MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

Differentiate between structured cobol programming and object-oriented cobol programming.

1149

Name the sections present in data division.

1246

What is the difference between binary search and sequential search?

1089

Define in-line perform?

1 2209

What is the use of intialize verb?

1254

Write some characteristics of cobol as means of business language.

1142

Define cobol?

1403

What are different data types in cobol?

1321

Define static linking and dynamic linking.

1193

How to know whether the module is dynamical or statistical?

1140

What is the difference between next sentence and continue in cobol programing language?

1221

For rewrite, why is it mandatory that file needs to be opened?

1109

Mention the guidelines to write a structured cobol program?

1095

What is the difference between version control and debugging tools?

1050

What is mainframe testing?

1104

Un-Answered Questions { MainFrame }

What is the utilization of copybook in cobol? Could we utilize a similar copybook?

1233

In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

1465

http default port 80 is used by some other production http service. How can I create an http instance on another port to run cgidev2 and my future cgi developments?

1108

Explain how to build up lu 6.2 communication?

1034

Are you comfortable in cobol or jcl?

1049

Define autostatus in idms?

845

Is condition checking possible in jcl? If yes, how?

1290

For rewrite, why is it mandatory that file needs to be opened?

1109

What is dbms in ims?

1065

What is mainframe testing?

1104

what is eib, how is can be used?

1107

how would find total records in files using sequential?

985

How to read a pf in reverse(from last record to first) using cl?

1123

Which statement is used to identify the private libraries in job?

1185

How jcl is used for testing batch programs?

1280

For More Un-Answered { MainFrame } Questions Click Here