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mainframe Online Quiz - 25

Description: mainframe Online Quiz - 25
Number of Questions: 20
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Tags: mainframe
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READ PHYSICAL is less effecient then READ LOGICAL

technology mainframe

  1. True

  2. False

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Correct Option: B

JCL means?

technology mainframe

  1. Job Centre Language

  2. Job Control Language

  3. Job Comitte Language

  4. Job Control Limit

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Correct Option: B

What is IDMS?

technology mainframe

  1. Integrated Data Management System

  2. Integrala Data Maintenance System

  3. Integrated Data Maintenance System

  4. Integral Data Management System

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Correct Option: A

choose the three different type of vsam files available

technology mainframe

  1. esds

  2. ksds

  3. rrds

  4. asds

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Correct Option: A,B,C

AMS commands can be run from TSO prompt

technology mainframe

  1. True

  2. False

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Correct Option: A

AI Explanation

To answer this question, you need to understand the concepts of AMS commands and TSO prompt.

Option A) True - This option is correct. AMS (Access Method Services) commands can indeed be run from the TSO (Time Sharing Option) prompt. TSO is an interactive command processor that allows users to enter commands to perform various tasks on an IBM mainframe system. AMS commands are used for managing and manipulating datasets and resources on the mainframe system, such as creating, deleting, renaming, or copying datasets.

Option B) False - This option is incorrect. AMS commands can be run from the TSO prompt, so the correct answer is A) True.

The correct answer is A) True. This option is correct because AMS commands can be executed from the TSO prompt.

FREESPACE can be specified in ESDS

technology mainframe

  1. True

  2. False

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Correct Option: B

file status on 02 on a VSAM dataset indicates duplitcate alternate key.

technology mainframe

  1. True

  2. False

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Correct Option: A

In the context of mainframe, Full form of PDF?

technology mainframe

  1. Portable Format Reader

  2. Portable File Reader

  3. Production Development Facility

  4. Program Development Facility

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Correct Option: D

Which portion(columns) is called Identification area in cobol?

technology mainframe

  1. 01-06

  2. 08-72

  3. 73-80

  4. 07-08

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Correct Option: C

Can we MOVE Alphanumeric to numeric edited?

technology mainframe

  1. Yes. We can move

  2. Only if the sending field is an unsigned integer.

  3. No. We cannot move

  4. Only if the sending field is signed integer.

Show answer
Correct Option: B

In PIC zzz9, What does z means?

technology mainframe

  1. zero comp digit

  2. zero suppressed digit

  3. zero edited digit

  4. zero packed digit

Show answer
Correct Option: B

AI Explanation

To answer this question, you need to understand the format specifier "zzz9" in PIC (Picture) clause used in COBOL programming.

In PIC zzz9, the "z" represents a zero suppressed digit.

Option A) Zero comp digit - This option is incorrect because "z" does not stand for zero comp digit. Zero comp digit is represented by "9" in COBOL. Option B) Zero suppressed digit - This option is correct because "z" in PIC zzz9 represents a zero suppressed digit. Option C) Zero edited digit - This option is incorrect because "z" does not stand for zero edited digit. Option D) Zero packed digit - This option is incorrect because "z" does not stand for zero packed digit.

The correct answer is B) Zero suppressed digit. This option is correct because "z" in PIC zzz9 represents a zero suppressed digit.

In Which area, the level 77 should be coded?

technology mainframe

  1. Area A

  2. Area B

  3. All of the above

  4. None of the above

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Correct Option: A

PIC S999 VALUE 5231. What would be the value getting stored in memory?

technology mainframe

  1. 523

  2. 231

  3. +523

  4. -523

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Correct Option: B

Which is the correct ASCII collating sequence?

technology mainframe

  1. spaces,a-z,A-Z,0-9,special characters

  2. a-z,A-Z,0-9,spaces,special characters

  3. 0-9,special characters,spaces,a-z,A-Z

  4. spaces,special characters,0-9,A-Z,a-z

Show answer
Correct Option: D

The COBOL perform loop is the equivalent of which of the following structures found in other languages such as Java or C++

technology mainframe

  1. For loop

  2. Do-While loop

  3. Method

  4. All of the above

  5. None of the above

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Correct Option: B

If someone wanted a COBOL perform "loop" to execute once before the condition is checked, which of the following would they do?

technology mainframe

  1. use a standard perform statement

  2. use an in line perform

  3. skillful use of the COBOL reserved word "AFTER"

  4. This is not possible in COBOL

Show answer
Correct Option: C

Not Negative means

technology mainframe

  1. Equal to 0

  2. Greater than or equal to 1

  3. Less than or equal to 0

  4. Greater than or equal to 0

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Correct Option: D

This describes the type and location of data sets on the volume

technology mainframe

  1. VOTC

  2. COTV

  3. VTOC

  4. COVT

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Correct Option: C

Max No of DD statements allowed in a JOB

technology mainframe

  1. 3273

  2. 3237

  3. 1024

  4. Nolimit

Show answer
Correct Option: A

What is the use of IEHPROGM utility?

technology mainframe

  1. To maintain and manage catalogs

  2. To compare two datasets at record level

  3. It is a null program

  4. To copy a VSAM dataset to a flat file

Show answer
Correct Option: A

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) To maintain and manage catalogs - This option is correct. The IEHPROGM utility is used to maintain and manage catalogs in IBM mainframe systems. Catalogs contain information about datasets, such as their names, types, and locations. The utility allows you to create, update, and delete catalog entries.

Option B) To compare two datasets at record level - This option is incorrect. The IEHPROGM utility is not used to compare datasets at the record level. There are other utilities, such as IEBGENER or IEBGENER, that can be used for dataset comparisons.

Option C) It is a null program - This option is incorrect. The IEHPROGM utility is not a null program. It is a utility program with a specific purpose.

Option D) To copy a VSAM dataset to a flat file - This option is incorrect. The IEHPROGM utility is not used to copy a VSAM dataset to a flat file. There are other utilities, such as IDCAMS or IEBGENER, that can be used for dataset copying.

The correct answer is A) To maintain and manage catalogs. This option is correct because the IEHPROGM utility is specifically designed for maintaining and managing catalogs in IBM mainframe systems.

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