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

Define where and its usage?

1009

Explain paging concept in memory?

1020

What is downtime and what might be the reason?

1109

How long have you been working on mainframes?

971

Why are you looking for a change?

977

What is the worst thing that you’ve seen on a day?

957

Differentiate between hdam and the hidam databases?

1045

Define the necessity of run stats among the environment test?

987

Have you caused any huge mistakes for the bank?

942

What do you know about jcl?

1141

Why did you choose to work with ibm mainframe cobol programming?

1114

What are the divisions in a cobol program? Which one is the mandatory division among them?

1 1611

What are the divisions in a cobol program?

1 2076

What is the figurative constant in cobol?

1 1734

Are you comfortable in cobol or jcl?

1049

Un-Answered Questions { IBM MainFrame }

Differentiate between structured cobol programming and object-oriented cobol programming.

1156

Can we insert update delete in view?

972

Which are the db2 tools to protect integrity of the database?

1124

How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?

2255

Highlight all the advantages that are attached to a package.

1119

What is the maximum size of varchar data type in db2?

1137

What is clone table?

1046

Explain how to move cursor to a particular field when position is not known?

1002

Explain what happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

973

How to print 10 to 1 if the input have only 10 digit number?

1262

how to define a directory and what is the structure and definition for the same?

1063

How can a stopped job be started again?

1191

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

1243

What is the syntax for creating a table in the db2 database?

1109

How to restart a DB2 program?

1902

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