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 an EVALUTE statement is the order of the WHEN clauses significant?

4 12556

Give some advantages of REDEFINES clause?

Syntel,

2 20907

How do you do in-line PERFORM?

Accenture,

4 18343

Explain call by context by comparing it to other calls.

1 9157

What does EXIT do ?

Deloitte,

3 13747

what is Pic 9v99 Indicates?

2 13608

What is an explicit scope terminator?

3 20311

COMP?

2 6409

What should be the sorting order for SEARCH ALL?

5 10693

How is sign stored in Packed Decimal fields and Zoned Decimal fields?

ABC, HCL, TCS,

6 38215

How do you define a table/array in COBOL?

Hexaware,

5 31469

When is a scope terminator mandatory?

3 9231

How do you submit JCL via a Cobol program?

IBM,

5 20919

What is the difference between a DYNAMIC and STATIC call in COBOL?

2 13357

Differentiate COBOL and COBOL-II?

2575

Un-Answered Questions { IBM MainFrame }

What are the different versions of gdg named?

991

What is auto status?

1644

Is the primary key a clustered index?

1149

Can I share my data with other jobs? How?

1115

What is a page in db2?

1027

Explain the uses that are associated to tsq and tdq ?

1087

How can you access esds files from cics?

1108

what is the difference between COBOL2 AND COBOL390?

3055

specify the requirements for automatic task initiation. (Mention the control table, it is entries and the corresponding procedure division cics command).?

1158

Explain the function of job statement in jcl?

1211

What is the LINKAGE SECTION used in COBOL?

1530

What is a set in idms?

840

How are data passed from jcl parm to assembler program?

1006

what will happen if there is no secondary allocation made for datasets?

1113

how can i see junk values in dclgen or in hostvariable of comp ?

3000

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