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 the CICS command level all the re-entrancy issues are handled by the System(True or False).

1 3720

In which CICS table would you specify the length of the TASK WORK AREA (TWA)?

IBM, TCS,

3 9339

What are the three BMS options ?

3 6476

What is the difference between the INTO and the SET option in the EXEC CICS RECEIVE MAP command?

1 6620

What are the CICS commands available for program control?

IBM,

1 4661

Once a transient data queue is read, can it be reread?

2 6468

An XCTL uses more CPU time than LINK (True or False)

1 6832

Can you simply check if length = 0 for checking if a field was modified?

IBM,

3 6936

Translation Time is not reduced if the Pre-compilation is done first(True or False).

Kanbay,

1 5273

The error code AEIV?

IBM,

1 9610

What is CECI?

IBM,

5 19647

What is ATI? What kind of TDQ can be used?

IBM,

3 14468

What is the option specified in the read operation to gain multiple concurrent operations on the same dataset?

IBM,

1 6440

List all the CICS tables and explain their contents.

IBM,

3 10416

A mapset consists of three maps and 10 fields on each map . How many of the following will be needed ?

3 8458

Un-Answered Questions { IBM MainFrame }

Is their any set of rules for dd? Explain.

1274

What is release/acquire in bind?

1165

Mention the content that is present inside a PPT ?

1040

How to take backup of table in db2?

1131

How jcl work to handle various input output file operations?

1226

can oorexx run ibm object rexx programs?

1055

what are the parameter we cannot use in procedure? How many instream we can write in single jcl? Can we call instream to catalog and catalog to instream?

1115

Is automatic restart possible in jcl?

1280

What is the pic clause for the hhmmss type of data fields?

1009

What is inspect in cobol ?

1356

What is the purpose of dd dummy statement?

1527

what are the additional information you should give in the dd statement while defining the next generation of a gdg?

1050

Particular area has been affected in cics screen, what is the process to find?

10003

I have many files which i am receiving from client everyday. I have one step for every file to check for empty or not. Here client gives 30 files i need to check for every file for empty or not and i need to perform 30 steps. Can I do it in single step. Dynamically i need to change the File name in my step.

1291

How to execute 2nd and 4th steps among 5 steps in jcl proc?

1413

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