100 Top JCL Multiple Choice Questions and Answers

Job Control Language JCL Multiple Choice Questions:-

What is JCL?
JCL = Job Control Language
Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem.

What is the function of DD DISP parameter?
(1) Tells the system what to do with the dataset following normal termination of the step

(2) Describes the status of the dataset

(3) Tells the system what to do with the dataset following abnormal termination of the step

(4) All of the above

Answer: 4

How is the record format of an output dataset specified?
(1) RECORD parameter

(2) STORCLAS parameter

(3) RECFM parameter

(4) None of the above

Answer: 3

What is the purpose of the DD * statement in JCL?
(1) Begins an input data prompt at the system console

(2) Begins an in-stream dataset

(3) Marks the end of a command stream

(4) Includes all datasets within a naming pattern

Answer: 2

ADD statement has 2 types of parameters. Name them?
(1) Positional, Keyword

(2) Keyword, Control

(3) Dynamic, Static

(4) Named, Dynamic

Answer: 1

What is the function of the JOB statement in JCL?
(1) Marks the end of a job

(2) Marks the beginning of an instream procedure

(3) Marks the beginning of a job & assigns a name to the job

(4) Assigns an execution priority to a job

Answer: 3

How can a job send a status message to a TSO user at the completion of a job?
(1) STATUS

(2) NOTIFY

(3) ENDMSG

(4) USER

Answer: 2

What is the function of a DD statement?
(1) Identifies & describes a dataset

(2) Delimits a DO loop

(3) Marks the start of a declarative section

(4) Delimits the start of an inline include section

Answer: 1

When output dataset space is required, what quantity categories are used?
(1) Primary, Secondary, Directory

(2) Address, Units, CONTIG or ALS

(3) Displacement and length

(4) Megabytes, Kilobytes, and Bytes

Answer: 1

What statement marks the beginning of a job step; assigns a name to the step; identifies the program or cataloged or in-stream procedure to be executed in the step?
(1) START

(2) RUN

(3) EXEC

(4) GO

Answer: 3

How can unused space allocation be returned to the system when a dataset is closed?
(1) RETURN

(2) RLSE

(3) CONTIG

(4) CLOSE

Answer: 2

Can an individual step be restricted from using all the jobs allowed CPU time?
(1) Yes

(2) No

(3) Only in Catalogued Procedure

(4) Through the STEP-TIME parameter

Answer: 1

Where can program checkpoints be stored for use in a restart?
(1) CHECKPOINT DD statement

(2) SYSCHK DD statement

(3) CHECKOUT DD statement

(4) CHECK or DD statement

Answer: 2

How can the disposition of sysout datasets be set for an entire job stream?
(1) SYSOUT parameter

(2) OUTPUT parameter

(3) DEFAULT Parameter

(4) DEST keyword

Answer: 1

What statement marks the end of an in-stream or Catalogued procedure?
(1) STREAM

(2) SET

(3) PROC

(4) PEND

Answer: 4

What is the function of DD name parameter with a 2 part structure; Audit.Report?
(1) Override the Audit DD statement in the report

(2) Override the Report DD statement in the Audit procedure

(3) Concatenate a dataset onto a DD statement in a called module

(4) Delete the Audit DD statement in the Report

Answer: 2

Which DD parameters are required?
(1) All parameters & Keywords are optional

(2) Dsname, SPACE, RECFM

(3) Dsname, SPACE, UNIT

(4) Dsname, DISP, SPACE

Answer: 1

How can an in-stream dataset be terminated?
(1) //

(2) //*

(3) /*

(4) None of the above

Answer: 3

What is the function of the DD DCB keyword?
(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

Answer: 1

What is the maximum length of a single line of JCL?
(1) 71 bytes

(2) 60 bytes

(3) 55 bytes

(4 ) 80 bytes

Answer: 1

What is the purpose of DD DUMMY statement?
(1) Marks a deleted DD statement

(2) Begins an interpreted command stream

(3) Specifies no space allocation & no disposition processing

(4) Suppress command processing

Answer: 3

Many JCL statements contain specific values designed to direct and control the execution of the statement. What are these fields called?
(1) Linkage Variables

(2) Parameters

(3) Control Libraries

(4) Includes

Answer: 2

When space is allocated for an output dataset, what units can be used?
(1) Disks

(2) Megabytes

(3) Cylinders, Tracks, Blocks

(4) Bytes

Answer: 3

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What is the format of comment statement?
(1) //

