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

Explain the function of entry-sequenced data set?

1031

State the differences between vsam and non-vsam files?

1053

What is the main function of key-sequenced data set?

1023

Differentiate between control interval (ci) and control area (ca)?

1005

Differentiate between ci split and ca split?

1006

Describe the uses of ams?

1010

What are the information stored in ci?

1000

What is a vsam dataset?

1030

Tell about the ams used in vsam?

1176

Discuss record management in vsam?

967

What do you understand by the term job time – out and how can you overcome that?

1026

What is the motivation behind coding class parameter in job statement?

1176

List the different components of jcl statement?

1086

List the different jcl statements that are not permitted in the procedures?

1080

What are the rules employed while naming the steps in a job?

1139

Un-Answered Questions { IBM MainFrame }

what is the most common way of building queue-id of a tsq?

1083

what is need of start 0? In steed of

1092

When you are obtaining next within a set and get a end of set return code, on what record are you now current?

1406

Which components manage deadlocks in db2?

1066

How to rename a table in DB2 ?

1088

what are s0c1, s0c4, s0c5, s0c7 abends?

1304

What is the function of a dd statement?

1203

Suppose I have five jobs to do. But I want to hold one?

1127

What is CICS ?

987

What are the various error conditions seen in rexx?

914

which utility is used to run a cobol-db2 program?

1396

What is non-conventional programs?

1082

How is next sentence and continue different?

981

Are scope terminators compulsory? If they are, when?

954

Can I redefine an x(200) field with a field of x(100) ?

1207

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