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 are the two outputs created as a result of generation of a map?

IBM,

2 8405

What is a Logical Unit of Work (LUW)?

1 15486

How does COBOL II and CICS release 1.7 provide for exceptional conditions and how does that differ from

IBM,

1 5789

I have written a CICS program. What tables should I setup to run this program?

IBM,

3 8678

List the sequence of steps used to achieve ?Modification in Skip Sequential Mode.?

1 7023

What do the terms locality of reference and working set mean?

1 5740

The EIB field which gives the last CICS command executed is

IBM,

2 9867

What is ENQ in CICS?

IBM,

2 20998

What are the six different types of argument values in COBOL that can be placed in various options of a CICS command?

1 7007

What is Journal Recovery and Dynamic Transaction Backout?

IBM,

2 7253

What is the CICS command that gives the length of TWA area?

IBM, TCS,

3 19363

What is the MASSINSERT option?

IBM, TCS,

1 7695

What will be the length of the eibcalen ,if the transaction is used to cics first time?

IBM,

3 7933

What is the difference between FSET and FRSET?

3 19728

What is the difference between a physical BMS mapset and a logical BMS mapset?

IBM,

3 10954

Un-Answered Questions { MainFrame }

What is buffer pool in the db2 database?

1162

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1187

how you will find an error which is not in the first page of the subfile without using rolldown key?

1082

What is an mdt (modified data tag)?

1103

how many levels are there in a physical file?

1868

I have a pf, it contains 5 members, how to access particular member data from logical file?

1023

Discuss some of the terminology of idms.

995

Explain the function of //jcllib statement?

1281

Why do we need integrated cics translator?

1132

Can you define foreign keys?

1089

Explain how can you do the explain of a dynamic sql statement?

1181

Which commend used for terminating a browser operation?

1051

Explain the biggest disadvantage of using a vsam dataset?

1099

Brief description of inline procedure of jcl.

1326

which cl command can be used at program execution to redirect the file named in an rpg program?

1247

For More Un-Answered { MainFrame } Questions Click Here