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mainframe Online Quiz - 139

Description: mainframe Online Quiz - 139
Number of Questions: 20
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Tags: mainframe
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What does the INITIALIZE verb do?

technology mainframe

  1. Alphabetic, Alphanumeric fields & alphanumeric edited items are set to SPACES

  2. Numeric, Numeric edited items set to ZERO.

  3. FILLER , OCCURS DEPENDING ON items left untouched.

  4. All the Above.

Show answer
Correct Option: D

TYPE=SCAN What does it do?
technology mainframe

  1. Scans JCL for errors.

  2. Invalid Syntax

  3. Scans for previous executing jobs

  4. Does nothing!

Show answer
Correct Option: A

When I try to browse my Colleague's latest GDG tape version, What will I get?
technology mainframe

  1. What's the problem is browsing it? Only editing is not possible.

  2. Security Violation / Access Denied.

  3. Cant browse a latest GDG tape version.

  4. Cant browse a latest GDG tape version, but can browse own datasets.

Show answer
Correct Option: C

REPLACING option of a COPY statement will
technology mainframe

  1. Replace the copybook with another.

  2. The option is invalid with copy statement.

  3. It allows for the same copy to be used more than once in the same code by changing the replace value.

  4. Has no impact.

Show answer
Correct Option: C

How can I delete a record from an ESDS file?
technology mainframe

  1. Just go with normal delete process it will go fine.

  2. Can delete only if the record is obtained by a random read.

  3. Are you nuts? How can you delete a record from a ESDS file?

  4. Using SORT utility

Show answer
Correct Option: C

OCCURS clause cannot be used in 01 Level

technology mainframe

  1. Occurs clause in 01 cant be done because 01 is the top most level.

  2. Who said so, you can use it, I bet!

  3. Occurs clause is there to repeat fields with same format, not the records.

  4. Stack will over flow.

Show answer
Correct Option: C

AI Explanation

To answer this question, you need to understand the concept of the OCCURS clause in COBOL.

The OCCURS clause is used to define a table or array in COBOL. It specifies the number of occurrences of a field or group of fields within the table or array. The OCCURS clause can only be used with elementary data items (such as numeric or alphanumeric fields) and cannot be used with group items or record descriptions.

Option A) Occurs clause in 01 can't be done because 01 is the topmost level - This option is incorrect because the OCCURS clause can be used with elementary data items at the 01 level or any other level within the record description.

Option B) Who said so, you can use it, I bet! - This option is incorrect because it does not provide any explanation or reasoning.

Option C) Occurs clause is there to repeat fields with the same format, not the records - This option is correct. The OCCURS clause is used to repeat fields with the same format within a table or array. It does not repeat entire records.

Option D) Stack will overflow - This option is incorrect because it does not relate to the use of the OCCURS clause in COBOL.

The correct answer is C) Occurs clause is there to repeat fields with the same format, not the records. This option is correct because it accurately explains the purpose and usage of the OCCURS clause in COBOL.

EXIT - What does it do?
technology mainframe

  1. Does Nothing!

  2. Terminates the program.

  3. Terminates the paragraph.

  4. Terminates the loop.

Show answer
Correct Option: A

Maximum number of steps a job can have is
technology mainframe

  1. Unlimited

  2. 255

  3. 125

  4. Limited to business requirement

Show answer
Correct Option: B

What if you code GO BACK instead of STOP RUN in a independent COBOL program
technology mainframe

  1. What's the problem in it? Will go fine!

  2. Program goes in infinite loop.

  3. Program will not execute.

  4. Compiler throws error.

Show answer
Correct Option: B

How do you define COMP-1 / COMP-2?

technology mainframe

  1. DEFINE WS-VAR PIC(9) COMP-1

  2. 01 WS-VAR PIC(9) COMP-1

  3. 01 WS-VAR USAGE COMP-1

  4. Author should learn COBOL

Show answer
Correct Option: C

JUSTIFIED can be used only with the following data types :

technology mainframe

  1. ALPHABETIC, ALPHANUMERIC

  2. ALPHABETIC, ALPHANUMERIC, NUMERIC

  3. ALPHABETIC, NUMERIC

  4. ALPHANUMERIC, NUMERIC

Show answer
Correct Option: A

REDEFINE X(250) by X(245) - Is it possible

technology mainframe

  1. Yes

  2. No

  3. X(245) can be refined to X(250)

  4. Author should learn COBOL

Show answer
Correct Option: A

Modes to OPEN a file for writing :
technology mainframe

  1. INPUT

  2. I-O, OUTPUT

  3. I-O, OUTPUT, EXTEND

  4. OUTPUT, EXTEND

Show answer
Correct Option: D

Maximum number of in-stream procedures in a JCL can be

technology mainframe

  1. As usual, Unlimited.

  2. 1

  3. 15

  4. 255

Show answer
Correct Option: C

Maximum size of 01 level item?

technology mainframe

  1. Unlimited

  2. 16777215

  3. Limited to DASD

  4. Author should learn COBOL

Show answer
Correct Option: B

Where will be the sign stored in COMP field?

technology mainframe

  1. How can u store a sign in COMP?huh!

  2. You can store sign only in COMP-3

  3. Most significant bit

  4. Most significant byte

Show answer
Correct Option: C

Space allocated by OS when PS or PDS is created?
technology mainframe

  1. User Defined KB.

  2. Unlimited KB.

  3. Limited to DASD

  4. 56 KB

Show answer
Correct Option: D

Formula for calculating bytes required for COMP-3 variable

technology mainframe

  1. N/2 + 1

  2. N^2 + 1

  3. N+1/2

  4. (N/2)^2

Show answer
Correct Option: A

When you pass a table via LINKAGE, which of the following makes you a good programmer?

technology mainframe

  1. Subscript

  2. Index

  3. Either

  4. Author should learn COBOL

Show answer
Correct Option: D

A job can run continuously in mainframe for

technology mainframe

  1. 1440 Minutes

  2. 248 Days

  3. Forever

  4. Till Mainframe server is down

Show answer
Correct Option: B
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