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

1. 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) 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) STMM allows DBAs to inspect the current memory allocation by buffer pools.

2. How can you verify that a DB2 installation was successful?

A) Verification is automatically performed by the AUTO_CONFIGURE feature.
B) Verification can be done by successfully creating a SAMPLE database and running SQL commands to retrieve sample data.
C) Verification is completed by the DBA using the database verification toolkit.
D) Verification is performed by running the VERIFY INSTALL command.

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

A) When a WLM threshold condition is violated an action is executed in order to maintain stability in the system.
B) DB2 Workload Management allows dynamic re-prioritization of work by remapping a workload to a different service class.
C) DB2 Workload Management dispatcher can be used to control sharing of memory resources among active workloads.
D) DB2 Workload Management uses workloads to identify incoming work based on the connection attributes under which the work is submitted.

4. What does the table partitioning feature in DB2 allow you to do?

A) Table partitioning allows you to make smaller tables automatically from large tables, thereby increasing the performance of your DB2 database.
B) Table partitioning allows you to create very large tables that are divided across multiple storage objects so that you can quickly attach and detach large quantities of data from the tables.
C) Table partitioning allows you to partition the table data based on the hash values of the primary key.
D) Table partitioning allows you to create result set tables from a join query, which automatically splits the data into smaller chunks, thereby increasing the performance of your DB2 database.

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