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 8243

What is a Logical Unit of Work (LUW)?

1 15365

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

IBM,

1 5692

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

IBM,

3 8510

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

1 6941

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

1 5649

The EIB field which gives the last CICS command executed is

IBM,

2 9713

What is ENQ in CICS?

IBM,

2 20842

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

1 6913

What is Journal Recovery and Dynamic Transaction Backout?

IBM,

2 7121

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

IBM, TCS,

3 19194

What is the MASSINSERT option?

IBM, TCS,

1 7581

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

IBM,

3 7782

What is the difference between FSET and FRSET?

3 19544

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

IBM,

3 10736

Un-Answered Questions { MainFrame }

What is a cics task?

1058

at what level s,o are defined and what they will do?

1788

If I have limited experience with Rexx or it's been a long time since I've used it, what kind of help is available to get me started?

896

Which division and paragraphs are mandatory for a COBOL program?

1271

How joinkeys helps in sort?

984

If i change any file through application after entering data , how to check which file is updated through applications . For call stack we takes esc 3 then we chose 11..But What is answer of below qtn..?

1909

Explain the difference between record occurrence and record type in idms?

858

What is dbrm? When it will be created?

1021

What are the different rules of SORT operation?

1134

how to run other job when one job is active?

1012

There is one string as A B C and wanted to display string as Shri A Shri B Shri C, how we can do this in sql? If we have around 100 values in string like this, each value should be displayed with initials as Shri.

1176

What is the function of iebgener?

1048

What is an instance database?

1047

What is inspect in cobol ?

1293

what is full form for dds?

1198

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