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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

How do you make your BMS maps case sensitive?

IBM,

2 11221

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

1 4547

How do you terminate an already issued DELAY command?

IBM,

1 6004

Which is the command used for terminating a browse operation?

IBM,

2 5667

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

IBM,

5 11365

What is the difference between pseudo-conversational and conversational?

IBM,

2 9509

What is the function of DFHMDF BMS macro?

2 7500

What is a transid and explain the system transid CEMT?

IBM,

1 10883

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

2 9465

Difference between TSQ & TDQ

3 28848

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

2 7792

What is CEDF?

IBM,

3 11021

What is BMS?

13 23477

Can a program change protected field ?

IBM,

2 15358

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

2 5287

Un-Answered Questions { IBM MainFrame }

What is 'mounting' of volumes ? Is there anything that a programmer can do in it ? How to find currently mounted volume ?

2555

Explain the function of a dd statement?

1202

How to view db2 table structure?

1012

What are the main uses of the transaction in the cics?

1034

Hi pls anybody tell me about " ANALYSIS DOCUMENT PREPARATION AND ESTIMATION OF TASK " (in real time project)."I want to update a sequential file in my project" for that purpose i need both structures i mean analysis document and estimation of task.

2141

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

921

how long does the install of oorexx take?

1001

What is the comaera?

1254

How can you validate Sql errors during cursor operation in db2 pgms and where do you code?

2210

What is a set in idms?

832

Explain the difference between temporary storage queue (tsq) and transient data quene (tdq)?

991

Explain cemt transaction commands?

1153

What is page size in db2?

971

what do you mean by gdg in vsam?

1190

What is the difference between version control and debugging tools?

1043

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