MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

In real storage usage. By monitor through rmf iii the usage of real storage keep in increasing everyday. Why this happen?

907

What is afoper?

923

How to create 1 ddm that fetches 3 adabas files simultaneously?

991

Explain adabas basic concepts. Like inverted list, address converter ,data storage?

1048

What is a hyperdescriptor? How does it work?

1199

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

1059

What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1091

Explain the difference between external subroutine and subprogram?

1315

Explain difference between read(1) and read work file once?

1020

Tell me can we update with histogram?

1241

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

1176

Explain difference between read work file 1 and read work file once? Why we are using work file once?

1024

Can you explain control variable in online screens?

1037

What is the quality process in development?

1156

Can we see the copy book length using file-aid?

969

Un-Answered Questions { MainFrame }

What parameters are used to control the free space in DB2?

1104

which parameter is use to declare the name of dataset in dd statement?

1328

What does a COMMIT statement do?

1461

Explain the difference between a physical bms mapset and a logical bms mapset?

1037

What is the difference between comp and comp-3?

1231

What is non-conventional programs?

1139

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1272

can we use ASCII ,CDUP,SENDPASV commands in SFTP?

3728

Explain The Keywords Edtcde & Edtwrd?

1467

What is cics load command?

1140

What is the difference between general testing and mainframe testing?

1183

Can you define ppt and what are its uses?

1128

Explain how can return codes be tested before execution of a job step?

1384

What are the common cics service programs and explain their usage?

1083

explain how many ways you can load data in a vsam cluster?

1102

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