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 an mdt (modified data tag)?

1030

Explain how do you delete item 3 in a five-item tsq?

924

Explain the system transid cemt?

1104

Explain the function of the load command?

1136

Explain what is the massinsert option?

1069

Define an asra?

1035

How can you use dynamic calls in cics?

1056

What are the some important fields in the eib block?

1152

What is task control?

1167

Explain how do you access the records randomly in tsq?

1109

Explain the thress bms options?

1016

Define an aica abend?

1111

What is the meaning of the deq command?

1144

Explain the difference between exec cics handle condtion and an exec cics ignore command?

1038

Name the cics command used to access current date and time?

1140

Un-Answered Questions { MainFrame }

What is compiler directive in as400? Give example of compiler directive.?

1101

What is an instance database?

1054

which are the query selection criteria, which can be given in a query?

1174

Why do we need reorg in db2?

989

What do you understand by psb and acb?

1125

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

921

what is a rpg?

1193

How many bytes does a s9(7) sign trailing separate field occupy ?

1127

Explain in DD statement what is the use of DCB parameter?

1142

How to override loadlib?

2040

What is need of start 0?

1131

how do you reference the ksds vsam file formats from cobol programs

1193

Can you explain multitasking and multithreading?

1153

Name the 3 common ways to create maps?

1139

How to get the last record in vsam file in cluster? And how can you get the ksds file records into cobol program?

1176

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