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

How do you use extended attributes ?

IBM,

1 5022

What is Communication Area?

IBM,

1 5783

When there are 2 records with the same key specified in a DELETE operation what will happen?

2 7125

How would you release control of the record in a READ for UPDATE?

IBM,

2 7585

What information can be obtained from the EIBRCODE?

1 11003

Name the macros used to define the following: MAP MAPSET FIELD

2 5910

CICS provides an interface through which the all the DL/I services can be used under CICS(True or False).

1 4248

What is the size of commarea

IBM,

5 13952

How will you access a VSAM file using an alternate index?

IBM,

1 7407

What tables must be updated when adding a new transaction and program?

2 6498

For protecting a transaction using the transaction security function, the two things that must be done are?

2413

What is the usage of language in the PPT entry?

IBM,

2 7813

NMDS is both device dependent and format dependent (True or False)

1 5631

Specify the requirements for Automatic Task Initiation. (Mention the control table, it?s entries and the corresponding Procedure division CICS command).

1 5875

How is the stopper byte different from an auto skip byte ?

1 10237

Un-Answered Questions { IBM MainFrame }

Can you define cemt?

1121

Mention the various locks that are available in db2.

1091

i want to maintain uniqueness on pdf without make lf??????????

2211

Explain the function of dd name parameter with a 2 part structure; audit.report?

1524

what would I use uni-rexx for?

1018

What are the rules of the move verb?

1325

What are the functions available in rexx?

999

What is dbrm library?

1120

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1139

How long have you been working on mainframes?

1009

Define dynamic processing?

1064

how do you code a null statement?

1389

What is scrollable cursor in db2?

1128

Explain various types of locks in db2?

1210

Can anybody tell what is tool used to generate the list of PROCS used in JCL to generate a PROCTREE

2511

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