IBM IBM Mastery P2090-018

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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 sentences does NOT describe a benefit of Temporal Tables?

A) Temporal tables provide a quick and easy way to track and record data changes in the table.
B) 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.
C) 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.
D) Temporal tables allow better data management by letting the application control data integrity and uniqueness.

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 validates that you are who you claim to be by verifying your user ID and password.
D) Authorization is a process that checks whether you have sufficient privileges to perform the desired database operation.

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

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

A) Verification is performed by running the VERIFY INSTALL command.
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 automatically performed by the AUTO_CONFIGURE feature.

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