(2) //*

(3) /*

(4 ) None of the above

Answer: 2

ADD statement consists of 4 fields. Name them?
(1) Name, DD, Space, Device

(2) Format, Name, DD, Space

(3) DD, parameter, device, format

(4) Name, DD, parameter, comments

Answer: 4

What DD statement is used to supply the name of a dataset?
(1) Name

(2) Dsname

(3) Label

(4) File

Answer: 2

What is the purpose of the DD KEYLEN parameter?
(1) Specify the length of a data set key in bytes

(2) Override the key length of an SMS defined VSAM dataset

(3) Override the key length specified in the dataset label

(4) All of the above

Answer: 4

What is the function of the STEPLIB DD statement?
(1) Identify a library to be searched for programs named in the EXEC statement

(2) Identify a library containing executable job steps

(3) Override the system step library within a job stream

(4) All of the above

Answer: 4

How can return codes be tested before the execution of a job step?
(1) Through the RC keyword

(2) Through the CODE keyword

(3) Through the COND keyword

(4) Through the RETURNED keyword

Answer: 3

What is concatenating?
(1) Overriding or adding procedures

(2) Logically connecting input datasets

(3) Overriding a called PROC name

(4) All of the above

Answer: 2

How can values be passed from the job stream to an executable program?
(1) Through the PARM keyword

(2) Through the VALUE parameter

(3) Through the PGM parameter

(4) All of the above

Answer: 1

Must tape dataset definitions include VOL=SER specifications?
(1) Yes

(2) No

(3) Only for uncataloged datasets

(4) Only for cataloged datasets

Answer: 3

What is the function of //JCLLIB statement?
(1) Identifies the source of the JCL commands

(2) Points to the system software library

(3) Marks the beginning of the in-stream JCL

(4) Identifies the libraries that the system will search for include groups or procedures named in EXEC statements

Answer: 4

What parameter of the job statement is used to limit the CPU time consumed by the job?
(1) RUNTIME

(2) TIME

(3) LIMIT

(4 ) EXECMAX

Answer: 2

What statement marks the beginning of an in-stream or cataloged procedure in JCL and assigns default values to parameters defined in the procedure?
(1) STREAM

(2) SET

(3) PROC

(4) PEND

Answer: 3

How can a stopped job be started again?
(1) Through the RETURN parameter

(2) Through the STARTUP parameter

(3) Through the RESTART parameter

(4) Through the CHECKPOINT keyword

Answer: 3

In order to continue a job after a return code of 12 in step1, what the step2 EXEC statement include?
(1) CONTINUE

(2) COND = (12,NE)

(3) COND = (12,GE)

(4) COND = (12,EQ)

Answer: 2

In SMS datasets, what is the function of the DD MGMTCLAS keyword?
(1) Specify a management class for a new dataset

(2) Lookup a storage profile from the class library

(3) Begin a storage class definition block

(4) Alters the default storage profile for the dataset

Answer: 1

How can the submitting users RACF authority be overridden in a job stream?
(1) Through the USER parameter

(2) Through the USER and PASSWORD parameter

(3) By notifying the console operation to override the authority

(4) Through the RACF parameter

Answer: 2

What parameters can be used to limit the number of records written to an SYSOUT dataset?
(1) LIMIT

(2) OUTLINE

(3) SIZE

(4) MAX

Answer: 2

What statement can be used to send data to another VMS JES3 node?
(1) LINK

(2) CONNECT

(3) XMIT

(4) SEND

Answer: 3

What parameter directs the output of the job log dataset?
(1) JOBLOG

(2) MSGCLASS

(3) MSGLEVEL

(4) SYSLOG

Answer: 2

How can a jobs execution priority be modified?
(1) PRIQTY parameter

(2) PRTY parameter

(3) JOB CLASS parameter

(4) RUNTIME parameter

Answer: 2

How can the attributes of one SMS dataset be copied to another dataset?
(1) Using DD like parameter

(2) Using DD Copy parameter

(3) Using DD Refer parameter

(4) Attributes cannot be copied within SMS datasets

Answer: 1

What is the function of //CNTL statement?
(1) Marks the beginning of one or more program control statements

(2) Identifies the control card library

(3) Delimits the PROC control statements

(4) None of the above

Answer: 1

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?
(1) As the (0) generation

(2) As the (+1) generation

(3) As the (-1) generation

(4) Without the generation number

Answer: 2

In SMS datasets, what is the function of the DD AVGREC keyword?
(1) Specifies the average length of records in a file

(2) Specifies the multiplier to be used for primary & secondary space allocation

(3) Directs the system to allocate space based on average record length

(4) Specifies word blocking factor

Answer: 2