IBM C2090-544 : DB2 9.7 Advanced DBA for LUW

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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. What is a method for enabling non-buffered I/O at the table space level in a DB2 database?

A) Set the DB2_FILESYSTEM_CACHE configuration parameter to YES.
B) Use the USE DIRECT IO clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
C) Use the NO FILE SYSTEM CACHING clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
D) Set the DB2_DIRECT_IO configuration parameter to YES.

2. Given an HADR pair configured with HADR_PEER_WINDOW set to 300 seconds. If the standby server looses communication with the primary at 11:02:03 am, when can the following command be run so that the standby server will successfully be promoted to be a primary server?
TAKEOVER HADR ON DB mydb BY FORCE PEER WINDOW ONLY

A) Any time after 11:02:03 am
B) Any time after 11:07:04 am
C) Any time before 11:07:03 am
D) Any time after 11:07:03 am

3. If you know that the table space containers for your database reside on RAID-5 3+p arrays, which registry variable should be assigned the value *:3 to help improve performance?

A) DB2_PARALLEL_IO
B) DB2_RESOURCE_POLICY
C) DB2_APM_PERFORMANCE
D) DB2_EXTENDED_IO_FEATURES

4. 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? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
B) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
C) ALTER DATABASE mydb AUTOMATIC STORAGE YES 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;

5. Which database manager configuration parameter is used to set an instance-wide soft limit on the total amount of memory that can be consumed by private sorts, within that instance, at any given time?

A) SHEAPTHRES_SHR
B) SORTHEAP
C) SHEAPTHRES
D) SORTHEAP_SHR

Solutions: