IBM IBM Certified Advanced Database Administrator C2090-614 Questions & Answers

• Question 101:

  Which monitoring tool can be used to obtain stripe set information for database managed storage table spaces?

  A. The MON_GET_CONTAINER table function.

  B. The SNAP_GET_TBSP_PART table function.

  C. The SNAPTBSP_RANGE administrative view.

  D. The TS_GET_CONTAINER administrative view.

  Correct Answer: A

• Question 102:

  What will occur when a database administrator adds a new automatic storage path to an existing storage group?

  A. New table spaces will start consuming storage on the new path.

  B. Existing table spaces will not consume storage on the new path.

  C. The storage group will be placed in "Rebalance Pending" mode.

  D. DB2 will verify that space is available on the storage path specified.

  Correct Answer: B

• Question 103:

  Consider the following statement:

  

  Which indexes should be created for optimal query performance?

  A. CREATE INDEX emp_idx ON employee (workdept); CREATE INDEX dept_idx ON department (deptno);

  B. CREATE INDEX emp_idx ON employee (workdept) CLUSTER; CREATE INDEX dept_idx ON department (deptname, deptno);

  C. CREATE INDEX emp_idx ON employee (workdept, lastname, job); CREATE INDEX dept_idx ON department (deptname, deptno);

  D. CREATE INDEX emp_idx ON employee (lastname, job, workdept) CLUSTER; CREATE INDEX dept_idx ON department (deptname);

  Correct Answer: C

• Question 104:

  The following message is frequently seen in the DB2 Diagnostics Log file (db2diag.log):

  MESSAGE:

  ADM5502W

  The escalation of "28581" locks on table "TEST.TABLE1" to lock intent "X" was successful. Which two database configuration parameter settings should be checked? (Choose two.)

  A. LOCKLIST

  B. MAXAPPLS

  C. MAXLOCKS

  D. MAXAGENTS

  E. LOCKTIMEOUT

  Correct Answer: AC

• Question 105:

  Which procedure is used to Explain an SQL statement using information obtained from the package cache or the package cache event monitor?

  A. EXPLAIN_FROM_DATA

  B. EXPLAIN_FROM_ACTIVITY

  C. EXPLAIN_FROM_SECTION

  D. EXPLAIN_FROM_CATALOG

  Correct Answer: C

• Question 106:

  Which statement about the initiation of parallel I/O is correct?

  A. For list prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers.

  B. For read-ahead prefetching, each list of data pages is divided into smaller lists according to extent boundaries and assigned to different I/O servers.

  C. For sequential prefetching, parallel I/O is initiated when the prefetch size is a multiple of the extent size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers.

  D. For sequential prefetching, parallel I/O is initiated when the extent size is a multiple of the prefetch size for a table space. Each prefetch request is divided into smaller requests and assigned to different I/O servers.

  Correct Answer: C

• Question 107:

  Given the following database design:

  

  A Explain plan shows that a broadcast join is being used by a query that joins the DATE_DIM dimension table and the SALES fact table. Which action should be performed to improve query performance?

  A. Create a replicated summary table for the SALES table using the table space TS_REPL.

  B. Create a replicated summary table for the DATE_DIM table using the table space TS_REPL.

  C. Create an index on both the DATE_DIM and the SALES table for the column that is used in the collocated join.

  D. Create a replicated summary table for the SALES table using the table space TS_DIM and create an index on the DATE_DIM table.

  Correct Answer: B

• Question 108:

  Which constraints are used to tell the DB2 Optimizer to consider business rules that are not enforced by the database manager?

  A. Check constraints

  B. Default constraints

  C. Informational constraints

  D. Referential integrity constraints

  Correct Answer: C