P2090-054の無料問題集（70題）、P2090-054認定試験参考書

IBM P2090-054 問題集

試験コード：P2090-054

試験名称：IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3

最近更新時間：2024-11-15

問題と解答：全70問

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質問 1：
Which of the following is NOT a reason for a database administrator to place a DB2 pureScale node into maintenance mode?
A. To update the DB2 Cluster Services software.
B. To ensure that the system does not reboot when installing new software on the system.
C. When moving a server to a different location and requiring to disconnect it from the cluster.
D. To be able to perform software and hardware updates on both cluster caching facilities (primary and secondary) at the same time.
正解：D

質問 2：
Which of the following options is TRUE about the Row and Column Access Control (RCAC) feature?
A. In order to take advantage of this feature, applications must be changed to work with the RCAC feature.
B. Row and column level access control allows the creation of column masks that can control what column values a user is permitted to see.
C. Table data is protected against direct access to the table. Access using views is unrestricted.
D. Users with DATAACCESS authority are exempt from the Row and Column Access Control rules.
正解：B

質問 3：
How can you verify that a DB2 installation was successful?
A. Verification is performed by running the VERIFY INSTALL command.
B. Verification is completed by the DBA using the database verification toolkit.
C. Verification is automatically performed by the AUTO_CONFIGURE feature.
D. Verification can be done by successfully creating a SAMPLE database and running SQL commands to retrieve sample data.
正解：D

質問 4：
Which of the following options best describes the differences between Label Based Access Control (LBAC) and Row and Column Access Control (RCAC)?
A. 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.
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. 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.
D. LBAC allows you to protect access only to rows, while RCAC allows you to protect both rows and columns.
正解：C

質問 5：
Which one of the following options is CORRECT about DB2 pureScale feature?
A. DB2 pureScale persists data in the cluster caching facilities (CFs).
B. DB2 pureScale reduces the risk and cost associated with growing your distributed database solution by providing extreme capacity and application transparency.
C. DB2 pureScale is only available for DB2 Express-C and DB2 Advanced Enterprise Edition.
D. DB2 pureScale uses the same concept of HADR where the data is replicated from a primary database to a standby database.
正解：B

質問 6：
Which one of the following options is TRUE about DB2 pureScale?
A. DB2 pureScale feature supports multiple interconnects for the cluster caching facilities (CFs).
B. A DB2 pureScale installation is only supported on AIX platform.
C. DB2 pureScale feature supports multiple interconnects for both members and cluster caching facilities (CFs).
D. DB2 pureScale feature does not support range-partitioning tables.
正解：A

質問 7：
Where is data stored in a typical DB2 pureScale environment?
A. All members hold a local data partition of the database.
B. In a shared storage accessible by all members.
C. Data is permanently stored in the cluster caching facility.
D. Data is split among both, members and a shared storage.
正解：B

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IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3 認定 P2090-054 試験問題:

1. 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.

2. What is the purpose of the Self Tuning Memory Manager (STMM) in DB2?

A) The purpose of this feature is for the system to deliver to you a report of database tuning recommendations so that you can update the configuration parameters by hand.
B) STMM allows DBAs to inspect the current memory allocation by buffer pools.
C) This feature detects memory expansion in the database and delivers a warning to the DBA to let them know when the database is nearing a threshold memory allocation limit.
D) This feature reduces the task of configuring your DB2 server by continuously updating memory configuration parameters, resizing buffer pools, and dynamically determining the total amount of memory to be used by the database.

3. Which one of the following options is TRUE about DB2 pureScale?

A) DB2 pureScale feature supports multiple interconnects for the cluster caching facilities (CFs).
B) A DB2 pureScale installation is only supported on AIX platform.
C) DB2 pureScale feature supports multiple interconnects for both members and cluster caching facilities (CFs).
D) DB2 pureScale feature does not support range-partitioning tables.

4. Which one of the following options describes a benefit of Geographically Dispersed pureScale Cluster (GDPC)?

A) GDPC provides independent transaction processing, which means that on normal operations, each cluster caching facility is at a different location processing the transactions from the members on its respective location.
B) GDPC provides active / active system availability, which means that during normal operations, the pureScale members at both locations are sharing the workload between them as usual, maintaining an optimal level of activity on all members, both within and between locations.
C) GDPC provides active / active system availability, which means that during normal operations, the pureScale members at both locations are retrieving data from their local host discs, maintaining an optimal level of activity on all members, both within and between locations.
D) GDPC allows the placement of redundant cluster caching facilities at different locations. The pureScale members must be at the same physical location.

5. Each DB2 member in a DB2 pureScale environment has an associated database log.
Where is this log stored?

A) Shared storage.
B) Tie-breaker disk.
C) Locally on each member.
D) Cluster caching facility.

質問と回答：

質問 # 1
正解： D

質問 # 2
正解： D

質問 # 3
正解： A

質問 # 4
正解： B

質問 # 5
正解： A