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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
1. What is the proper set of steps to execute a redirected restore and change the container paths for a database not using automatic storage?
A) Issue a RESTORE DATABASE command with the REDIRECT option;
issue a SET TABLESPACE CONTAINERS command;
issue a RESTORE DATABASE command with the CONTINUE option;
B) Issue a RESTORE DATABASE command with the ROLLFORWARD option;
issue a RESTORE DATABASE command with the CONTINUE option;
C) Issue a RESTORE DATABASE command with the ROLLFORWARD option;
issue a SET TABLESPACE CONTAINERS command;
issue a RESTORE DATABASE command with the CONTINUE option;
D) Issue a RESTORE DATABASE command with the REDIRECT option;
issue a RESTORE DATABASE command with the CONTINUE option;
2. Given a database with Self-Tuning Memory Manager (STMM) enabled, what will DB2 do when a new buffer pool is created using the IMMEDIATE option?
A) Attempt to create the buffer pool and immediately request additional memory from the operating system to allocate. If the operating system memory is not available, the buffer pool will not be created.
B) Attempt to create the buffer pool and immediately allocate the memory requested from available database shared memory. If the memory available is not sufficient, then allocation of the buffer pool will be deferred until the database is stopped and restarted.
C) Attempt to create the buffer pool and immediately allocate the memory requested, resizing the existing buffer pools and heaps as required. If there is insufficient memory in the global memory allocation for DB2, the buffer pool will not be created.
D) Attempt to create the buffer pool and immediately request additional instance level memory. If the instance level memory is not available, then creation of the buffer pool is deferred until the database is stopped and restarted.
3. 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 DB2_COMPRESS_BACKUP registry variable.
C) Check the header information of the backup file using db2ckbkp.
D) Check the value of the COMPRESS_BACKUP database configuration setting.
4. A user with Security Administrator (SECADM) authority executes the following statements:
If user USER2 queries the table S.TAB1, how many rows will be returned?
A) 0
B) 1
C) 2
D) 3
5. What steps, in the correct order, are performed by the SQL and XQuery compilers to generate executable code for non-federated queries?
A) check semantics; parse query; rewrite query; build access plan
B) check semantics; parse query; build access plan; pushdown predicates; execute access plan
C) parse query; rewrite query; check semantics; pushdown predicates; execute access plan
D) parse query; check semantics; rewrite query; build access plan
Solutions:
Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: D |