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IBM A2090-544 Exam Syllabus Topics:

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

1. Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?

A) DB2_PARALLEL_IO=7:7
B) DB2_PARALLEL_IO=7:32
C) DB2_PARALLEL_IO=7:64
D) DB2_PARALLEL_IO=7:16

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 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?

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

3. What is the minimum authority required to execute the RUNSTATS command against a table?

A) SYSMON
B) DATAACCESS
C) SQLADM
D) SECADM

4. At which two levels can events be audited? (Choose two.)

A) Instance level
B) Server level
C) Node level
D) Operating System level
E) Database level

5. How can a DBA validate that an existing backup was compressed?

A) Check the output from the command LIST HISTORY BACKUP ALL FOR the database.
B) Check the value of the COMPRESS_BACKUP database configuration setting.
C) Check the value of the DB2_COMPRESS_BACKUP registry variable.
D) Check the header information of the backup file using db2ckbkp.

Solutions: