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?

1125

Can you define attribute byte?

1079

Can you explain common systems area?

1160

What is program reentrance?

1222

What is the use of the program list table?

1133

What is eib?

1245

Can you explain exec cics handle condition command?

1133

How vsam files are read in cics pgms?

1361

Can you explain cics transaction gateway?

1125

Can you define ppt and what are its uses?

1124

Which commend used for terminating a browser operation?

1051

How to dsect parameter is used in bms?

1374

What are the cics tables?

1119

What is the difference between pct and fct?

1292

Can you define temporary storage?

1190

Un-Answered Questions { IBM MainFrame }

how do you reference the rrds file formats from cobol programs

1664

What is the function of the dd mgmtclas keyword in sms datasets?

1303

How to execute stored procedures?

1178

How many register we are using in mvs?

1093

What os does db2 run on?

1052

What is the use of the eibaid field?

1213

Can you define foreign keys?

1089

Which is faster delete or truncate?

1183

what is difference between file-aid tool and file-aid utility?

1580

How many maximum base registers we can have in a single program?

1180

What is data trace system 2.0 used for?

5708

What is the main function of key sequenced data set in vsam?

1032

Define db2.

1176

How errors are handled in CICS programs?

1172

What is an area sweep and when is it used?

1619

For More Un-Answered { IBM MainFrame } Questions Click Here