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

Explain control variable in online screens?

1003

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

1128

Explain the data storage?

997

What is the difference between read(1) and read work file once?

1040

Explain how to move cursor to a particular field when position is not known?

1002

Define cobol coding sheet?

1009

How to receive data passed through jcl parm parameter in a natural program?

972

Explain how are you going to remove duplicates from the file that is being read?

1004

What is the difference between escape(top or bottom) and escape immediate(top or bottom?

1026

How can we see the copy book length using file-aid?

956

What are the sub parameters for undo command?

1087

What is the structure and definition for the same?

1007

What are the parameter we cannot use in procedure? How many instream we can write in single jcl?

1076

Can we call instream to catalog and catalog to instream?

1144

What are the parameter we cannot use in procedure?

1130

Un-Answered Questions { MainFrame }

Explain the catalog?

990

What are the various section in data division and briefly explain them.

1181

what are different record spacing keywords in rlu ?

1934

What are the classifications of the cics program?

1257

What are the 2 sqlcodes that are returned?

1189

What is binder language ?

1900

what are the different methods to access seu?

1099

What the difference is between continue and next sentence?

1166

Explain about LMQUERY�give a dialog information about a data set

1451

Differentiate between hdam and the hidam databases?

1043

Highlight the points of differences between XCTL and START?

1236

what is the purpose of overrides?

1747

What is a buffer in memory?

1058

When you are obtaining next within a set and get a end of set return code, on what record are you now current?

1412

how to pass the parameters from jcl to assembler pgm?

1108

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