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IBM Certified Database Administrator - IBM IMS Sample Questions:
1. Which of the following options does NOT describe a benefit of DB2's Row Compression?
A) Compression allows you to cache more data in the buffer pools using the same amount of space.
B) Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
C) Compression allows you to store the same amount of data in less space, which can significantly save
storage costs.
D) Compression allows you to reduce CPU workload because there is less data to process.
2. Which of the following options best defines the Label-Based Access Control (LBAC) feature?
A) DB2 LBAC monitors table data access and tables modifications made by database users.
B) DB2 LBAC allows you to use labels to reference database objects by a short name instead of the full
qualified name.
C) 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.
D) DB2 LBAC is the DB2 authority in charge of issuing GRANT and REVOKE statements.
3. Using the sample IBM supplied authorization exit, which authorization ID setting will be ensured?
A) The initial primary authorization ID remains the primary ID, the SQL ID is set equal to the RACF ID of
the DB2 subsystem.
B) The initial primary authorization ID is unchanged as the DB2 primary ID, and the SQL ID is made equal
to the DB2 primary ID, and one secondary ID exists and is the name passed by CICS or IMS.
C) The initial primary authorization ID remains the primary ID, the SQL ID is set equal to the primary ID,
and the list of DB2 secondary IDs is set to the list of group names to which the RACF user ID is
connected.
D) The initial primary authorization ID is set to the same value as the first secondary ID.
4. What are private buffer pools are used for?
A) KSDSs
B) OSAM datasets
C) DEDBs
D) HALDBs
5. What are database authorities in DB2?
A) Database authorities is a DB2 toolkit application that allows the DBA to set up privileges for the super
users who will administer the database.
B) Database authorities provide a way both to group privileges and to control maintenance andutility
operations for instances, databases, and database objects.
C) Database authorities do not exist in DB2.
D) Database authorities are the main DBAs that control schema development in DB2.
Solutions:
Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: B |