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

Explain the primary function of the processing program table (ppt)?

938

Explain the function of the cics translator?

1009

Specify cics transaction initiation process?

1030

Explain the usage of language in the ppt entry?

952

Explain how many exceptional condition can be given in a handle condition?

989

Define ceci?

1045

Explain the difference between link xctl?

975

Explain the difference between using the read command with into option and set option?

993

Explain the difference between a return with transid and xctl? For example program. A is issuing return with transid to program b. Program a. Is isssuing xctl to program b?

1011

Explain the difference between a package and a plan.

1002

What is the pic clause for the hhmmss type of data fields?

885

What is the meaning of the eibaid field?

895

Explain the difference between pseudo-conversational and conversational?

1034

Explain how and where is the twa size set?

1038

Explain how do you control cursor positioning?

970

Un-Answered Questions { IBM MainFrame }

What are the different data types in cobol?

1360

What are the common vsam error conditions and codes?

1057

Specify cics transaction initiation process?

1030

how do u conduct impact analysis?

2301

What is the purpose of the dd keylen parameter?

1172

What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

9715

Mention the definition of cobol in varchar field.

1204

what do you mean by idcams? Explain its purpose?

930

What are the various error conditions seen in rexx?

879

how do we describe static call and dynamic call?

974

What is table space in db2?

977

What is the maximum number of segment types allowed for a single database?

1081

How to get the ddl of a table in db2?

1101

What is runstats utility in db2?

985

Explain about LMFREE�free data set from its association with data ID

1572

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