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 use extended attributes ?

IBM,

1 4933

What is Communication Area?

IBM,

1 5702

When there are 2 records with the same key specified in a DELETE operation what will happen?

2 7015

How would you release control of the record in a READ for UPDATE?

IBM,

2 7459

What information can be obtained from the EIBRCODE?

1 10900

Name the macros used to define the following: MAP MAPSET FIELD

2 5756

CICS provides an interface through which the all the DL/I services can be used under CICS(True or False).

1 4156

What is the size of commarea

IBM,

5 13766

How will you access a VSAM file using an alternate index?

IBM,

1 7322

What tables must be updated when adding a new transaction and program?

2 6349

For protecting a transaction using the transaction security function, the two things that must be done are?

2335

What is the usage of language in the PPT entry?

IBM,

2 7697

NMDS is both device dependent and format dependent (True or False)

1 5554

Specify the requirements for Automatic Task Initiation. (Mention the control table, it?s entries and the corresponding Procedure division CICS command).

1 5795

How is the stopper byte different from an auto skip byte ?

1 10127

Un-Answered Questions { IBM MainFrame }

Mention the guidelines to write a structured cobol program?

1085

How to traceback if I am getting SOC7 or SOC4 abend? List down the steps

5368

Receive consists of buffer option in it. What is the significance of this option?

1044

What is ibm db2 database?

998

Is length = 0 sufficient to ascertain that the field has been modified?

1074

what are transient data sets defined to cics?

1168

Define static linking and dynamic linking.

1184

What is an OOK-Rec?

1698

Explain how can an in-stream dataset be terminated?

1319

Suppose if there are a set of statements and each has a word “value” in it, if I want to display all these statements so that the word “value” is aligned, then how do I code this in rexx?

965

Define the necessity of run stats among the environment test?

977

Why do we need integrated cics translator?

1052

What is the procedure to solve an ASRA ABEND?

1034

What is program reentrance?

1157

can oorexx run normal rexx programs?

998

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