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mainframe Online Quiz - 144

Description: mainframe Online Quiz - 144
Number of Questions: 20
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Tags: mainframe
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How many extents are possible for a sequential file,VSAM file

technology mainframe

  1. 10 for sequential, 120 for VSAM

  2. 16 for sequential, 123 for VSAM

  3. 10 for sequential, 10 for VSAM

  4. 16 for sequential, 16 for VSAM

Show answer
Correct Option: B

If you do not know the space required by a dataset then you allocate the maximum space to it. How do you free up the unused spaces.

technology mainframe

  1. Use Unallocate

  2. Use RLSE parameter in SPACE

  3. both of the above

  4. none of the above

Show answer
Correct Option: B

What does Time=1440 sgnify?

technology mainframe

  1. The job can execute for 1440 CPU secs

  2. The job can execute for 1440 CPU minutes

  3. No CPU time limit to be applied

  4. None of the above

Show answer
Correct Option: C

AI Explanation

To answer this question, you need to understand the significance of the value "1440" in the context of time limits for job execution.

Option A) The job can execute for 1440 CPU seconds - This option is incorrect because the value "1440" does not represent CPU seconds. It represents a different concept.

Option B) The job can execute for 1440 CPU minutes - This option is incorrect because the value "1440" does not represent CPU minutes. It represents a different concept.

Option C) No CPU time limit to be applied - This option is correct. The value "1440" signifies that there is no CPU time limit to be applied to the job. The job can execute without any restrictions on the amount of CPU time it consumes.

Option D) None of the above - This option is incorrect because Option C is the correct answer.

The correct answer is Option C. This option is correct because the value "1440" signifies that there is no CPU time limit to be applied to the job.

What is the prefix character for the symbolic parameters
technology mainframe

  1. %

  2. @

  3. &

  4. #

Show answer
Correct Option: C

What is the purpose of the REGION keyword

technology mainframe

  1. specifies the amount of space required by a step

  2. specifies the amount of space required by a job

  3. both of the above

  4. none of the above

Show answer
Correct Option: C

If a generation data set is specified as input without the generation number, what will the input to the DD ?
technology mainframe

  1. the most recent generation created

  2. the last reference to GDG no in step

  3. concatenation of all the cataloged generations

  4. JCL error retunred by the job

Show answer
Correct Option: C

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?
technology mainframe

  1. Without the generation number

  2. As the (+1) generation

  3. As the (0) generation

  4. Either option 1 or 2

  5. Either option 1 or 3

Show answer
Correct Option: B

What parameter of the job statement is used to limit the CPU time consumed by the job?

technology mainframe

  1. RUNTIME

  2. TIME

  3. LIMIT

  4. EXECMAX

Show answer
Correct Option: B

What is the purpose of DD DUMMY statement

technology mainframe

  1. Marks a deleted DD statement

  2. Specifies no space allocation & no disposition processing

  3. Suppress command processing

  4. Begins an interpreted command stream

Show answer
Correct Option: B

What is the maximum length of a single line of JCL

technology mainframe

  1. 71

  2. 80

  3. 60

  4. 55

Show answer
Correct Option: A

AI Explanation

To answer this question, you need to understand JCL (Job Control Language) and its limitations.

JCL is a scripting language used on IBM mainframe systems to control batch processing. Each line of JCL has a maximum length that must be adhered to for the JCL to be processed correctly.

The correct answer is A) 71.

The maximum length of a single line of JCL is 71 characters. This limitation is due to the historical restrictions of punched cards, which were used as input for mainframe systems. Punched cards typically had 80 columns, but the last 9 columns were reserved for sequence numbers and other control information. Therefore, only the first 71 columns of a punched card were used for JCL statements.

While the correct answer is A) 71, it's worth noting that modern JCL systems can often handle lines of up to 80 characters. However, to ensure compatibility with older systems and to maintain consistency, it is generally recommended to limit JCL statements to 71 characters.

1) Can I redefine an X(200) field with a field of X(100).

technology mainframe

  1. True

  2. False

Show answer
Correct Option: A

2) What is the file status for Logic error?
technology mainframe

  1. 44

  2. 92

  3. 61

  4. 89

Show answer
Correct Option: B

3) What compiler option would you use for dynamic linking?

technology mainframe

  1. DYNM

  2. NDYNAM

  3. DYNA

  4. DYNAM

Show answer
Correct Option: D

4) The maximum number of dimensions that an array can have in COBOL-85 is -----?

technology mainframe

  1. 6

  2. 8

  3. 7

  4. 9

Show answer
Correct Option: C

AI Explanation

To answer this question, we need to understand the maximum number of dimensions that an array can have in COBOL-85.

Option A) A. 6 - This option is incorrect because the maximum number of dimensions in COBOL-85 is not 6.

Option B) B. 8 - This option is incorrect because the maximum number of dimensions in COBOL-85 is not 8.

Option C) C. 7 - This option is correct. In COBOL-85, the maximum number of dimensions that an array can have is 7.

Option D) D. 9 - This option is incorrect because the maximum number of dimensions in COBOL-85 is not 9.

The correct answer is C. The maximum number of dimensions that an array can have in COBOL-85 is 7.

DCB for LOADLIB should be
technology mainframe

  1. LRECL= 80, RECFM=FB

  2. LRECL=225, RECFM=VB

  3. LRECL=80,RECFM=U

  4. LRECL=80, RECFM=VB

Show answer
Correct Option: C

Which is not the stage in Endevor Life cycle?
technology mainframe

  1. UT

  2. QA

  3. INT

  4. None

Show answer
Correct Option: D

Which of the below is incorrect taking Endevor advantage into consideration?
technology mainframe

  1. Traceability

  2. Audit or verify any Action

  3. Not version control

  4. Creation of executables automatically

Show answer
Correct Option: C

What is the minimum number of environment stages in Endevor?
technology mainframe

  1. 4

  2. 2

  3. 3

  4. 1

Show answer
Correct Option: B

What functions can be performed in Endevor?
technology mainframe

  1. View and retrieve prior levels of elements

  2. Only view prior levels of elements

  3. Only retrieve prior levels of elements

  4. None

Show answer
Correct Option: A

Integration stage procedure includes the following
technology mainframe

  1. Retrieving elements from production

  2. changing elements

  3. Moving elements to production

  4. All of the above

Show answer
Correct Option: D
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