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IBM C2090-548 Exam Syllabus Topics:

IBM Certified Database Administrator - IBM IMS Sample Questions:

1. What is a DB2 instance?

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

2. 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 store the same amount of data in less space, which can significantly save storage costs.
C) Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
D) Compression allows you to reduce CPU workload because there is less data to process.

3. How does automatic storage work in DB2?

A) Automatic storage is a function of DB2 that allows tables to be backed up automatically on a set schedule.
B) Automatic storage is an option which is set when you create a DB2 database. It allows transactions that are executed to be automatically committed.
C) Automatic storage simplifies storage management by allowing you to specify storage paths where the database manager can place table space data.
D) Automatic storage allows automatic allocation of free space in memory for optimizing query execution.

4. What is the purpose of the Adaptive, self-tuning memory allocation feature in DB2?

A) This feature will help to reduce the task of configuring your DB2 server by continuously updating 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 tuning specifications for the database so that you can update the configuration parameters by hand.
C) This feature will detect memory allocation expansion in the database and deliver a warning to the DBA to let them know when the database is nearing a threshold space allocation limit.
D) This feature does not exist in DB2.

5. What information is NOT included as part of a DB PCB returned to an application program?

A) Segment Length
B) Segment Name
C) Database Name
D) Status Code

Solutions: