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 16196

How to change default PROCLIB?

1 13996

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 13923

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

6 16553

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

1 9795

How do you submit JCL via a Cobol program?

IBM,

4 13038

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

Maples, Patni, TCS,

5 19782

What is the max blocksize for a Tape file?

2 13024

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

17 74242

Can you code instream data in a PROC ?

10 29313

What does IEBGENER do?

BirlaSoft,

10 42573

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

2 9365

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

7 19762

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

16 34941

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 24439

Un-Answered Questions { IBM MainFrame }

What is dbrm? What it contains? When it will be created?

1109

What is dbrm?

1189

When are scope terminators compulsory?

1093

What are catalog tables in db2?

1110

What is the difference between SEND MAP DATAONLY and SEND MAP MAPONLY ?

1298

When The Define Jcl Is Not Available, How Can You Get Information About A Vsam File's Organisation ?

1267

Explain the address converter?

1064

Have you used comp and comp-3 in your project? And how?

2527

how do you reference the ksds vsam file formats from cobol programs

1249

Which isolation level provides maximum concurrency?

1210

What is the difference between binary search and sequential search?

1135

What is the distinction amongst include and copy?

1037

is it compulsory commitment control in journal?

2523

What is the result of open cursor statement?

1131

we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

1402

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