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

Which dd parameters are required?

1182

How is the record format of an output dataset specified?

1158

How can a jobs execution priority be modified?

1288

What is the maximum length of a single line of jcl?

1349

What statement can be used to send data to another mvs jes3 node?

1638

How can the attributes of one sms dataset be copied to another dataset?

1417

How can the disposition of sysout datasets be set for an entire jobstream?

1335

What is the function of the dd dcb keyword?

1334

A dd statement consists of 4 fields. Name them?

1418

How can a job send a status message to a tso user at the completion of a job?

1 2150

a dd statement has 2 types of parameters. Name them?

1132

What parameter directs the output of the job log dataset?

1276

What is the function of dd name parameter with a 2 part structure; audit.report?

1234

How can return codes be tested before execution of a job step?

1477

Can an individual step be restricted from using all the jobs allowed cpu time?

1550

Un-Answered Questions { IBM MainFrame }

What is drda ?

1111

difference between tsq and tdq?

1209

What are the two types of logging in the db2 database? Explain them.

1071

Define communication area?

990

What is the function of the steplib dd statement?

1194

Explain ibm z?

1008

What is the function of dbctl?

1117

Name the versions of ibm mainframes have introduced in the market?

960

Can a Search can be done on a table with or without Index?

1287

What are the advantages of vsam over isam?

1133

Explain the advantage of creating the acbs well ahead of time?

3568

What is the meaning of Copy IDMS Subschema-Binds?

1683

What is ibm db2 used for?

1074

In job processing, what happens in conversion stage?

1191

Explain adabas basic concepts. Like inverted list, address converter ,data storage?

986

For More Un-Answered { IBM MainFrame } Questions Click Here