Tag: mainframe

Questions Related to mainframe

  1. Sequential read is possible

  2. Free space in a VSAM File is reclaimed automatically

  3. VSAM Files are device and O/S independent

  4. None of the above


Correct Option: B,C
  1. Sequentially with descending order of the key

  2. Sequentially with ascending order of the key

  3. Randomly with descending order of the key

  4. Randomly with ascending order of the key


Correct Option: B
  1. 4094 Bytes

  2. 4096 Bytes

  3. 4095 Bytes

  4. 4092 Bytes


Correct Option: B
  1. The key is 10 bytes long and starts in the 21st byte of the record

  2. The key is 10 bytes long and starts in the 20th byte of the record.

  3. The key is 20 bytes long and starts in the 10th byte of the record.

  4. The key is 20 bytes long and starts in the 11th byte of the record


Correct Option: D
  1. As a part of Listcat, used to calculate the recommended number of Index or Data buffers for a given operation, i.e., sequential, random, etc

  2. To tell VSAM the parameters for Batch Update Function - Indexed (KSDS) or Batch Update Function - Data (ESDS) processing

  3. To tell VSAM to use the default number of index and data component buffers

  4. To allocate the number of index and data component buffers used


Correct Option: D
  1. 1 to 255

  2. 1 to 4096

  3. 1 to 510

  4. 1 to 4095


Correct Option: A