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 function of the dd dcb keyword?

1258

Explain the purpose of dd dummy statement?

1221

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

1343

Explain the function of dd name parameter with a 2 part structure; audit.report?

1456

Explain how can the submitting users racf authority be overridden in a job stream?

1128

Name what parameter directs the output of the job log dataset?

1054

Explain how can a stopped job be started again?

1139

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1087

Define concatenating?

1100

Explain the function of job statement in jcl?

1211

Explain the function of //jcllib statement?

1215

Explain the function of a dd statement?

1211

Explain the function of dd disp parameter?

1121

Explain the purpose of dd * statement in jcl?

1070

What are the 2 types of parameters in dd statement?

1155

Un-Answered Questions { MainFrame }

List down the types of triggers in the db2 database?

1028

when a task suspends all the handle conditions via the push command, how does the task reactivate all the handle conditions?

1177

records can be read/update/deleted with which file?

1079

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

1266

how do we describe cataloged procedure and an instream procedure?

1083

What are some uses of the evaluate statement?

952

Difference between main program and a sub program in PL/1?

2952

What is the purpose of the dd keylen parameter?

1219

what are the statements that are not valid to be included in an include statement?

1392

Comment whether dclgen is mandatorily used. If not, then what is the point of using it?

1061

How do you reference the following file formats from cobol programs?

1164

Explain the difference between record occurrence and record type in idms?

868

What is an mdt (modified data tag)?

1030

What is batch dl/i mode?

3347

Is acct parameter mandatory?

1208

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