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?

1070

Can you define attribute byte?

1027

Can you explain common systems area?

1106

What is program reentrance?

1166

What is the use of the program list table?

1080

What is eib?

1170

Can you explain exec cics handle condition command?

1080

How vsam files are read in cics pgms?

1305

Can you explain cics transaction gateway?

1077

Can you define ppt and what are its uses?

1071

Which commend used for terminating a browser operation?

1003

How to dsect parameter is used in bms?

1291

What are the cics tables?

1086

What is the difference between pct and fct?

1221

Can you define temporary storage?

1134

Un-Answered Questions { IBM MainFrame }

What is ibm db2 client?

939

What is the function of rollback in idms?

908

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1196

Define pcb?

1083

Explain about find and obtain commands?

912

What does reorg do in db2?

1029

What is downtime and what might be the reason?

1109

Describe the benefits of drda?

961

What is meant by an isolation level?

1014

What are the types of important programs that are used in the cics?

1037

What is dbkey?

880

What is meant by explain?

1133

What are the parameter we cannot use in procedure?

1133

How would the varchar column remarks defined?

1088

Explain the difference between record occurrence and record type?

2060

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