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IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. What is a method for enabling non-buffered I/O at the table space level in a DB2 database?
A) Set the DB2_DIRECT_IO configuration parameter to YES.
B) Use the NO FILE SYSTEM CACHING clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
C) Use the USE DIRECT IO clause with the CREATE TABLESPACE or ALTER TABLESPACE command.
D) Set the DB2_FILESYSTEM_CACHE configuration parameter to YES.
2. A database called PRODDB has a weekly full backup taken on Saturday, non-cumulative (delta) backups taken daily, and a midweek cumulative backup that is taken on Wednesday. A database crash occurs on a Saturday prior to the full backup being taken.
What is the fastest way to restore the database?
A) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Monday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Tuesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Wednesday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Thursday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
B) RESTORE DB proddb TAKEN AT (Friday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Saturday);
C) RESTORE DB proddb TAKEN AT (Saturday);
RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
D) RESTORE DB proddb INCREMENTAL AUTOMATIC TAKEN AT (Friday);
3. 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 RUNSTATS on the ORA1 nickname at the federated server.
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.
D) Perform the equivalent of RUNSTATS on ORA1 in Oracle; then drop and re-create the ORA1 nickname.
4. 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 (c4, c3, c2, c1);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3, c4);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
5. A database and a table space were created using the following commands:
Afterwards, two tables were created in table space TBSP1 and both tables were populated with 100,000 rows. If a DBA decides that database MYDB should use automatic storage, which command(s) are needed to convert both the database and table space TBSP1?
A) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
B) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
C) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
D) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |






