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 11348

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

1 4618

How do you terminate an already issued DELAY command?

IBM,

1 6115

Which is the command used for terminating a browse operation?

IBM,

2 5772

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

IBM,

5 11554

What is the difference between pseudo-conversational and conversational?

IBM,

2 9665

What is the function of DFHMDF BMS macro?

2 7625

What is a transid and explain the system transid CEMT?

IBM,

1 10972

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

2 9592

Difference between TSQ & TDQ

3 29021

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

2 7927

What is CEDF?

IBM,

3 11193

What is BMS?

13 24002

Can a program change protected field ?

IBM,

2 15478

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

2 5396

Un-Answered Questions { IBM MainFrame }

What is role in db2?

1167

How is a typical db2 batch pgm executed?

1233

What kind of database is db2?

1089

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1220

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1169

If you are current on the owner of a set, what is the difference between an obtain next and obtain first? Actually in which topic will we use dis???Plz explain it clearly

3215

What are the cics tables?

1121

What is batch dl/i mode?

3412

Which statement is used to identify the private libraries in job?

1252

What does db2 stand for?

1096

What are the advantages of a hierarchical database?

3350

Explain the function of a dd statement?

1282

Can you define temporary storage?

1194

What is the procedure to solve an ASRA ABEND?

1088

What is a storage group (stogroup)?

1294

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