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 ?Pseudo Conversational? mean?

IBM,

3 9723

Name some translator and compile options and explain their meaning?

Fujitsu,

2840

What are the steps you go through to a create a BMS executable?

IBM,

2 6545

What is some of the information available in the EIB area?

IBM,

2 5902

Which is the EIB field that gives the date when a task was started?

1 6981

What are attribute bytes and how and why are they modified?

1 5453

What are the parameters that you have to give when you are using the CSSN transaction?

3 5941

What is DFHEIBLK?

IBM,

3 29414

How can the fact that EIBCALEN is equal to zeros be of use to an application programmer?

IBM,

1 5301

Is there any entry for TSQs in CICS tables?

IBM,

3 8410

What is MDT?

IBM,

1 5304

CICS and DB2 can exist in the same region under the Operating system (True or False)

2 6581

What does the following transactions do?

1 4926

Can we define an alternate index on VSAM/RRDS ?

IBM,

2 7624

If you use the OPTIMIZE compiler option the size of the program can be reduced by 5 to 10%(True or False)

2 5409

Un-Answered Questions { IBM MainFrame }

Explain cebr transaction commands?

1065

What are the different rules of SORT operation?

1134

I just know the Panvalet dataset name, i would like to search all the members of that dataset for particular keyword through Rexx. how to achive? please suggest. Is it possible to open panvalet member in browse mode using Rexx? Your help would be appreciated very much. Thanks in advance.

5548

What are the common tables in cics and their usage?

1005

A chkpt is the parameter coded for multi-volume qsam datasets in a dd statement. When a chkpt is coded as chkpt=eov, a checkpoint is written to the dataset specified in the sysckeov statement at the end of each volume of the input/output multi-volume dataset. State whether true or false?

1285

What are the types of processes to create a map in cics?

1044

difference between vsam and database tables

1127

What is a trigger in the db2 database?

1068

Can you define mdt?

1081

What is the difference between binary search and sequential search?

1087

I want my job (careerride) to be executed in 1 minute and 2 seconds. How do I do that?

1228

What is the worst thing that you’ve seen on a day?

948

Using alternate indexes in batch program?

1104

How to execute a query in qmf at a particular time?

942

is delete operation supported in an esds? Is rewrite operation possible in esds?

1105

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