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?

1251

How is the record format of an output dataset specified?

1209

How can a jobs execution priority be modified?

1347

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

1412

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

1691

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

1481

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

1393

What is the function of the dd dcb keyword?

1404

A dd statement consists of 4 fields. Name them?

1481

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

1 2256

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

1181

What parameter directs the output of the job log dataset?

1331

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

1328

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

1541

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

1613

Un-Answered Questions { IBM MainFrame }

What is meant by drda?

1011

What is a junction record?

1402

Differentiate between cs and rr isolation levels? Where do you specify them?

1124

Explain the difference between the xctl and link commands?

1178

What the difference is between continue and next sentence?

1227

Is mainframe an operating system?

993

How do you get parameter from JCL to PL1?

2492

What is commarea (communications area)?

1068

Is it rquired any server for Ibm framework? Give me list of Ibm framework & recent version IBm framework?

2305

What is the use of access method services in vsam?

1127

How to pass the parameters from jcl to assembler program?

1062

What is the use of commit in db2?

1147

what are the differences between and exec cics xctl and an exec cics link command?

1357

how do you reference the variable block file formats from cobol programs

1314

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

1412

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