C2090-548の無料問題集（85題）、C2090-548認定試験参考書

IBM C2090-548 問題集

試験コード：C2090-548

試験名称：IBM Certified Database Administrator - IBM IMS

最近更新時間：2024-12-21

問題と解答：全85問

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質問 1：
Which one of the following options is FALSE?
A. WLM is not supported in DB2 pureScale environments.
B. The INGEST utility is capable of transforming and loading data from files and pipes at high speeds into DB2 tables.
C. Implementation of a row and column access control policy is transparent to applications accessing the database.
D. HADR with multiple standbys supports reads on all standby databases.
正解：A

質問 2：
What are some of the benefits of DB2 Express?
A. DB2 Express is fastest and most powerful DB2 edition.
B. DB2 Express is designed for development and testing. It is not used as a production database.
C. DB2 Express has affordable licensing terms with all of the core features of the DB2 engine.
D. DB2 Express is a tool that allows DBAs to quickly solve complex database issues.
正解：C

質問 3：
What is the role of the DB2 task center?
A. The task center does not exist in DB2.
B. The DB2 task center is an automated feature in the DB2 product that monitors the heath of your DB2 database and executes tasks that maintain the health of your database. When they have been executed, tasks are listed for your review.
C. The DB2 task center displays all tasks that were completed to create your DB2 database. It allows you to make changes to the DB2 metadata only.
D. The DB2 task center is used to run or schedule tasks and to notify people about the status of completed tasks.
正解：D

質問 4：
How is DB2 installed on the server?
A. DB2 can only be purchased pre-installed on an IBM server. There is no need to ever installDB2.
B. DB2 can be installed using the DB2 installation wizard.
C. DB2 must be installed on RAM drive on the server to speed up performance of the database.
D. DB2 can only be installed from a command prompt using command-line entries.
正解：B

質問 5：
Which of the following options does NOT describe a benefit of DB2's Row Compression?
A. Compression allows you to store the same amount of data in less space, which can significantly save storage costs.
B. Compression allows you to cache more data in the buffer pools using the same amount of space.
C. Compression allows you to reduce CPU workload because there is less data to process.
D. Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
正解：C

質問 6：
Which one of the following options is TRUE about High Availability and Disaster Recovery (HADR) feature?
A. HADR allows up to five HADR standby databases.
B. HADR allows up to four HADR standby databases.
C. HADR allows up to two HADR standby databases.
D. HADR allows up to three HADR standby databases.
正解：D

質問 7：
What is the DB2 Design Advisor?
A. 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.
B. The DB2 Design Advisor is a tool that can be used to automatically create tables based on a physical data diagram.
C. The DB2 Design Advisor is a tool that automatically analyzes your running database and continuously makes changes to your database to give it peak performance.
D. The DB2 Design Advisor is a tool that can help you improve your database workload performance. Given a set of SQL statements in a workload, the Design Advisor can generate recommendations to improve the performance of SQL execution.
正解：D

質問 8：
Which one of the following statements is true?
A. Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in hierarchical sequence) for which there is space. The remainingsegments of the database record are put in the overflow dataset.
B. Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in insertion sequence).
C. Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in hierarchical sequence).
D. Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in insertion sequence) for which there is space. The remainingsegments of the database record are put in the overflow dataset.}
正解：A

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IBM Certified Database Administrator - IBM IMS 認定 C2090-548 試験問題:

1. Which one of the following options is TRUE about High Availability and Disaster Recovery (HADR) feature?

A) HADR allows up to five HADR standby databases.
B) HADR allows up to four HADR standby databases.
C) HADR allows up to two HADR standby databases.
D) HADR allows up to three HADR standby databases.

2. Which of the following options does NOT describe a benefit of DB2's Row Compression?

A) Compression allows you to store the same amount of data in less space, which can significantly save storage costs.
B) Compression allows you to cache more data in the buffer pools using the same amount of space.
C) Compression allows you to reduce CPU workload because there is less data to process.
D) Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).

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

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

4. How is DB2 installed on the server?

A) DB2 can only be purchased pre-installed on an IBM server. There is no need to ever installDB2.
B) DB2 can be installed using the DB2 installation wizard.
C) DB2 must be installed on RAM drive on the server to speed up performance of the database.
D) DB2 can only be installed from a command prompt using command-line entries.

5. What are DB2 access plans?

A) An access plan is the result of the planning phase for the installation of the DB2 product. Ittakes into account who will access the database and which permissions they will have.
B) An access plan is part of the security audit that is performed by the DBA, with assistance fromthe network administrator, to list who will have access to database from the point of view of theoperating system.
C) An access plan is one that specifies an order of operations for accessing data in a SQL query.It lets you view statistics for selected tables, indexes, or columns; properties for operators;global information, such as table space and function statistics; and configuration parametersrelevant to optimization.
D) An access plan is a plan that is created for each table, describing which users or queries willhave access to the data that is contained in that particular table.

質問と回答：

質問 # 1
正解： D

質問 # 2
正解： C

質問 # 3
正解： A

質問 # 4
正解： B

質問 # 5
正解： C