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 an AICA abend?

IBM, Xansa,

3 33500

What is CEBR?

IBM,

3 15493

Can you have CICS code in a copybook? If yes, what happens during compilation?

IBM,

3 14529

How is the storage determined in the symbolic map, if you have multiple maps?

IBM, Wipro,

2 9091

Which is the program which determines whether a transaction should be restarted ?

1 6076

How do you access the records randomly in TSQ ?

IBM,

2 13573

In an on-line environment, how can you prevent more than one user from accessing the same Transient Data Queue at the same time?

IBM,

2 9527

Mention the option used in the CICS READ command to gain accessibility directly to the file I/O area.

2 8606

What is the content of the PPT entry?

CTS, IBM,

3 13551

What will happen if the TDQ that you want to delete is not in the DCT?

2 10455

What is the ABEND command and when would you use it?

IBM,

2 9371

What are different system tables used in CICS?

IBM,

1 13594

What is the difference between link xctl?

IBM, MBNA,

8 45450

What is the difference between a package and a plan?

Infosys, L&T, Mphasis,

6 51645

How does one bind 2 versions of a CICS transaction with the same module name in two different CICS regions that share the same DB2 subsystem?

2 7771

Un-Answered Questions { MainFrame }

Name a few IBM utility programs, and explain its function.

5041

How to submit a jcl from cics?

1217

Explain the function of data manager.

1103

Write the difference between hidam and hdam databases?

1069

What is the function of dbctl?

1181

Explain the difference between a schema and a subschema in idms?

898

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

3630

How to find or access the current level of a gdg?

888

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

1176

differentiate between sequential files and esds files in vsam?

1248

What is program reentrance?

1222

What are various search techniques in cobol? Explain.

1121

What is the need of base registers in IBM 360/370?

2703

What is data trace system 2.0 used for?

5709

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1300

For More Un-Answered { MainFrame } Questions Click Here