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

What is commarea (communications area)?

1009

Define task work area?

1321

What is the common systems area?

1059

What is journal recovery?

1052

What is the syncpoint command?

1213

Explain the difference between dfhcommarea and tsq?

1100

Define temporary storage?

1062

What are some of the cics commands associated with interval control?

1041

Sync points cannot be requested by the application programs? State true or false

1161

Define the term mro (multi region operation)?

1107

Name the 3 common ways to create maps?

1137

name the command that is used to dump the main storage areas related to a task?

1096

What is the use of mdt (modified data tag)?

1052

What is an mdt (modified data tag)?

1030

Explain how do you delete item 3 in a five-item tsq?

924

Un-Answered Questions { IBM MainFrame }

What do you understand by the terms: joblib and steplib?

1177

What are the pertinent COBOL

2570

Differentiate between the joblib and the steplib statements?

1439

What is blu acceleration in db2?

1070

how can you prevent more than one user from accessing the same transient data queue?

1088

What are Naming Conventions in QMF?

1824

Is mainframe an operating system?

935

Is it possible to create an Instance in DB2 using DB2 Control Center ?

1104

What is a run unit in idms?

859

Explain the function of job statement in jcl?

1211

Explain the jcl exec statement?

1146

What are bind parameters in db2?

1046

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

1363

What are the various error conditions seen in rexx?

922

What is bind in db2?

1044

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