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

Parm value passed is PARM=(10,20). how do code linkage section and how would you add these two passes values and show result in cobol program.

IBM,

3 8150

write a program to eliminate duplicate records in a input file and send them to output file.

IBM,

2 6450

wirte a pgm in using files in which we hav 10 ,20,30 40...100 records in inputfile and i want them to be send to outputfile in reverse order. PLZ HELP ME OUT .........THIS IS A RECENT QUESTION IN IGATE..

iGate,

5 9899

if a=b how the flow will complete??? perform test through test-exit. perform activa through activa-exit. test. if a=b then next sentence else move a to c. test-exit. exit. activa. -- -- activa-exit. exit.

IBM,

1 4533

how to resolve soc-7 ? please tell me

IBM,

3 8285

What is the difference between Sysin,Sysout,Sysdbout and Sysudump?

3 15644

Could anyone clearly explain the diference between sub query and correlated sub query?

3 5993

Can we use MVC instruction to move pack field to pack field....which instruction you will use and why ?

Amdocs, IBM,

4 12396

write a program to eliminate duplicate records in a input file and send them to output file.THIS IS IGATE RECENT QUESTIONN.....JUST 1 WEEK BACKKKK...

iGate,

5 20032

In CICS, BMS what is the use of FREEKB parameter

IBM,

2 12432

how many maximum no of variables can be declared in linkage section ?

HCL,

2 6599

what are the isolation levels and where we use it in the db2 program

TCS,

3 8144

what is scope terminator

IBM,

2 5998

what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

Target,

4 7991

which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?

3 6405

Un-Answered Questions { IBM MainFrame }

What is a dbrm in db2?

1018

What is find and read operation in adabas file?

884

What is sysplex?

914

10. Why mainframe testing is so important? Give any three advantages of Mainframe Testing?

3559

What is explain in db2?

1010

How to print 10 to 1 if the input have only 10 digit number?

1257

Give a brief description of db2 isolation levels?

1062

how can you load a vsam data set with records ?

1158

Explain the maximum number of pcbs allowed in a psb?

3614

What does a COMMIT statement do?

1384

How can unused space allocation be returned to the system when a dataset is closed?

1483

What is the term conversational programs means?

1008

how would you create a temporary dataset? And where will you use them?

1396

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1089

What are the processing modes available in ims db?

1074

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