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 define Task Work Area?

IBM,

1 6707

Can you use DYNAMIC calls in CICS ?

IBM,

2 7681

What is MDT? What are FSET, FRSET ?

IBM,

3 26136

How is addressability achieved to the data outside programs working-storage.?

3 7019

Explain the term Function Request Shipping?

IBM,

1 3934

For multithreading an application program need not be re- entrant(True or False).

1 4825

What is the difference between the XCTL and LINK commands?

IBM,

1 7580

What is the CICS Command that is used for reading a record from the TDQ?

IBM,

1 5079

What does EIB mean?

IBM,

3 33791

What is the purpose of the Program List Table?

IBM,

2 7124

The first step in the development of an application system is the Requirement Analysis(True or False).

1 4429

Do you require a table entry for a TSQ?

IBM,

2 7318

Explain the basic difference between Intra partition TDQ and Extra partition TDQ.

IBM,

2 17521

What command do you issue to delete a record in a transient data queue ?

IBM,

1 4943

What is the common work area (CWA)?

EDS, IBM,

1 16076

Un-Answered Questions { IBM MainFrame }

How to find occurrence of mu and pe fields in a file?

949

Why do you need a secondary index in an ims?

1002

What is a SSRANGE and NOSSRANGE?

1535

how can you load a vsam data set with records ?

1224

What is the maximum size of varchar data type in db2?

1182

What is icm instruction?

1122

Can I redefine an x(200) field with a field of x(100) ?

1286

Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1216

What are the objectives of dbms in ims?

1145

What is the output of the following command given in tso/ispf terminal?

1081

What statement marks the beginning of a job step; assigns a name to the step; identifies the program or catalogued or in-stream procedure to be executed in the step?

1163

what are the codes returned by the ams (access method services) command during the execution in vsam?

1352

Can you define aica abend?

1218

What is the contrast between delimited by space and delimited by size?

1019

How can we debug cobol pgm containig idms using xpeditor?

1581

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