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

In SYMBOLIC Cursor Positioning after moving -1 to the length field also the cursor is not positioned in that particular field. Give reasons?

IBM,

2 6189

What is the command used for receiving a map from a terminal?

1 4423

What are the commands used to gain exclusive control over a resource (for Ex a Temporary storage queue.)?

3 7855

Why must all CICS programs have a Linkage Section ?

4 16899

What are the attribute values of Skipper and Stopper fields?

1 18745

What are the two ways of breaking a CPU bound process to allow other tasks to gain access to CPU.

Patni,

3 8749

What is a two Phase commit in CICS?

IBM,

2 23772

How are VSAM files Read in CICS pgms?

IBM,

4 14507

Which transient data queue supports ATI?

2 8268

What is a mapset?

2 6661

What is the difference between physical map and symbolic map?

IBM,

3 11468

How do you rollback data written to an ESDS file?

IBM, Infosys,

1 10472

What is meant by a CICS task?

4 9684

Explain the means of supporting pseudo conversation programming. (E.g. Storing and restoring of states)

2 6345

What is the significance of RDO?

IBM,

1 9607

Un-Answered Questions { IBM MainFrame }

What is find and read operation in adabas file?

901

What is the term “where” for?

1015

What is the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1047

At what point are extension eliminators mandatory?

1010

What is db2? Explain.

1052

How to create backup table in db2?

1098

How is a typical db2 batch pgm executed?

1185

how do we describe cataloged procedure and an instream procedure?

1088

what do you mean by a shareoptions parameter (shr) in define cluster command?

1322

Write down the divisions of cobol program?

1263

What is multi row fetch in db2?

1056

What is dbkey? Explain.

859

What is inspect in cobol ?

1313

What is timing concept in mainframe?

2221

List out the data types available.

1160

For More Un-Answered { IBM MainFrame } Questions Click Here