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IBM A2090-544 Exam Syllabus Topics:

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

Question 1

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

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

Question 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 before 11:07:03 am
B. Any time after 11:07:03 am
C. Any time after 11:02:03 am
D. Any time after 11:07:04 am

Question 3

Assuming table TAB_A resides in a DB2 9.7 database, what is one way to obtain an estimate of how much space could be saved if this table were compressed?

A. The ADMIN_GET_TAB_INFO table function.
B. The ADMINGETTABCOMPRESSINFO_V97 table function.
C. The ADMIN_GET_TAB_COMPRESS_INFO_V97 table function.
D. The ADMINGETTABCOMPRESSINFO table function.

Question 4

A DBA has configured an Oracle data source in a federated database (that references a table named ORA1). How do you update the statistics for table ORA1 at the federated server?

A. Perform the equivalent of RUNSTATS on ORA1 in Oracle.
B. Perform the equivalent of RUNSTATS on ORA1 in Oracle; then perform RUNSTATS on the ORA1 nickname.
C. Perform the equivalent of RUNSTATS on ORA1 in Oracle; then drop and re-create the ORA1 nickname.
D. Perform RUNSTATS on the ORA1 nickname at the federated server.

Question 5

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

Solutions: