Tag: mainframe

Questions Related to mainframe

The physical storage used in Z/OS is

  1. Internal storage or real storage or central storage or processor storage

  2. External storage or paging storage or auxiliary storage

  3. Virtual storage

  4. All


Correct Option: A,B

Which one of the following is true about Central and Auxiliary storage in Z/OS

  1. Central storage is accessed asynchronously with the processor and Auxiliary storage is accessed synchronously

  2. Central storage is accessed synchronously with the processor and Auxiliary storage is accessed asynchronously

  3. Both Central storage and Auxiliary storage is accessed asynchronously with the processor

  4. Both Central storage and Auxiliary storage is accessed synchronously with the processor


Correct Option: B

Z/OS uses which physical storage for virtual storage

  1. Central storage

  2. Auxiliary storage

  3. Both 1 & 2

  4. None


Correct Option: C

Z/OS supports

  1. 32-bit long addresses

  2. 64-bit long addresses

  3. 8-bit long addresses

  4. 16-bit long addresses


Correct Option: B
  1. Goal achievement - assigning sysplex resources to workloads based on their importance

  2. Throughput - optimal use of the system resources from the system point of view

  3. Response and turnaround time - optimal use of system resources from the point of view of the individual address space

  4. All of the above


Correct Option: D

Datamanagement activities in Z/OS can be done both Both manually and automated process

  1. True

  2. False


Correct Option: A

The primary means of managing storage in z/OS is

  1. Data Facility Storage Management Subsystem (DFSMS)

  2. Data Storage Facility Management Subsystem (DSFMS)

  3. Data Storage Facility Management System (DSFMS

  4. Data Facility Storage Management System (DFSMS)


Correct Option: A

What is meant by a run?

  1. Program

  2. ECL

  3. Sub-routine

  4. Proc


Correct Option: B

What is the maximum number of area you can open with a single OPEN statement?

  1. 27

  2. 37

  3. 47

  4. 57


Correct Option: C