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

1. What is a buffer pool in DB2?

A) A buffer pool is a pool of connection buffers that increases performance of applications connecting to the DB2 server.
B) A buffer pool is a logical storage grouping composed of one or more containers.
C) A buffer pool is a DB2 component that manages connections to databases.
D) 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.

2. Which of the following is NOT valid state for the Cluster Caching Facility?

A) PEER
B) ONLINE
C) ERROR
D) PRIMARY

3. 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) 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.
D) 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.

4. DB2's High Availability and Disaster Recovery (HADR) feature provides a high availability solution for both partial and complete site failures. Given the sentences below, select the CORRECT statement about HADR.

A) HADR feature is only available for DB2 Advanced Enterprise Edition.
B) HADR protects against data loss by saving data changes from a source database into a local recovery log file.
C) HADR protects against data loss by replicating data changes from a backup database file to a standby database.
D) HADR protects against data loss by replicating data changes from a source database, called the primary, to a target database, called the standby.

5. Which of the following options best defines the Label-Based Access Control (LBAC) feature?

A) DB2 LBAC allows you to use labels to reference database objects by a short name instead of the full qualified name.
B) DB2 LBAC lets you decide exactly who has write/read access to individual rows and columns by comparing the security labels between database objects and users.
C) DB2 LBAC monitors table data access and tables modifications made by database users.
D) DB2 LBAC is the DB2 authority in charge of issuing GRANT and REVOKE statements.

Solutions: