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IBM P2090-018 Exam -

Free P2090-018 Sample Questions:

Q: 1
What is a DB2 instance?
A. A DB2 instance is just another name for DB2 Database.
B. A DB2 instance is a copy of a database that can be accessed standalone from the database server.
C. A DB2 instance is a logical database manager environment where you catalog databases and set configuration parameters.
D. DB2 does not use instances. It requires only databases to operate.
Answer: C

Q: 2
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.
Answer: B

Q: 3
Which one of the following options is CORRECT about Temporal Tables?
A. Temporal tables are complex to maintain and require major application changes.
B. Temporal tables require constant changes to the operating system timestamp in order to navigate through time in the database.
C. Temporal tables are used to model data in the past and present. They cannot be used to model data in the future.
D. Temporal tables are used to model data in the past, present, and future.
Answer: D

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