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mainframe Online Quiz - 8

Description: mainframe Online Quiz - 8
Number of Questions: 20
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Tags: mainframe
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A BUFFER LENGTH OF 0 WAS SPECIFIED FOR A BDAM DATASET FOR WHICH DYNAMIC BUFFERING WAS REQUESTED.

technology mainframe

  1. S013 - 10

  2. S013 - 08

  3. S013 - 0C

  4. None of these

Show answer
Correct Option: C

A SEQUENTIAL OR DIRECT DATASET WAS OPENED FOR INPUT,BUT THE BUFFER CONTROL BLOCK ADDRESS WAS 0.

technology mainframe

  1. S013 - 34

  2. S013 - 38

  3. S013 - 3C

  4. S013 - 40

Show answer
Correct Option: D

AN INVALID RECORD FORMAT OF FBS OR FS WAS SPECIFIED FOR A PARTITIONED DATA SET.

technology mainframe

  1. S013 - C4

  2. S013 - C8

  3. S013 - CC

  4. S013 - D0

Show answer
Correct Option: D

AN UNAUTHORIZED PROGRAM REQUESTED A RESTRICTED SVC.

technology mainframe

  1. S047

  2. S04B

  3. S04E

  4. S052

Show answer
Correct Option: A

Advantages of VSAM:

technology 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

Show answer
Correct Option: B,C

KSDS file is loaded

technology mainframe

  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

Show answer
Correct Option: B

Default size of Control Interval (CI) for KSDS file

technology mainframe

  1. 4094 Bytes

  2. 4096 Bytes

  3. 4095 Bytes

  4. 4092 Bytes

Show answer
Correct Option: B

what is the meaning of KEYS(20 10)?

technology mainframe

  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

Show answer
Correct Option: D

BUFNI and BUFND

technology mainframe

  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

Show answer
Correct Option: D

The range of value for KEYS

technology mainframe

  1. 1 to 255

  2. 1 to 4096

  3. 1 to 510

  4. 1 to 4095

Show answer
Correct Option: A

The record keys in a CI are 50, 200, and 400. The CI is full, and there is NO free space allocated. What will happen when key 300 is added to the data set shown above?

technology mainframe

  1. VSAM will return an error message to the program, because the file is out of space

  2. It will be placed in a new CI by itself. This is a CI split.

  3. Record 300 will be placed in the place where 400 was & Record 400 will be moved to a new CI

  4. Either 2 or 3 depending on some contraints

Show answer
Correct Option: C

How are EXPORT and REPRO files different

technology mainframe

  1. EXPORT stores data in a compressed format. REPRO stores data uncompressed.

  2. EXPORT and IMPORT are terms that are part of the REPRO command so there is actually no difference

  3. EXPORT files contain the data and index portion of the data set. REPRO files contain only the data portion

  4. EXPORT files contain all of the data set components, including attributes. REPRO files contain only the data

Show answer
Correct Option: C

What is the expansion of JCL ?

technology mainframe

  1. Job Cal Language

  2. Job Control Language

  3. Jobcal Control Language

  4. None of the above

Show answer
Correct Option: B

How many fields does JCL has?

technology mainframe

  1. 3

  2. 7

  3. 5

  4. 4

Show answer
Correct Option: C

Name field is optional field. If coded should start at ? and field length ?

technology mainframe

  1. 3,8

  2. 2,9

  3. 2,8

  4. 3,9

Show answer
Correct Option: A

'EXEC' in JCL specifies ?

technology mainframe

  1. None.

  2. Program

  3. Identify cobal Program

  4. Program to be executed

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Correct Option: D

A JCL program help in ?

technology mainframe

  1. To copy COBAL , ASM code on MVS operation system.

  2. To move COBAL, ASM on MVS operation system.

  3. Running a job on MVS operation system, which is a communicator btw COBAL, ASM or PL/I and OS.

  4. None of the above

Show answer
Correct Option: C

JES
technology mainframe

  1. JOB Entry Sub-System

  2. JOB Entry Syntax

  3. JOB Entry System

  4. None of the above

Show answer
Correct Option: C

types of JES are:

technology mainframe

  1. JES1

  2. JES2

  3. JES3

  4. JES4

Show answer
Correct Option: B,C

AI Explanation

To answer this question, you need to understand the different types of Job Entry Subsystems (JES) in mainframe systems. Let's go through each option to understand why it is correct or incorrect:

Option A) JES1 - This option is incorrect because JES1 is not a valid type of JES. JES1 does not exist as a separate subsystem in mainframe systems.

Option B) JES2 - This option is correct. JES2 is one of the types of Job Entry Subsystems (JES) in mainframe systems. It is responsible for managing the submission and execution of batch jobs.

Option C) JES3 - This option is correct. JES3 is another type of Job Entry Subsystem (JES) in mainframe systems. It provides advanced features for job management, such as job routing and workload balancing.

Option D) JES4 - This option is incorrect because JES4 is not a valid type of JES. JES4 does not exist as a separate subsystem in mainframe systems.

The correct answer is B, C. These options are correct because JES2 and JES3 are valid types of Job Entry Subsystems (JES) in mainframe systems.

which of the below will result in the maximum level-of-detail information to be spitted out in the Log-Report

technology mainframe

  1. MSGLEVEL=(0,1)

  2. MSGLEVEL=(1,0)

  3. MSGLEVEL=(0,0)

  4. MSGLEVEL=(1,1)

Show answer
Correct Option: D
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