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IBM Mainframe JCL Fundamentals

Quiz covering JCL essentials including DD statements, DISP parameters, GDG datasets, conditional processing with COND and IF-THEN-ELSE, job control statements, and JCL coding rules

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Questions

Question 1 Multiple Choice (Multiple Answers)

Which of the following are directly controlled by JCL statements

  1. The passing of job control information to the Job Entry Subsystem
  2. The addressing of input resources
  3. The performance of calculations
  4. The sending of an email to the person who submitted the job
Question 2 Multiple Choice (Multiple Answers)

Which statements concerning the JCLLIB statement are true?

  1. There is either a JCLLIB statement for the entire JOB, or a separate one for each EXEC
  2. A JCLLIB statement can not have a statement name.
  3. There can only be one JCLLIB statement per JOB.
  4. A JCLLIB statement must be coded before the first EXEC statement.
Question 3 Multiple Choice (Single Answer)

Which of the following is true:

  1. Under no circumstances must a DD statement precede an EXEC statement
  2. The OPERATION JOB can be coded in position 4.
  3. An OPERATION can be coded beyond position 72, as long as it starts before position 72
  4. A JCL OPERATION must be followed and preceded by at least one blank.
Question 4 Multiple Choice (Multiple Answers)

Which of the following statements are true for parameters coded on the JOB statement:

  1. When TIME is added to a JOB statement, the entire job run time is limited to that amount
  2. When REGION=0 is coded, the job will not execute due to the fact that no working storage
  3. The COND parameter on JOB level will place the same condition on every EXEC statement,
  4. TYPRUN=SCAN means that the entire JCL script will be checked for syntax and value
Question 5 Multiple Choice (Single Answer)

When I want a jobstep to be executed only if the previous jobstep has a return code of strictly less than 8, I should add...

  1. COND=(8,LE)
  2. COND=(8,GE)
  3. COND=(8,LT)
  4. COND=(8,GT)
Question 6 Multiple Choice (Multiple Answers)

Consider the following: //TU00001T JOB ATUT000,TU00001,CLASS=7,MSGCLASS=X,TIME=(,10) //STEP1 EXEC PGM=PROGRAM1,TIME=(,6) //STEP2 EXEC PGM=PROGRAM2 //STEP3 EXEC PGM=PROGRAM3,TIME=(,15) Which of the following statements are true:

  1. Step 1 can use 6 seconds of CPU time.
  2. Step 2 has no time limitations.
  3. Step 3 can use 15 seconds of CPU time.
  4. Each step is limited to its specifically mentioned time, but the entire job can only use 10
Question 7 Multiple Choice (Single Answer)

What is correct?

  1. A REGION parameter on an EXEC statement, overrides the REGION parameter on the JOB
  2. A REGION parameter on an EXEC statement, limits the space available for that step, but
  3. A REGION parameter on an EXEC statement, is only taken into consideration if there is no
  4. The sum of all REGION parameters on EXEC statements, must be equal to the REGION
Question 8 Multiple Choice (Multiple Answers)

Which of the following concerning the COND parameter are true on EXEC statement level?

  1. The COND parameter always indicates that if its condition is met, the step is NOT executed.
  2. When adding the COND parameter to an EXEC statement that calls a procedure, this COND
  3. With the COND parameter, we can only check return codes.
  4. The COND parameter can check the return codes of multiple steps, but as soon as one of
Question 9 Multiple Choice (Multiple Answers)

What are the correct values for the DSN parameter of a temporary data set?

  1. &NAME&(TEMP)
  2. &&TEMP(NAME)
  3. &&NAME
  4. &NAME
Question 10 Multiple Choice (Single Answer)

When to use DISP=MOD?

  1. For both sequential and partitioned datasets to be extended or created.
  2. Only for existing datasets to be extended
  3. For all secured sequential datasets to be extended
  4. Only for sequential datasets to be extended or created.
Question 11 Multiple Choice (Multiple Answers)

Which of the following equations are correct?

