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

how JCL works?

1265

in ways data can be passed to a COBOL program from JCL?

1222

what happens when COND is coded in JOB statement and when COND is coded inside EXEC statement?

1299

what is the difference between JES3 and JES2?

1132

how would you create a temporary dataset? And where will you use them?

1404

what is DSN parameter and DISP parameter is used for?

1149

how you can access an uncataloged dataset in a JCL?

1134

what is the JCL statement consists of?

1191

what is “Cond= even” and “Cond=only”?

1313

what is DSN in JCL and what are the parameters to declare the DSN?

1196

what is JCL?

1158

Mention the types of job control statements?

1174

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

1140

What is Cataloged Procedures?

1167

What is the syntax of JCL statement?

1234

Un-Answered Questions { MainFrame }

What is meant by deadlock in db2?

1254

does uni-rexx give me any capabilities designed specifically for the unix environment?

977

What is the function of iebgener?

1051

What is image copy in db2?

1017

how do we describe cataloged procedure and an instream procedure?

1082

What is the difference between general testing and mainframe testing?

1112

What is dbms in ims?

1065

explain the difference between defining subfile and message-subfile?

1870

what does opcode post do ?

1770

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

1294

What is the need of a secondary index in IMS?

1065

What are host variables in db2?

1072

What is rebind in db2?

1060

what keyword must be used with protect keyword ?

1764

Using alternate indexes in cics program?

1012

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