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 the function of currentdata option in bind?

977

Explain path?

941

State all the file open modes?

1004

Name and explain the type of locks?

899

State the difference between jes2 and jes3?

959

What is linkage section?

901

What is the need to code commits in batch programs?

1078

Is the order of the when clause significant in an evaluate statement?

951

What will happen if both steplib and joblib are specified?

975

Explain lock contention?

976

What is the function of iebgener?

1004

Explain the use of the where?

986

How is next sentence and continue different?

931

Write in brief about clusters?

925

Explain foreign keys?

962

Un-Answered Questions { IBM MainFrame }

Are there any set of rules for the names of the steps used in a job?

1054

What is the difference between binary search and sequential search?

1046

What is alias in db2?

982

What is meant by an attribute byte?

991

Explain paging concept in memory?

948

The natural file converted to PDF file if Yes then explain ?

3084

Does qtp tool support mainframe application testing?

1020

Explain about record currency?

804

name a few common vsam status codes?

994

What is deadlock in db2?

1021

how to access data held on the jes spool?

1007

what is the size of the address space in kbs for 16 bit address space?

1027

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

863

Explain the usage of language in the ppt entry?

938

What is the difference between structured cobol programming and object alternativelyiented cobol programming?

1181

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