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IBM Certified Database Administrator - IBM IMS Sample Questions:

1. What is a table space in DB2?

A) A table space is a logical storage grouping that can be composed of one or more containers.
B) A table space is an area of main memory that has been allocated by the database manager for the purpose of caching table and index data asit is read from the physical media.
C) A table space is a space reserved for catalog tables and base table data.
D) A table space is a DB2 component that manages access to databases.

2. With respect to DB2 security, what is authorization?

A) Authorization is the process where the DBA gathers information to see who will have access to the database.
B) Authorization is the process where the DB2 database checks with Windows security to see if you have access to the DB2 database.
C) Authorization is a process that checks whether you have sufficient privileges to perform the desired database operation.
D) Authorization is a process that validates that you are who you claim to be by verifying your user ID and password.

3. Which one of the following statements is true?

A) Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in insertion sequence) for which there is space. The remainingsegments of the database record are put in the overflow dataset.}
B) Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in insertion sequence).
C) Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in hierarchical sequence) for which there is space. The remainingsegments of the database record are put in the overflow dataset.
D) Each logical record in a HISAM database primary dataset contains the root plus alldependents of the root (in hierarchical sequence).

4. Which one of the following options is FALSE about DB2's Multi-Temperature Data Storage capability?

A) You can use storage groups to implement multi-temperature data management in DB2.
B) Multi-temperature data management best practices recommend that cold data should be stored in faster devices in order to maximize overall system performance.
C) Multi-temperature data management integrates with DB2's Workload Manager feature to let you prioritize your workloads based on the data being accessed.
D) Multi-temperature data management reduces the total cost of ownership by allowing efficient deployment of storage hardware with minimal administrative overhead.

5. 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.

Solutions: