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IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3 Sample Questions:

1. 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 allow better data management by letting the application control data integrity and uniqueness.
D) 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.

2. 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) HADR with multiple standbys supports reads on all standby databases.
D) Implementation of a row and column access control policy is transparent to applications accessing the database.

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

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

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

A) 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.
B) 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.
C) STMM allows DBAs to inspect the current memory allocation by buffer pools.
D) 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.

5. Which one of the following options is CORRECT?

A) DB2 pureScale transfers log files from a primary database to a standby database.
B) In both DB2 pureScale and HADR environments data is available all the time.
C) HADR persists data in the cluster caching facilities (CFs).
D) In a pureScale environment, the data is available all the time, while in a HADR environment the data is available most of the time.

Solutions: