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 the device independent method to indicate where a record is stored?

921

How do you calculate record size of an alternate cluster?

1138

Explain the biggest disadvantage of using a vsam dataset?

1045

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

1329

Explain how can values be passed from the job stream to an executable program?

1231

Explain how can the attributes of one sms dataset be copied to another dataset?

1217

What are the 4 fields in dd statement?

1275

Explain the purpose of the dd keylen parameter?

1169

Name the parameters which can be used to limit the number of records written to a sysout dataset?

1156

Name the statement which can be used to send data to another mvs jes3 node?

1179

Explain the function of the steplib dd statement?

1137

Explain how can a jobs execution priority be modified?

1204

Explain how can an in-stream dataset be terminated?

1326

Explain the function of //cntl statement?

1172

What is the function of the dd mgmtclas keyword in sms datasets?

1237

Un-Answered Questions { MainFrame }

What is sort?

957

Program to read marks of 10 students for 4 subjects and compute and display total marks and status of each student in rpg

1144

what is difference between cobol and cobol/400

22929

why icetool be used in programmer view?

2577

how many specifications are there in rpg/400? What are they?

2010

How is deadlock resolved?

1148

How do you pull up a query which was previously saved in qmf?

1153

define the purpose/use for sflrna?

1663

How ENQ and DEQ used in CICS?

1443

How to define a directory?

981

how to declare a constant variable in the freeformat?

1407

What is the common systems area?

1059

What are the main uses of the transaction in the cics?

1036

What is the worst thing that you’ve seen on a day?

957

what is diffrence b/w file-aid tool and file-aid utility???

4892

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