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

1. 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;

2. The DBA needs to create a table with key columns YEARDAY, YEAR, and DAY. This table needs to be partitioned by column YEARDAY with three months per data partition. Additionally, data needs to be organized so that all rows within any three month date range are clustered together based on 12 months of data. Which CREATE TABLE statement will accomplish this objective?

A) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
B) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year, day))
C) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year, day))
D) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (day))

3. 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) SERVER_ENCRYPT
B) SERVER
C) CLIENT
D) KRB_SERVER_ENCRYPT

4. If your DB2 server is not responding (hung), and you cannot run DB2 commands from the Command Line Processor, which utility can be used to list the applications currently connected to the database MYDB?

A) db2pd
B) db2acsutil
C) db2apptrk
D) db2dart

5. 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)
B) CREATE INDEX idx1 ON t1 (deptno, empno) INCLUDE (deptname)
C) CREATE INDEX idx1 ON t1 (deptno)
D) CREATE INDEX idx1 ON t1 (deptno) INCLUDE (empno)

Solutions: