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 do you make your BMS maps case sensitive?

IBM,

2 11245

What are the various types of accesses that can be allowed by the SERVREQ option of the DFHFCT?

1 4558

How do you terminate an already issued DELAY command?

IBM,

1 6029

Which is the command used for terminating a browse operation?

IBM,

2 5685

How many conditions can you include in a single HANDLE CONDITION command?

IBM,

5 11400

What is the difference between pseudo-conversational and conversational?

IBM,

2 9532

What is the function of DFHMDF BMS macro?

2 7525

What is a transid and explain the system transid CEMT?

IBM,

1 10890

What is the effect of including the TRANSID in the EXEC CICS RETURN command?

2 9491

Difference between TSQ & TDQ

3 28885

Which is the CICS control program which governs the flow of control among the CICS application

2 7821

What is CEDF?

IBM,

3 11045

What is BMS?

13 23578

Can a program change protected field ?

IBM,

2 15380

What is the name of the log which contains the information needed to restart the system, including the task

2 5300

Un-Answered Questions { MainFrame }

can I port my existing applications from the mainframe or os/2? Will there be extensive changes required to do this?

999

What are the advantages of vsam over isam?

1137

when can a job time-out occur? How to overcome that?

1296

in options (main) , what is meaning of main . if u not used main what will happen? After compiling, os will not understand where to load and execute from

2194

is there any way to execute more than one proc in the same exec statement at the same time..?

2640

Name the parameters which can be used to limit the number of records written to a sysout dataset?

1159

Write in brief about clusters?

990

How to find the number of rows in db2 tables?

1074

Does Disconnect and Connect creates page lock in IDMS ?

1464

What is sqlca’s maximum length?

1197

What is the use of predicate?

1044

What is null value in db2?

1032

how many buffers are allocated to vsam ksds and esds?

1167

What do you understand by jcl?

1057

how do you define an altindx ? How do you use altindxs in batch, cics programs?

1076

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