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?

1183

How is the record format of an output dataset specified?

1158

How can a jobs execution priority be modified?

1290

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

1351

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?

1420

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

1336

What is the function of the dd dcb keyword?

1336

A dd statement consists of 4 fields. Name them?

1419

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

1 2153

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

1134

What parameter directs the output of the job log dataset?

1278

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

1235

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 }

which parameter is used to check the syntax of a jcl without executing it?

1359

mention the option (along with argument type) used in a cics command to retrieve the response code after execution of the command?

1182

What is the maximum length of sqlca?

1523

explain in brief how are different versions of gdg named?

997

Explain the difference between link xctl?

1003

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

8683

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1116

what is the difference between JES3 and JES2?

1130

What is the function of linear dataset in vsam?

1069

what is the JCL statement consists of?

1184

What is bind in db2?

1038

What is a db2 schema?

1223

How can we debug cobol pgm containig idms using xpeditor?

1505

Explain the device independent method to indicate where a record is stored?

916

What is a db2 collection?

1035

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