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 the term transaction routing?

1107

What is a transid?

1016

How can you access qsam (seq) files from cics?

1089

Define the attribute byte?

1085

Explain the difference between cics program control table (pct) and cics processing program table (ppt)?

1017

Name the two types of transient data queues?

1018

Define the term function request shipping?

988

Explain the difference between the xctl and link commands?

1063

Define cedf?

909

Specify the requirements for automatic task initiation?

974

When would you use abend command?

1118

Define primary objective of cics?

972

Explain how do you dynamically set the cursor position to a specific field?

1031

What is fset?

973

Name the cics command that gives the length of twa area?

952

Un-Answered Questions { IBM MainFrame }

How you can read the file from bottom?

1103

What is meant by a ‘Transid’ ?

1017

What is a Foreign Key?

1056

How do you eliminate duplicate values in db2?

1124

How do define dynamic array in cobol.

1102

What is the use of the program list table?

1042

What is a lds (linear data set) and what is it used for?

968

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1063

What is the purpose of disp parameter?

1082

How do I delete a table in db2?

1031

How many minimum number of line codes does PL/1 DB2 program requires?

2942

Can you define cemt?

1014

list the sequence of steps used to achieve modiication in skip sequential mode?

1164

What will happen if both steplib and joblib are specified?

986

How can we see the copy book length using file-aid?

918

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