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mainframe Online Quiz - 22

Description: mainframe Online Quiz - 22
Number of Questions: 20
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Tags: mainframe
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What is the use of SUM FIELDS=NONE in SORT statement

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  1. (A) Have only Duplicate records from input to output

  2. (B) Remove Duplicates records and write as single instance in output

  3. (C) Have only non Duplicate records from input to output

  4. (D) None of the above

Show answer
Correct Option: B

Which of the following is correct

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  1. A. Plan – Package – collection – DBRM

  2. B. Plan-Package – DBRM – collection

  3. C. Plan – collection – package – DBRM

  4. D. None

Show answer
Correct Option: C

Which of the following is true about Level numbers?

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  1. (A) Level numbers can start from 0 to 99 and there are no Special Level numbers

  2. (B) Level numbers can start from 0 to 99 and 66, 77 and 88 are Special Level number

  3. (C) Level numbers can start from 0 to 49 and there are no Special Level numbers

  4. (D) Level numbers can start from 0 to 49 and 66, 77 and 88 are Special Level numbers.

Show answer
Correct Option: D

In a Proc, if a particular Step is set to execute only on below COND parameter. (4,LT,STEP330),(4,LT,STEP340) What does it mean?

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  1. (A) Only Execute if Step330 and 340 throws <= 4

  2. (B) Only Execute if Step330 or 340 throws <= 4

  3. (C) Only Execute if Step330 and 340 throws = 0

  4. (D) Only Execute if Step330 or 340 throws = 0

Show answer
Correct Option: C

What is the parameter of REGION to be given to pick maximum space declared

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  1. (A) REGION=0K OR 0M

  2. (B) REGION=OK or OM

  3. (C) REGION=0M

  4. (D) REGION=OM

Show answer
Correct Option: A

What is the DISP parameter given to append records with existing?

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  1. (A) SHR

  2. (B) OLD

  3. (C) NEW

  4. (D) MOD

Show answer
Correct Option: D

Which of the below lines of PARA-A has COBOL rules missed. PARA-A. IF A=B (Line No.1) NEXT SENTENCE (Line No.2) ELSE (Line No.3) IF C=D (Line No.4) Move 20 to C (Line No.5) Move A B to C (Line No.6) Move B to C D (Line No.7) End-If (Line No.8) Move A to B (Line No.9) Move C to D (Line No.10) PARA-EXIT. EXIT.

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  1. (A) END-IF was missed for a IF

  2. (B) Dot was missed in last line of PARA-A(line no.10)

  3. (C) Line No. 7

  4. (D) Line No. 6

Show answer
Correct Option: B

What is the difference between COMP and COMP-3?

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  1. (A) COMP is a Binary storage format while COMP-3 is Packed decimal format

  2. (B) COMP is a Packed decimal format while COMP-3 is Binary storage format

  3. (C) Both COMP and Comp-3 are Binary storage format

  4. (D) Both COMP and COMP-3 are Packed decimal format.

Show answer
Correct Option: A

AI Explanation

To answer this question, you need to understand the difference between COMP and COMP-3 data types in COBOL.

Option A) COMP is a Binary storage format while COMP-3 is a Packed decimal format - This option is correct.

  • COMP is a binary storage format used for storing numeric values as binary integers. It uses one byte for each digit of the number.
  • COMP-3, also known as packed decimal or packed numeric, is a format used for storing decimal numbers in a packed format. It uses half a byte (nibble) for each digit of the number, with the last nibble used for storing the sign of the number.

Option B) COMP is a Packed decimal format while COMP-3 is a Binary storage format - This option is incorrect.

  • The statement in this option is reversed. COMP is a binary storage format, not a packed decimal format.

Option C) Both COMP and COMP-3 are Binary storage format - This option is incorrect.

  • COMP-3 is not a binary storage format. It is a packed decimal format.

Option D) Both COMP and COMP-3 are Packed decimal format - This option is incorrect.

