Tag: mainframe

Questions Related to mainframe

To receive input from the screen, we use the command:
technology mainframe

  1. READ

  2. PULL

  3. ACCEPT

  4. RECEIVE

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Correct Option: B

Indicate the correct statement: REXX functions consist of a function name, immediately followed by its arguments coded between parentheses and separated by commas.
technology mainframe

  1. This is only true if there are arguments, otherwise the parentheses must be excluded.

  2. This is also true if there are no arguments, but the parentheses can be omitted.

  3. This is also true if there are no arguments, the parentheses must be included.

  4. This is always true, since there are no functions without arguments.

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Correct Option: C

Given that var_1 = 'Abc123', what is the result of DATATYPE(var_1,N)?
technology mainframe

  1. '123'

  2. 'Abc123'

  3. 1

  4. 0

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Correct Option: D

What is the result of TRUNC(12.3456,3)?
technology mainframe

  1. 12.3

  2. 12.3000

  3. 12.346

  4. 12.345

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Correct Option: D

Complete correctly: When calling a subroutine with the clause CALL 'SUBROUT1',...
technology mainframe

  1. the external subroutine SUBROUT1 will be executed, bypassing any internal subroutines.

  2. the internal subroutine SUBROUT1 will be executed; external subroutines aren't called.

  3. the internal subroutines will be searched for SUBROUT1; only if there isn't an internal one, the external SUBROUT1 will be executed.

  4. an error will occur; subroutine names must never be coded between quotes.

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Correct Option: A

How can an in-stream dataset be terminated
technology mainframe

  1. //

  2. //*

  3. /*

  4. None of the above

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Correct Option: C

What is the function of the DD DCB keyword
technology mainframe

  1. Begins the subparameters of the DCB

  2. Begins the DASD control block

  3. Marks the close of the DCB

  4. Modifies the record type parameters

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Correct Option: A

Concerning the shielding of variables of an internal subroutine from the main EXEC part, which of the following is correct:
technology mainframe

  1. One can not shield variables in a subroutine from the main EXEC, only from other subroutines.

  2. One can shield the variables by using the clause: CALL SUBROUT1 PROCEDURE

  3. One can shield the variables by defining the start clause of a subroutine:SUBROUT1: PROCEDURE

  4. One can shield the variables by defining the start clause of a subroutine: SUBROUT1: SHIELDED

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Correct Option: C

What is the maximum length of a single line of JCL
technology mainframe

  1. 71 bytes

  2. 60 bytes

  3. 55 bytes

  4. 80 bytes

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Correct Option: A

What is the purpose of DD DUMMY statement
technology mainframe

  1. Marks a deleted DD statement

  2. Begins an interpreted command stream

  3. Specifies no space allocation & no disposition processing

  4. Suppress command processing

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Correct Option: C