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

What is the EIB (execute interface block)?

IBM,

2 9525

Before issuing an ASKTIME command what will be the values in the EIBDATE and EIBTIME fields ?

1 7622

How do you invoke other programs? What are the pros and cons of each method?

1 4226

What are the beginning and end points of an LUW called?

1 5376

Specify CICS transaction initiation process. (From the perspective of CICS control programs and control tables.)

IBM,

2 10032

How do you set the MDT option to ?ON? status, even if data is not entered?

1 6055

Which of the following are recoverable CICS resources?

IBM,

1 5793

Which is the command that is used to dump the main storage areas related to a task?

IBM,

1 4738

What happens when a CICS command contains the NOHANDLE option?

IBM,

1 8330

Explain the term ?MRO? (Multi Region Operation)?

IBM,

1 8343

What is Quasi-reentrancy?

IBM,

2 8968

What is ASRAABEND in CICS?

IBM,

2 9019

How to get the sign-on user-id from an application program?

1 9441

The DFHCOMMAREA is used to pass information from one application to another. What are some other ways

OBSS, TCS,

7 30027

What are the DB2 steps required to migrate a CICS DB2 program from source code to load module?

3 8679

Un-Answered Questions { IBM MainFrame }

Name the two types of transient data queues?

1044

What is dbkey? Explain.

840

What is the use of with ur in db2?

1051

How gdg are concatenated?

1117

What is iseries database?

1046

In a CICS program, how will you read a VSAM file?

1127

Explain about different table spaces.

1089

Discuss record management in vsam?

966

What are the access modes of START statement?

1267

Define an asra?

1029

How do you round the addition or subtraction of two numbers in assembler?

1020

what happens in conversion stage in job processing?

1217

What is the copy idms subschema-binds?

827

When do you specify the isolation level?

1026

What is acbgen process?

1185

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