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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

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

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

2. Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1, C2, C3 and C4 together, which statement(s) will create index(es) that will provide optimal query performance?

A) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c4, c3, c2, c1);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3, c4);

3. Which command CANNOT be used to create the compression dictionary for a table?

A) IMPORT
B) INSPECT
C) LOAD
D) RUNSTATS

4. 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, sent to the standby, and written to log files on 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 standby server and held in memory on the primary server. The return code was then sent to the application.
C) 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.
D) 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.

5. Given a SHEAPTHRES value of 2560, in which two cases will a SHEAPTHRES_SHR value of 1024 be meaningful? (Choose two.)

A) INTRA_PARALLEL NO
B) INTRA_PARALLEL YES
C) MAX_AGENTS 100, MAX_CONNECTIONS 2000
D) MAX_CONNECTIONS 500, MAX_COORDAGENTS 1000
E) MAX_CONNECTIONS 2000, MAX_COORDAGENTS 100

Solutions: