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?

1426

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

1339

How can an in-stream dataset be terminated?

1402

What is the purpose of the dd keylen parameter?

1292

What is the purpose of dd?

1300

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

1 2060

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

1 1910

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

1357

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)?

1177

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

1217

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

1275

What are the bind parameters ibm db2?

1107

what are bind concepts in db2 cobol?

1143

What are foreign keys in db2?

1175

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

991

Un-Answered Questions { IBM MainFrame }

What is the use of predicate?

1095

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

1053

What is cursor stability in db2?

1418

Define data page.

1135

List the type of locks and explain each of them.

979

What is the cics command level?

1116

What is the syntax for creating a table in the db2 database?

1151

Explain how do you access storage outside your cics program?

1027

What is consistency token in db2?

1199

What is catelog procedure and how many catelog procedure to use in one job?

8808

What will happen if some program tries to process a queue on which an ENQ command has been issued by some other program?

2784

which transient data queue support ati?

1193

What is the difference between general testing and mainframe testing?

1176

Explain how to access vsam file?

1142

What is cursor in dbms?

1121

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