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

What is the meaning of the enq command?

1033

What is the comaera?

1196

Define transient data?

962

What is dynamic transaction backout?

1095

What is interval control?

1060

Explain how do you establish a starting position in a browse operation?

1023

Explain the difference between link and xctl?

906

Explain the logical message in cics?

977

What is the pic clause for the any bll cell type of data fields?

1018

Explain the difference between the into and the set option in the exec cics receive map command?

1071

Explain the cics command that is used for reading a record from the tdq?

942

Explain how do you terminate an already issued delay command?

973

Explain the significance of rdo?

1035

Explain how to build up lu 6.2 communication?

990

Explain the purpose of the program list table?

958

Un-Answered Questions { MainFrame }

What is buffer pool and list some of them?

992

What is rmode(any) ?

1194

Explain the function of the dd dcb keyword?

1196

How is next sentence and continue different?

941

What is comp-1 and comp-2?

1192

Specify the requirements for automatic task initiation?

963

what are the different methods to access seu?

1040

On which levels locks can be applied?

1070

List out the three types of page locks that can be held.

1103

How to Save a Query?

1534

What is bind in db2?

990

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

869

How many maximum base registers we can have in a program?

985

Explain How will you the specification of database file?

832

what is DSN in JCL and what are the parameters to declare the DSN?

1151

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