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 is a procedure?

1 4975

Can we browse or edit the GDG dataset if it is a tape entry?

4 17304

What happens if both JOBLIB and STEPLIB is specified ?

8 16131

What is order of searching of the libraries in a JCL?

4 11690

What is the difference between static call & Dynamic call ?

3 14336

What are the maximum and minimum sizes of any CONTROL AREA (VSAM datasets) ?

Patni,

2 13272

How to get cursor position from system in CICS environment ?

8 40568

How many parameters are there to a DISP statement and what are their uses ?

3 7845

What is the difference between specifying DISP=OLD and DISP=SHR for a dataset?

CitiGroup,

5 33591

What does SYSIN * indicate?

2 8265

What u mean by include statement in JCL ?

3 29165

The maximum number of in-stream procedure you can code in any JCL is ?

5 15730

What is a COND parameter in JCL?

TCS,

10 64196

How many types of libraries are there in JCL ?

IBM,

2 11556

What you mean by skeleton JCl?

2 14868

Un-Answered Questions { IBM MainFrame }

How many ways are there for initiating a transaction?

1050

How can we debug cobol pgm containig idms using xpeditor?

1516

List down the data types in the db2 database.

1124

Define declaration generator (dclgen).

1116

What is ENQ?

1074

What are the recoverable cics resources?

1014

Can you define notcat 2?

1040

Define check constraint.

1078

What is report-item in COBOL?

1156

What do you mean by storage group (stogroup)?

1041

Why db2 is called db2?

1042

in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from

2190

What is frset?

1031

Can you explain cics transaction gateway?

1078

Can you define a gdg?

995

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