  • COMP is not a packed decimal format. It is a binary storage format.

The correct answer is A) COMP is a Binary storage format while COMP-3 is a Packed decimal format. This option is correct because it accurately describes the difference between COMP and COMP-3 data types in COBOL.

Which of the below JCL statement(s) not allowed in Proc.

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  1. (A) Job Delimiter /*

  2. (B) Joblib

  3. (C) Exec

  4. (D) None

Show answer
Correct Option: A

AI Explanation

To answer this question, you need to understand the JCL (Job Control Language) statements and their usage.

Let's go through each option to understand why it is correct or incorrect:

Option A) (A) Job Delimiter /* - This option is incorrect because the Job Delimiter statement (/*) is allowed in JCL and is used to mark the beginning of a job. It is not specific to the Proc statement.

Option B) (B) Joblib - This option is incorrect because the Joblib statement is allowed in Proc and is used to specify a library dataset that contains the JCL for the job step.

Option C) (C) Exec - This option is incorrect because the Exec statement is allowed in Proc and is used to specify the program or procedure to be executed in the job step.

Option D) (D) None - This option is incorrect because there are JCL statements that are not allowed in Proc, such as the DD (Data Definition) statements that are used to define input and output datasets.

Based on the given options, the correct answer is A. The Job Delimiter statement (/*) is allowed in JCL and is not specific to the Proc statement.

In the IEBGENER utility, what is the maximum number of datasets can be used in SYSUT1.

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  1. (A) 16

  2. (B) 24

  3. (C) 32

  4. (D) 48

Show answer
Correct Option: C

While running a JCL, what at is the abend thrown for time out?

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  1. (A) S322

  2. (B) SB37

  3. (C) S122

  4. (D) SOC7

Show answer
Correct Option: A

What is the syntax to Restart from a particular step in a Proc, but subsequent steps not to be executed. No NULL should be placed in Proc.

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  1. (A) RESTART= STEPNO

  2. (B) RESTART=PROCNAME.STEPNO

  3. (C) RESTART= STEPNO, COND=(0,LE)

  4. (D) RESTART=PROCNAME.STEPNO,COND=(0,LE)

Show answer
Correct Option: D

Which of the following is true about a VSAM file?

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  1. (A) Should have a Key of any length and anywhere

  2. (B) Value of Records in Key should be in sorted order

  3. (C) VSAM file cannot have a Total Length as Key

  4. (D) Key should start only at first byte.

Show answer
Correct Option: A

Suppose if the Variables A and B are declared as S9(7) and 9(7). Which of the below statement(s) violate COBOL rules.

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  1. (A) Compute A = A / 10

  2. (B) Multiply B by 100

  3. (C) Move 80 to B C

  4. (D) Move 10 to A B.

Show answer
Correct Option: B

Suppose if a Dataset is created with RECFM=FBA, and then if the same is browsed, what is the Total length observed.

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  1. (A) Total length declared

  2. (B) Total Length declared – 1

  3. (C) Total Length declared + 1

  4. (D) None of the above

Show answer
Correct Option: B

A KSDS VSAM has both data and index components. Is this statement

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  1. (A) True

  2. (B) False.

  3. NA

  4. Na

Show answer
Correct Option: A

Can a file declared in Cobol program be ran in Jcl without having it.

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  1. (A) Yes

  2. (B) No

  3. NA

  4. Na

Show answer
Correct Option: A

How do you check syntax of JCL without running it?

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  1. (A) JSCAN

  2. (B) TYPERUN=SCAN on Job card

  3. (C) TYPERUN=JEM on Job card

  4. (D) (a) or (b)

Show answer
Correct Option: D

VERIFY can be used for Empty datasets. Is this statement

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  1. (A) True

  2. (B) False.

  3. NA

  4. Na

Show answer
Correct Option: B

Can a field X(10) be redefined with S9(12).

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  1. (A) Yes

  2. (B) No

  3. NA

  4. Na

Show answer
Correct Option: A
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