ADD COLUMN (col_2)
C) ALTER INDEXtablxl CLUSTER
D) ALTER INDEXtablxl COMPRESS YES
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: D |
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