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

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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

Kindly specify the pic clause for the hhmmss type of data fields?

1124

What are fset, frset?

1072

What does the 'cebr:cics' transactions do?

1081

Kindly specify the pic clause for the any bll cell type of data fields?

1301

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1179

What is the comaera (communication area)?

1171

What dd statement is used to supply the name of a dataset?

1457

In sms datasets, what is the function of the dd avgrec keyword?

1164

How can unused space allocation be returned to the system when a dataset is closed?

1571

What is the purpose of dd dummy statement?

1528

When space is allocated for an output dataset, what units can be used?

1333

What is the function of //cntl statement?

1404

What is the function of dd disp parameter?

1180

Many jcl statements contain specific values designed to direct and control the execution of the statement. What are these fields called?

1291

What is the function of job statement in jcl?

1145

Un-Answered Questions { IBM MainFrame }

What are the two ways in which dl/i interface can be invoked?

1007

Which are the db2 tools to protect integrity of the database?

1170

How to access db2 tables in mainframe?

1108

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1295

Following a db2 update statement, what is the quickest way to compute the total number of updated rows?

1142

Sync points cannot be requested by the application programs? State true or false

1208

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1148

what is pdes?

1169

What is the advantage of creating the acbs well ahead of time?

1085

What is jcl in mainframe, and how many types of jcl statements are there for a job?

1255

What type of SDLC u followed? Why?

2054

WHAT IS THE PROCESS OF "CLAIM PROCESSING SYSTEM"

2443

Can we change the password using ALTER? anyone tried and changed?

2084

Suppose I have five jobs to do. But I want to hold one?

1184

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

1541

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