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

what does mvs stand for?

IBM,

1 2068

when does a dataset go uncataloged?

IBM,

1361

what are the ways of passing data to a cobol program from jcl?

IBM,

1 2495

which parameter is used to check the syntax of a jcl without executing it?

IBM,

1430

what is use of dcb parameter in dd statement?

IBM,

1353

what is use of space parameter in dd statement?

IBM,

1335

which parameter is use to declare the name of dataset in dd statement?

IBM,

1328

a jcl has 2 steps. How to code the jcl such that if step1 abends, then step2 runs. Else, job terminates with step1?

IBM,

1 2711

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

IBM,

1292

what are the various stages of job processing?

IBM,

1355

which statement is used to end the in-stream procedure in a jcl?

IBM,

1 2014

a set statement is used to define commonly used symbolic across job steps or procedures. It initializes the previous values in the symbolic names. It has to be defined before the first use of the symbolic names in the jcl. State whether true or false?

IBM,

1144

what happens in execution stage in job processing?

IBM,

1204

when can a job time-out occur? How to overcome that?

IBM,

1358

in a jcl, a large volume dataset is loaded to a table using bmcload in step1 and an image copy of the loaded table is taken using bmccopy in step2. Step2 abends because the image copy dataset cannot hold the volume of the table. How can this be rectified?

IBM,

1359

Un-Answered Questions { IBM MainFrame }

what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

1125

If we wish to create bms executable, what are the basic steps that the user has to go through?

1166

What is precompiler in db2?

1085

State the maximum number of tables that can be joined?

1046

What are concurrency issues?

1181

How to pass the parameters from jcl to assembler program?

1064

Define a junction record in idms?

907

Define static linking and dynamic linking.

1281

What is one line to pass PARM from JCL to COBOL?

5017

Explain the logical message in cics?

1101

how can we describe comp sync?

1107

without jcl how to run the batch programs

2594

Explain how do you access the records randomly in tsq?

1193

what is the difference between a return with transid and xctl? For example program. A is issuing return with transid to program b. Program a. Is isssuing xctl to program b?

1240

What is batch dl/i mode?

3416

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