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?

1230

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

1215

What are the 4 fields in dd statement?

1272

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?

1155

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

1178

Explain the function of the steplib dd statement?

1136

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 }

how do we prepare test data using file-aid tool?

2546

What r the comman abends in db2, jcl and cobol???????

2254

Explain the difference between a schema and a subschema in idms?

833

what is the version of os/400 that we have?

1637

Are there any set of rules for the names of the steps used in a job? What are they?

1075

What is a bind in db2?

1042

What is the purpose of using commit?

1099

What is the difference between local and central version operating modes?

1314

What is a set in idms? What pointers are required, what are possible? How may sets be ordered?

863

if we display var1 then what will b displayed in below condition. 77 var1 pic s9(2) value -10. 77 var1 pic s9(2) value -11. " " " -12. " " " -13. -14 ... ... -19.

6589

How to define data area in RPG program? In which scenario multi occurrence DS is use in AS400?

2012

What is the function of currentdata option in bind?

1035

Which dd parameters are required?

1187

How do you differentiate between cobol and cobol-ii?

1212

if we tried to move year part of *iso date into a field of length 3, what will happen ?

1296

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