000-544の無料問題集（106題）、000-544認定試験参考書

IBM 000-544 問題集

試験コード：000-544

試験名称：DB2 9.7 Advanced DBA for LUW

最近更新時間：2025-06-26

問題と解答：全106問

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質問 1：
Click the Exhibit button.

Refer to the table definition shown in the exhibit.
Which will improve performance based on the query SELECT c6, c9 FROM tab3 WHERE c9 = 123456?
A. CREATE INDEX idx98 ON tab3 (c2 ASC, c6 ASC); CREATE INDEX idx99 ON tab3 (c2 ASC, c9 ASC); RUNSTATS ON TABLE myschema.tab3;
B. CREATE INDEX idx98 ON tab3 (c6 ASC); CREATE INDEX idx99 ON tab3 (c9 DESC); RUNSTATS ON TABLE myschema.tab3;
C. CREATE INDEX idx99 ON tab3 (c6 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
D. CREATE INDEX idx99 ON tab3 (c2 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
正解：B

質問 2：
Given the following output from the GET DATABASE CONFIGURATION command:

Which of the following DB configurations listed below will enable circular logging?
A. LOGRETAIN=CIRCULAR
B. LOGPRIMARY=LOGCIRCULAR and LOGRETAIN=OFF
C. LOGSECOND=-1
D. LOGARCHMETH1=OFF and LOGARCHMETH2=OFF
正解：D

質問 3：
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 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.
B. 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.
C. 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.
D. 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.
正解：C

質問 4：
What determines the degree of inter-partition parallelism used?
A. The number of database partitions and the definition of partition groups.
B. The value of the INTER_PARALLEL Database Manager configuration parameter.
C. The value of the DFT_DEGREE database configuration parameter.
D. The number of database connections and the definition of partitions groups.
正解：A

質問 5：
A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?
A. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
B. The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.
C. In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
D. The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
正解：D

質問 6：
Given the following table definition in a multi-partitioned database:

Which column(s) will be chosen by DB2 as a distribution key (partitioning key)?
A. SS_ID
B. SS_ID, EMP_ID, and NAME
C. EMP_ID
D. NAME
正解：A

質問 7：
In order for HADR to start, which statement is true when setting the HADR_TIMEOUT database configuration value?
A. Changes to the HADR_TIMEOUT value will take effect immediately.
B. The HADR_TIMEOUT value must be identical on both the primary and the standby server.
C. If the HADR_TIMEOUT value is set to -1, connection timeouts will not occur.
D. If the HADR_TIMEOUT value is different between the two servers, the lowest value is used.
正解：B

質問 8：
Which conditions must be met to implement HADR?
A. Operating systems on primary and standby servers need not be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).
B. Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).
C. Operating systems on primary and standby servers must be the same; DB2 versions need not be the same; and the databases must have the same bit-size (32 or 64 bit).
D. Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases must have the same bit-size (32 or 64 bit).
正解：D

質問 9：
Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?
A. DB2_PARALLEL_IO=7:64
B. DB2_PARALLEL_IO=7:7
C. DB2_PARALLEL_IO=7:16
D. DB2_PARALLEL_IO=7:32
正解：B

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IBM DB2 9.7 Advanced DBA for LUW 認定 000-544 試験問題:

1. Click the Exhibit button.

In a DB2 Connect scenario between a Windows client and a z/OS server, the commands in the exhibit produced an SQL30061N error while trying to connect to the BIGDB001 database in the DB2T subsystem on the z/OS server: SQL30061N The database alias or database name name was not found at the remote node.
Explanation:
The database name is not an existing database at the remote database node. The statement cannot be processed. The z/OS DBA has confirmed that the LOCATION NAME is DB2T. Which change would enable the command in the exhibit to execute correctly?

A) CATALOG DCS DATABASE dsample AS db2t
B) CATALOG DATABASE bigdb001 AS dsample AT NODE db2t AUTHENTICATION DCS
C) CATALOG DATABASE db2t AS dsample AT NODE node001 AUTHENTICATION DCS
D) CATALOG DCS DATABASE db2t AS dsample

2. What new security authorities have been introduced in DB2 V9.7?

A) WLMADM, ACCESSCTRL, SECADMIN
B) WLMADM, SQLADM, EXPLAIN
C) SECADMIN, ACCESSCTRL, SQLADM
D) EXPLAIN, SECADMIN, DATAACCESS

3. The DBA needs to create a table with key columns YEARMONTH and YEAR. This table needs to be partitioned by column YEARMONTH with three months per data partition. Additionally, data needs to be organized by column YEAR, 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
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
B) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (yearmonth))
C) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (year))
D) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (yearmonth))

4. When the DBA chooses the dimensions for a multi-dimensional clustering (MDC) table, which two characteristics should be considered? (Choose two.)

A) numeric data versus character data
B) the combined cardinality of the candidate columns
C) prefetch size
D) the query transaction rate
E) extent size

5. Which statement about compression and temporary tables is NOT correct?

A) The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.
B) The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.
C) Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
D) When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.

質問と回答：

質問 # 1
正解： A

質問 # 2
正解： B

質問 # 3
正解： A

質問 # 4
正解： B、E

質問 # 5
正解： C