IBM P2090-018 : IBM Information Management DB2 10 Technical Mastery Test v3

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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 options is TRUE about DB2 pureScale?

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

2. What is a buffer pool in DB2?

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

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

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

4. 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).

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