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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Advanced Database Administration | - Advanced performance monitoring and tuning - Database architecture and instance management - Diagnostic and problem determination - High availability and disaster recovery (HADR) - Database partitioning and parallelism - Advanced storage and tablespace configuration - Backup, recovery, and utility tools - Security and authority management |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. While attempting to establish connectivity between a Windows client and a UNIX server, the following commands were issued from the Windows client:
CATALOG TCPIP NODE node001 REMOTE hostnm01 SERVER 50000;
CATALOG DATABASE samp001 AS samp001 AT NODE node001;
TERMINATE;
When trying to connect to the SAMP001 database the following error was received: SQL30061N The database alias or database name name was not found at the remote node.
The database name is not an existing database at the remote database node. The statement cannot be processed. What should be done resolve the problem?
A) Match the port number in the CATALOG TCPIP NODE command with the port number in the /etc/services file on the remote server.
B) Change the service name (SVCENAME) in the remote servers database configuration.
C) Add a Database Connection Services entry to the /etc/services file on the Windows client.
D) Add an entry into the Database Connection Services directory on the Windows client.
2. Which command will prevent prefetching during crash recovery?
A) db2set DB2_RECOVERY_PREFETCHING=NO
B) db2set DB2_RECOVERY_PREFETCHING=YES
C) db2set DB2_AVOID_PREFETCH=ON
D) db2set DB2_AVOID_PREFETCH=OFF
3. A database and a table space were created using the following commands:
Afterwards, two tables were created in table space TBSP1 and both tables were populated with 100,000 rows. If a DBA decides that database MYDB should use automatic storage, which command(s) are needed to convert the database?
A) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
B) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
C) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
D) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
4. What would indicate intra-partition parallelism in an Optimizer Plan?
A) IP
B) LTQ
C) BTQ
D) DTQ
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) 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.
C) 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.
D) 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.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A |





