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 device independent method to indicate where a record is stored?

1012

What is a lds (linear data set) and what is it used for?

971

What is the biggest disadvantage of using a vsam dataset?

1102

Using alternate indexes in cics program?

990

What are the distinctive features of a ksda, key sequenced dataset?

967

What does the keyranges parameter in define cluster commends do?

914

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1068

Is it slower if you access a record through alt index as compared to primary index?

994

What is a base cluste?

1049

Would you specify freespace ce for an esds?

1043

What is a lds (linear data set)?

985

What is speed parameters in define cluster command?

995

What is the use of lds (linear data set)?

989

Explain the catalog?

962

Define dynamic processing?

971

Un-Answered Questions { MainFrame }

What is the procedure to read a statement from tsq?

1045

How to traceback if I am getting SOC7 or SOC4 abend? List down the steps

5337

How to declare the pull button in AS/400..

2316

what are JCLLIB and STEPLIB in JCL?

1133

How can you use dynamic calls in cics?

1023

When you specify multiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

1425

How to find the list of source physical files in a library?

1071

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1063

What is qmf?

932

what is the most common way of building queue-id of a tsq?

1055

What statement marks the beginning of an in-stream or cataloged procedure in jcl and assigns default values to parameters defined in the procedure?

1269

pls send the docs of any telecommunication mainframe project

2138

how many files, printer files you can describe in a rpg?

1108

At what point are extension eliminators mandatory?

968

What is the function of entry sequenced data set?

1046

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