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 there be 2 job statements in a JCL? If yes what is the purpose of doing tha?

3 9062

with out sorting how to copy records from one file to another file using jcl.Mean I have one input file in which the record are like 1,6,5,4,2,3(for example) and i want to copy to output file from top to bottom(without sorting) like 3,2,4,5,6,1.so I want the JCL for this.cna any one can answers?

TCS,

1 17092

What exactly is a hyperdescriptor? How does it work?

3 12842

What does it mean when EIBCALEN is equal to 1 and other values?

5 20785

what r the types of job control statements?

2 6350

what is the meaning of keyword in jcl?what is is opposite?

4 8419

describe the job statement, its meaning,syntax and significant keywords?

1 4740

describe the exec statement,its meaning ,syntax and keywords?

3 7721

describe the dd statement,its meaning,syntax and keywords?

1 4155

what is the restart?hopw it is invoked?

1 5040

explain concatinating datasets?

1 4880

what is pupose and meaning of the REGION keyword and what jcl statement is it associated with?

1 5825

what is the difference between static call and dynamic call?

1 22447

can we bowse or edit the GDG dataset if it is a tape entry?

4 9914

what is the purpose of SYSOUT parameter in the DD statement?

1 10253

Un-Answered Questions { IBM MainFrame }

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2590

What is meant by drda?

945

Can you define an alias?

962

Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

1065

What is the use of disp parameter?

1135

In a particular cics program, what is the procedure to allocate dynamic memory?

1152

For what purpose steplib and joblib are used ?

1136

What is meant by MDT? Furthermore, comment on FRSET and FSET ?

1127

Name all the file-open modes

1078

What is bind and rebind in db2?

1133

What is a cics task?

1058

Let us say you have a collection of multiple maps in cics. So if you are asked to determine the exact storage space that is available in a symbolicmap, then how will you compute it?

1132

What is node in db2?

1042

Write in brief about clusters?

974

Define acb?

3624

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