C9050-548の無料問題集（85題）、C9050-548認定試験参考書

IBM C9050-548 問題集

試験コード：C9050-548

試験名称：IBM Certified Database Administrator - IBM IMS

最近更新時間：2025-05-07

問題と解答：全85問

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質問 1：
Which one of the following options is correct about the differences between the IMPORT and INGEST
utilities?
A. The IMPORT utility can perform lightweight transformations on the data being processed. The INGEST
utility cannot transform data.
B. The IMPORT utility is now deprecated and INGESTis the recommended alternative.
C. The IMPORT utility can import data into a database, while the INGEST can only create database
objects based on a script file.
D. The INGEST is capable of transforming and streaming data from files and pipes at high speeds into
DB2 tables. The IMPORT utility cannot transform the data.
正解：D

質問 2：
What is the DB2 design advisor?
A. DB2 has no design advisor tool.
B. The DB2 design advisor is a tool that can help you improve your workload performance.
The tool asks you questions about your workload and other options it should take into account, and then
recommends performance changes to your database.
C. The DB2 design advisor is a tool that automatically analyzes your running database and continuously
makes changes to your database, so that the database is running at peak performance.
D. The DB2 design advisor is a help desk facility that is available to all licensed DB2 owners that have
paid their maintenance agreements with IBM. The tool is a Web site that guides you through the design of
your database, with the DBA responding to a series of questions. It produces a database schema that
allows for quick database creation.
正解：B

質問 3：
What is the role of the XML data type in DB2?
A. The XML data type allows a parser to use the metadata in a table to link to an external XML document
stored outside of the columns of a table.
B. The XML data type allows you to store well-formed XML documents in their hierarchical form within the
columns of a table.
C. The XML data type allows you to link a reference to an XML document stored outside of the columns of
a table.
D. The XML data type does not exist.
正解：B

質問 4：
Which one of the following options is CORRECT about DB2 pureScale feature?
A. DB2 pureScale uses the same concept of HADR where the data is replicated from a primary database
to a standby database.
B. DB2 pureScale persists data in the cluster caching facilities (CFs).
C. DB2 pureScale reduces the risk and cost associated with growing your distributed database solution by
providing extreme capacity and application transparency.
D. DB2 pureScale is only available for DB2 Express-C and DB2 Advanced Enterprise Edition.
正解：C

質問 5：
What information is NOT included as part of a DB PCB returned to an application program?
A. Segment Name
B. Segment Length
C. Status Code
D. Database Name
正解：B

質問 6：
The automatic maintenance wizard is a basic administration tool that is included in DB2. Which one of the
following activities does the automatic maintenance wizard help you with?
A. Using the automatic maintenance wizard is one of the quickest ways to set up your own database.
B. Using the automatic maintenance wizard, all DB table relationships will be created automatically based
upon the same column attribute naming being used in each table.
C. The automatic maintenance wizard simplifies your DB accounting activities to justify DB2.
D. The automatic maintenance wizard allows you to create 4GL scripts to query the database using plain
English language as a query language.
正解：A

質問 7：
What is a buffer pool in DB2?
A. A buffer pool is a DB2 component that manages connections to databases.
B. A buffer pool is an area of main memory that has been allocated by the database manager for the
purpose of caching table and index data as it is read from the physical media.
C. A buffer pool is a pool of connection buffers that increases performance of applications connecting to
the DB2 server.
D. A buffer pool is a logical storage grouping composed of one or more containers.
正解：B

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IBM Certified Database Administrator - IBM IMS 認定 C9050-548 試験問題:

1. Which of the following options best describes the differences between Label Based Access Control
(LBAC) and Row and Column Access Control (RCAC)?

A) With RCAC users do not get an error when accessing protected data, while with LBAC users can get
an error if they don't have the necessary credentials to access a LBAC protected column.
B) RCAC is a fixed label security model designed for the US government while LBAC is a general purpose
security model best suited for commercial customers.
C) RCAC returns the data based on what is being asked (data centric), while LBAC returns data based on
who is asking what (user centric). Users with DATAACCESS authority are exempt from the Row and
Column Access Control rules.
D) LBAC allows you to protect access only to rows, while RCAC allows you to protect both rows and
columns.

2. What happens when an unqualified GN call is issued after a GB status code (end of database) is
received?

A) The last segment successfully retrieved is returned in the IOArea.
B) The first segment in the database is retrieved.
C) The GB status code is repeated.
D) A GE status code (segment not found) is returned.

3. Using the sample IBM supplied authorization exit, which authorization ID setting will be ensured?

A) The initial primary authorization ID is set to the same value as the first secondary ID.
B) The initial primary authorization ID remains the primary ID, the SQL ID is set equal to the RACF ID of
the DB2 subsystem.
C) The initial primary authorization ID is unchanged as the DB2 primary ID, and the SQL ID is made equal
to the DB2 primary ID, and one secondary ID exists and is the name passed by CICS or IMS.
D) The initial primary authorization ID remains the primary ID, the SQL ID is set equal to the primary ID,
and the list of DB2 secondary IDs is set to the list of group names to which the RACF user ID is
connected.

4. What is the DB2 replication center?

A) The replication center is a GUI that is used to administer replication between a DB2 database and
another relational database (DB2 or non-DB2).
B) The replication center is a GUI that allows you to replicate tables in your current DB2database.
C) The replication center is a GUI that is used transfer messages that are queued in the middleware
transaction software (such as IBM MQ) to the DB2 database.
D) DB2 does not have a replication center.

5. Which one of the following statements is FALSE about DB2 Workload Management (WLM)?

A) DB2 Workload Management allows dynamic re-prioritization of work by remapping a workload to a
different service class.
B) DB2 Workload Management dispatcher can be used to control sharing of memory resources among
active workloads.
C) When a WLM threshold condition is violated an action is executed in order to maintain stability in the
system.
D) DB2 Workload Management uses workloads to identify incoming work based on the connection
attributes under which the work is submitted.

質問と回答：

質問 # 1
正解： A

質問 # 2
正解： B

質問 # 3
正解： D

質問 # 4
正解： A

質問 # 5
正解： B