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

Can you explain enq and deq used in cics?

1025

Can you define attribute byte?

957

Can you explain common systems area?

1042

What is program reentrance?

1099

What is the use of the program list table?

1026

What is eib?

1058

Can you explain exec cics handle condition command?

1002

How vsam files are read in cics pgms?

1233

Can you explain cics transaction gateway?

1009

Can you define ppt and what are its uses?

1003

Which commend used for terminating a browser operation?

936

How to dsect parameter is used in bms?

1190

What are the cics tables?

1026

What is the difference between pct and fct?

1138

Can you define temporary storage?

1073

Un-Answered Questions { IBM MainFrame }

Can you explain function of iebgener?

976

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

1106

Define a region in idms?

833

how can a gdg base be created in a jcl. What is the difference between empty and scratch parameter while defining/altering gdg base?

1233

Can you define foreign keys?

996

how do we describe cataloged procedure and an instream procedure?

1015

is delete operation supported in an esds? Is rewrite operation possible in esds?

1050

What is the syntax for seeing the columns and data types of a table in the db2 database?

1089

What is the difference between external and global variables in COBOL?

1362

how to access data in control blocks such as jobname?

904

Explain how can values be passed from the job stream to an executable program?

1132

how do you bind the cobol with db2

2735

What are the various error conditions seen in rexx?

866

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1224

Why include statement is used in a jcl?

1123

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