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IBM P2090-018 Exam Syllabus Topics:

IBM Information Management DB2 10 Technical Mastery Test v3 Sample Questions:

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

A) DB2 Workload Management guarantees the availability of data by replicating it to a stand-by server.
B) DB2 Workload Management requires several application changes in order to make the application aware of the WLM feature.
C) DB2 Workload Management can be used to schedule maintenance tasks such as BACKUPs, REORGs, or RUSTATS.
D) DB2 Workload Management allows you to assign resources to different workloads, which leads to a stable and predictable execution environment.

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

A) LBAC allows you to protect access only to rows, while RCAC allows you to protect both rows and columns.
B) 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.
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) 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.

3. What is the DB2 Design Advisor?

A) The DB2 Design Advisor is a tool that can be used to automatically create tables based on a physical data diagram.
B) 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.
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.

4. Which one of the following sentences does NOT describe a benefit of Temporal Tables?

A) Temporal tables lower costs by eliminating the complexity for businesses to develop their own temporal support infrastructure, such as additional tables, triggers, and application logic.
B) Temporal tables provide a quick and easy way to track and record data changes in the table.
C) Temporal tables increase business insight by letting analysts understand how the business was doing in the past, what has changed in the present, what are the projections for the future.
D) Temporal tables allow better data management by letting the application control data integrity and uniqueness.

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