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

Explain Introduction abt Ibm framework

IBM,

2208

Expalin about Ibm frameworkinh working & is it platform independant & open source?

IBM,

2124

Give me example of Ibm framewoek Application?

IBM,

1 4946

Is it rquired any server for Ibm framework? Give me list of Ibm framework & recent version IBm framework?

IBM,

2305

What will happen if we try to create GDG (+2) generaton instead of (+1) generation?

1 7497

How many maximum number of procedures can we write in one COBOL program?

6 11132

Can we move X(9) to 9(9). If yes what are the ways for doing this?

3 10376

What will happen if we move SPACES to numeric field and ZEROES to alphabetic field?

2 8507

What are isolation levels? Where do we need to specify them in compiling JCL?

3 9395

What is SDSF?

3 11999

What will happen if we generate GDG +2 version instead of +1 version?

T systems,

2 10131

Can we move SPACES to numeric field and ZEROES to alphabetic field? If yes what are the way doing this?

T systems,

6 45205

What will happen if we generate GDG (+2) version without generating (+1) version?

IBM, T systems,

2 20512

How many maximum number of procedures can we write in one COBOL program?

5 10804

Can we MOVE X(9) to 9(9) OR 9(9) to X(9)? If yes what are the ways for doing this?

T systems, Tech Mahindra,

12 64662

Un-Answered Questions { IBM MainFrame }

I have program P1 which calls file F1 which has 100 records and following structure 001 .................. 002 .................. 003 .................. 098 .................... 099 ................... 100 .................... Now I want to read these files and write these records in file F2 in following manner. 001 ...... 051 ..... 002 ...... 052 ..... 003 ...... 053 ..... .......... ....... .......... ....... .......... ....... 048 ........ 098 ...... 049 .......... 099 ....... 050 .... 100 ......

12552

how to display the negative numbers?

2385

How can values be passed from the job stream to an executable program?

1525

List the different components of jcl statement?

1151

explain the differences between vsam and non-vsam files

1200

Explain the data storage?

1063

Explain how can a jobs execution priority be modified?

1262

What does the 'cebr:cics' transactions do?

1081

Explain the significance of the shareoptions parameter?

1074

Can you define bms?

1098

What is role in db2?

1167

Explain dclgen.

1274

Explain how to differentiate call by context by comparing it to other calls?

1248

Using alternate indexes in batch program?

1175

If the cursor is kept open followed the issuing of commit, what is the procedure to leave the cursor that way?

1225

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