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

Give some examples of command terminators?

1261

How many bytes S(8) comp field occupy and its maximum value?

2140

Which Search verb is equivalent to PERFORM…VARYING?

1043

What is the difference between Call and a Link?

1196

Can a Search can be done on a table with or without Index?

1289

A table has two indexes defined. Which one will be used by the SEARCH?

1284

What are all the divisions of a COBOL program?

1217

What is the difference between Global and External Variables?

1377

What are the different rules to perform a Search?

1098

What is a SSRANGE and NOSSRANGE?

1468

Which division and paragraphs are mandatory for a COBOL program?

1276

what is SOC4 error?

1222

what JCL Procedures?

1252

how you can direct the data to spool using SYSOUT option?

1462

what are JCLLIB and STEPLIB in JCL?

1175

Un-Answered Questions { MainFrame }

Explain in detail about buffer manager and its functionalities?

1065

What are the types of data structure in as400?

1037

What is the usage of comp fields in cobol?

1188

Kindly specify the pic clause for the data type of length option field type of data fields?

1147

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1258

What are the advantages of vsam over isam?

1134

What is the function of the verb initialize?

1085

What is dbkey?

878

What does db2 blu stand for?

1165

) How do u handle errors in BMS macro?

1969

Explain what are the various isolation levels possible?

1044

If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

1308

how many buffers are allocated to vsam ksds and esds?

1166

Mention the option used in a cics command to retrieve the response code after execution of the command?

1104

What is maximum displacement and how to cross this limit?

1177

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