IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

How do you submit a JCL under CICS environment ?

Wipro,

5 15975

How to change default PROCLIB?

1 13913

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The DISP in the JCL is SHR and the program opens the file in EXTEND mode. What happens ?

3 13743

How to execute a set of JCL statements from a COBOL program ?

6 16340

What are three major types of JCL statements? What are their functions?

1 9700

How do you submit JCL via a Cobol program?

IBM,

4 12854

Write a jcl to execute a job by 7 a.m on Jan 20,1986 ?

Maples, Patni, TCS,

5 19510

What is the max blocksize for a Tape file?

2 12862

How do you check the syntax of a JCL without running it?

17 73574

Can you code instream data in a PROC ?

10 28930

What does IEBGENER do?

BirlaSoft,

10 42203

What is STEPLIB, JOBLIB? What is it used for?

2 9274

How do you send the output of a COBOL program to a member of a PDS?

7 19482

I have multiple jobs ( JCLs with several JOB cards ) in a member. What happens if I submit it?

16 34334

I have a COBOL program that Accepts some input data. How do you code the JCL statement for this? ( How do you code instream data in a JCL? )

9 24079

Un-Answered Questions { IBM MainFrame }

what are the codes returned by the ams (access method services) command during the execution in vsam?

1285

If the cursor is kept open followed the issuing of commit, what is the procedure to leave the cursor that way?

1144

Define sqlca.

1103

Can you explain control variable in online screens?

977

What is meant by an isolation level?

1011

When would you use abend command?

1165

What is the use of runstats in db2?

1101

when can a job time-out occur? How to overcome that?

1280

Explain the different system tables used in cics?

1007

What is task control?

1156

What is use of IBM framework?

2110

Can dynamic calls be used in CICS?

1134

How do you find the maximum value in a column in db2?

1097

Can you define transid?

1022

How ENQ and DEQ used in CICS?

1435

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