  1. DISP=(,PASS) is equivalent to DISP=(NEW,PASS,KEEP)
  2. DISP=(,,KEEP) is equivalent to DISP=(NEW,DELETE,KEEP)
  3. DISP=(,,CATLG) is equivalent to DISP=(OLD,CATLG,CATLG)
  4. DISP=(OLD,,) is equivalent to DISP=(OLD,KEEP,KEEP)
Question 12 Multiple Choice (Multiple Answers)

Some parameters have sub-parameters. These can be both positional or keyword sub-parameters. Suppose TU00001 is the programmer’s name, ATUT000 is the programmer's account number and it is a default value. Given this information, which statements are correct:

  1. //TU00001T JOB (ATUT000,,,,,,,,),TU00001,CLASS=7,MSGCLASS=X
  2. //TU00001T JOB (ATUT000),’TU00001’,CLASS=7,MSGCLASS=X
  3. //TU00001T JOB TU00001,’(ATUT000)’,CLASS=7,MSGCLASS=X
  4. //TU00001T JOB ,(ATUT000),CLASS=7,MSGCLASS=X
Question 13 Multiple Choice (Multiple Answers)

Which of the following DD statements to create a new data set is correctly written?

  1. //DD1 DD DSN=TBISUSR.TU00001.DATA1,DISP=(NEW,KEEP),DSORG=PS,LRECL=80,
  2. //DD2 DD DSN=TBISUSR.TU00001.DATA2(MBR1),DISP=(NEW,KEEP),DSORG=PO,
  3. //DD3 DD DSN=TBISUSR.TU00001.DATA3(MBR2),DISP=(NEW,KEEP),DSORG=PO,
  4. //DD4 DD DSN=TBISUSR.TU00001.DATA4,DISP=(NEW,KEEP),DSORG=PS,
Question 14 Multiple Choice (Single Answer)

Which parameter can not be used on a JOB statement

  1. MSGCLASS
  2. COND
  3. MGMTCLAS
  4. NOTIFY
Question 15 Multiple Choice (Single Answer)

The following GDG datasets exist: TBISUSR.TU00001.GDG.G0003V00 TBISUSR.TU00001.GDG.G0004V00 TBISUSR.TU00001.GDG.G0005V00 TBISUSR.TU00001.GDG.G0006V00 TBISUSR.TU00001.GDG.G0007V00 Which statement will always create: TBISUSR.TU00001.GDG.G0008V00 ?

  1. //DD1 DD DSN=TBISUSR.TU00001.GDG(+1),DISP=(NEW,CATLG),LRECL=80,
  2. //DD1 DD DSN=TBISUSR.TU00001.GDG(+1),DISP=SHR
  3. //DD1 DD DSN=TBISUSR.TU00001.GDG(8),DISP=(NEW,CATLG),LRECL=80,
  4. //DD1 DD DSN=TBISUSR.TU00001.GDG(8),DISP=SHR
Question 16 Multiple Choice (Single Answer)

Which of the following conditional expressions can not be used with an IF-THEN-ELSE-ENDIF construction?

  1. STEP.RC NE 8
  2. ABEND = FALSE
  3. STEP.CC = U4038
  4. STEP.RUN EQ TRUE
Question 17 Multiple Choice (Multiple Answers)

Indicate the correct answers: A concatenation of datasets...

  1. ... can be used for input, to use both DD entries describing sequential datasets and DD
  2. ... can be used to write multiple output datasets.
  3. ... can contain a dummy data set in the input, which will indicate the end of the input
  4. ... stored on different device types, can not be used for input.
Question 18 Multiple Choice (Single Answer)

When calling a procedure we can change - in different ways - this procedure. Which is the most complete statement?

  1. We can override parameters on EXEC statements and add DD statements.
  2. We can override, nullify and add parameters on all statements and add DD and/or OUTPUT
  3. We can add and override parameters to all statements, but can only nullify parameters
  4. We can nullify, override and add parameters to all statements, but can only add DD statements.
Question 19 Multiple Choice (Multiple Answers)

Consider the following: // SET GROUP=TBIS,DIV=USR,SUBJ=JCL,TYPE=DATA,NMBR=1 Which of the following structures containing symbolic parameters will result in: TBISUSR.JCLCRS.DATA1?

  1. &GROUP&DIV.&SUBJCRS.&TYPE&NMBR
  2. &GROUP&DIV..&SUBJ.CRS.&TYPE&NMBR
  3. &GROUP.&DIV..&SUBJ.CRS.&TYPE.&NMBR.
  4. &GROUP.&DIV..&SUBJ.CRS..&TYPE.&NMBR.
Question 20 Multiple Choice (Single Answer)

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
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