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

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CICS (755)
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IMS (143)
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Natural (81)
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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

Explain the system transid cemt?

1104

Explain the function of the load command?

1136

Explain what is the massinsert option?

1069

Define an asra?

1035

How can you use dynamic calls in cics?

1056

What are the some important fields in the eib block?

1152

What is task control?

1167

Explain how do you access the records randomly in tsq?

1109

Explain the thress bms options?

1016

Define an aica abend?

1111

What is the meaning of the deq command?

1144

Explain the difference between exec cics handle condtion and an exec cics ignore command?

1038

Name the cics command used to access current date and time?

1140

Explain the difference between a physical bms mapset and a logical bms mapset?

999

Explain the difference between intra partition tdq and extra partition tdq?

995

Un-Answered Questions { IBM MainFrame }

Write a program to explain size error.

1203

Define temporary storage?

1065

What is the purpose of control intervals in vsam?

1010

Can you explain enq and deq used in cics?

1073

What is the difference between dbm cfg and db cfg file in db2 ?

1539

What is a ca split?

1082

Why are you looking for a change?

977

I have a File that has duplicate records. I need only those records that occur more than thrice.?

9892

what is use of linkage section?

1086

What is the motivation behind coding class parameter in job statement?

1181

Explain difference between read(1) and read work file once?

965

How scary is it to write code for a bank?

1001

How to restart a DB2 program?

1902

what will happen if there is no secondary allocation made for datasets?

1113

which parameter is used to check the syntax of a jcl without executing it?

1363

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