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IBM A2090-544 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Backup, Recovery & High Availability | 25% | - Log management and archiving - HADR and high availability solutions - Backup strategies and utilities - Restore and rollforward recovery |
| Topic 2: Migration, Maintenance & Troubleshooting | 15% | - Upgrading to DB2 9.7 - Data movement and repartitioning - Problem determination and error resolution |
| Topic 3: Security & Compliance | 15% | - Privilege management - Auditing and encryption - Authentication and authorization |
| Topic 4: Database Architecture & Configuration | 20% | - Partitioned database environment - Instance and database configuration - Storage management and table spaces - Memory management and STMM |
| Topic 5: Performance Tuning & Optimization | 25% | - Query optimization and access plans - Monitoring tools and advisors - Sorting and memory tuning - Index design and maintenance |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?
A) DB2_PARALLEL_IO=7:64
B) DB2_PARALLEL_IO=7:7
C) DB2_PARALLEL_IO=7:16
D) DB2_PARALLEL_IO=7:32
2. A database named MYDB is created in instance DB2INST1, which has been configured to use KRB_SERVER_ENCRYPT authentication. If a client attempting to access database MYDB does not support Kerberos authentication, which authentication method will be used to establish a connection?
A) SERVER_ENCRYPT
B) KRB_SERVER_ENCRYPT
C) SERVER
D) CLIENT
3. A database called PRODDB has a weekly full backup taken on Saturday, non-cumulative (delta) backups taken daily, and a midweek cumulative backup that is taken on Wednesday. A database crash occurs on a Saturday prior to the full backup being taken.
What is the fastest way to restore the database?
A) RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
B) RESTORE DB proddb TAKEN AT (Friday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Saturday);
C) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
D) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Monday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Tuesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Wednesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Thursday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
4. The RECOVER command is used in an attempt to fix a damaged table space. What will the system do during the RECOVER process?
A) Restore the database and bypass inaccessible containers and make the rest of the table space available.
B) Restore the database and attempt to make as much of the database available as possible.
C) Prompt the user for new container definitions for damaged or missing containers.
D) Create a new temporary table space if the damaged table space is a temporary table space.
5. A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?
A) The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
B) The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.
C) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
D) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A |




