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 care has to be taken to force program to execute above 16 Meg line?

1 6170

What COBOL construct is the COBOL II EVALUATE meant to replace?

1 6344

What is 88 level used for ?

2 17112

How do we get current date from system with century?

2 10983

If you were passing a table via linkage, which is preferable - a subscript or an index?

TCS,

3 20592

Can the OCCURS clause be at the 01 level?

2 6902

What is the maximum size of a 01 level item in COBOL I? in COBOL II?

IBM, RBS,

2 20399

How may divisions are there in JCL-COBOL?

IBM,

5 19044

What are the differences between OS VS COBOL and VS COBOL II?

IBM,

1 14080

How is sign stored in a comp-3 field?

7 23041

What does the IS NUMERIC clause establish ?

2 14165

What are the differences between COBOL and COBOL II?

CSC,

1 8066

Name the divisions in a COBOL program ?

7 17778

How can you submit a job from COBOL programs?

ITC Infotech,

2 12404

What is the point of the REPLACING option of a copy statement?

3 9892

Un-Answered Questions { IBM MainFrame }

What is the biggest disadvantage of using a vsam dataset?

1203

List out the three types of page locks that can be held.

1202

what is the meaning of ssrange and nossrange?

1062

What is the need to code commits in batch programs?

1200

explain how can you initialize a vsam file before any operation?

1154

Can you define bms?

1098

How to access db2 tables in mainframe?

1107

What do you mean by an alias?

1181

How to check last update on table in db2?

1103

Explain path?

1050

What are packages in db2?

1078

What is journal recovery?

1099

How do you calculate record size of an alternate cluster?

1207

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

1467

What is dbrm library?

1120

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