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IBM A2090-544 Exam Syllabus Topics:

IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

Question 1

Which option of the ALTER TABLE statement tells the DB2 optimizer to use an index scan on a table that might vary in size at run time from being empty to containing a large number of rows?

A. CURRENT CARDINALITY
B. CARDINALITY VOLATILE
C. VOLATILE
D. INDEXSCAN

Question 2

Which series of items are required to establish a TCP/IP connection to a DB2 for z/OS database from a DB2 for Linux, UNIX, or Windows server?

A. hostname, port number/protocol, subsystem ID, local database name, node name
B. hostname, logical unit (LU) name, subsystem ID, local database name, node name
C. hostname, logical unit (LU) name, target database name, local database name, node name
D. hostname, port number/protocol, target database name, local database name, node name

Question 3

A primary and standby database are enabled for HADR and are in peer state. The HADR_SYNCMODE configuration parameter is set to SYNC. An application connects to the primary database, issues a COMMIT and receives a successful return code in response. How were the log buffers for this unit of work processed?

A. The log buffers were written to the DB2 log files on the primary server and sent to TCP/IP send buffer to be shipped to the standby server. The return code was then sent to the application.
B. The log buffers were written to the DB2 log files on the primary server and received in the log buffers on the standby database. The return code was then sent to the application.
C. The log buffers were written to the DB2 log files on the standby server and held in memory on the primary server. The return code was then sent to the application.
D. The log buffers were written to the DB2 log files on the primary server, sent to the standby, and written to log files on the standby server. The return code was then sent to the application.

Question 4

When the DBA chooses the dimensions for a multi-dimensional clustering (MDC) table, which two characteristics should be considered? (Choose two.)

A. numeric data versus character data
B. the query transaction rate
C. extent size
D. prefetch size
E. the combined cardinality of the candidate columns

Question 5

The RECOVER command is used in an attempt to fix a damaged table space. What will the system do during the RECOVER process?

A. Prompt the user for new container definitions for damaged or missing containers.
B. Restore the database and bypass inaccessible containers and make the rest of the table space available.
C. Create a new temporary table space if the damaged table space is a temporary table space.
D. Restore the database and attempt to make as much of the database available as possible.

Solutions: