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IBM C2090-544 Exam Syllabus Topics:

IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

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

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

2. What is required to successfully use the check backup utility (db2ckbkp)?

A) read permission on the database
B) read permission on the backup image
C) system maintenance authority
D) system administrator authority

3. Table T1 was created by executing the following statement:

Immediately after creation, table T1 was populated with 10 rows. Later, user USER1 ran an application that inserted 100,000 rows into table T1. The following query is frequently ran against the T1 table:
SELECT deptno, empno, deptname FROM t1 WHERE deptno = 'EN' AND empno = '123' Assuming current statics exist for the table and index, which index will provide optimal performance for this query?

A) CREATE INDEX idx1 ON t1 (deptno, empno) INCLUDE (deptname)
B) CREATE INDEX idx1 ON t1 (deptno)
C) CREATE INDEX idx1 ON t1 (deptno, empno)
D) CREATE INDEX idx1 ON t1 (deptno) INCLUDE (empno)

4. A DBA has established connectivity to a DB2 for z/OS database and is exploiting a System z sysplex for load balancing and fault-tolerance. Which series of statements and commands can be issued to ensure that agents remain allocated to help maintain the sysplex server list?

A) UPDATE DBM CFG USING NUM_POOLAGENTS 0;
db2stop;
db2start;
B) UPDATE DBM CFG USING NUM_INITAGENTS 200;
db2stop;
db2start;
C) UPDATE DBM CFG USING NUM_INITAGENTS 0;
db2stop;
db2start;
D) UPDATE DBM CFG USING NUM_POOLAGENTS 200;
db2stop;
db2start;

5. A database named MYDB is created in instance DB2INST1, which has been configured to use KRB_SERVER_ENCRYPT authentication. If a client attempting to access database MYDB does not support Kerberos authentication, which authentication method will be used to establish a connection?

A) CLIENT
B) SERVER_ENCRYPT
C) SERVER
D) KRB_SERVER_ENCRYPT

Solutions: