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

When output dataset space is required, what quantity categories are used?

1357

What parameter of the job statement is used to limit the cpu time consumed by the job?

1273

How can an in-stream dataset be terminated?

1335

What is the purpose of the dd keylen parameter?

1215

What is the purpose of dd?

1234

What statement marks the end of an in-stream or catalogued procedure?

1 1969

What parameters can be used to limit the number of records written to a sysout dataset?

1 1827

How can the submitting users racf authority be overridden in a job stream?

1263

Differentiate cobol and cobol-ii. (Most of our programs are written in cobolii, so, it is good to know, how, this is different from cobol)?

1111

What guidelines should be followed to write a structured cobol prgm?

1146

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1195

What are the bind parameters ibm db2?

1046

what are bind concepts in db2 cobol?

1090

What are foreign keys in db2?

1101

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

921

Un-Answered Questions { IBM MainFrame }

How to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1079

What are the parameters that are used in creating a gdg?

1199

What is adabas?

1014

How can the firstname and the lastname from the emp table be concatenated to generate complete names?

1272

How converted the natural coding for adabas

3270

Is ibm db2 open source?

1070

What is length is cobol?

1097

What are the utility programs in jcl?

1157

What is a region in idms?

889

What do you understand by the term notcat 2 – gs?

1237

How can you use dynamic calls in cics?

1054

Explain db2.

1031

How to execute stored procedure in db2 command editor?

1047

How dummy is used in jcl?

1147

What is the mainframe testing? Categorize the mainframe manual testing?

954

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