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

Why there is no questions in this column?

6 16735

What is a GDG

IBM,

4 18739

What is the different ways to initiate a task?

2 13871

why occurs clause not mentioned in 01 level

HCL, NIIT, TCS, Tesco,

6 48334

How to resolve the soc4 and soc7 errors?

IBM, RBS,

5 40094

what is the process of precompiler?

2 16605

What is buffrpool? Where we use it ?

Tesco,

2 13981

what is Runstats? Whem will u choose to runatats?

Danske,

1 13170

what is REORG? what is the use?

4 15671

What is binary search?

3 12639

What is the difference between PIC 9.99 and 9v99?

7 57033

What is the difference between index and subscript?

Visa,

5 41438

What is SET TO TRUE all about, anyway?

5 19120

What is COMP-1? COMP-2?

CitiGroup,

4 20402

What is difference between COBOL and VS COBOL II?.

Winsol Solutions,

1 6505

Un-Answered Questions { IBM MainFrame }

What are the jcl procedures?

1110

What is load replace in db2?

990

What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?

1267

Explain what is the massinsert option?

1059

How does jcl specify the job to the operating system?

1234

What is meant by comp-3 and what is it used for?

1022

Explain how do you set the mdt option to on status, even if data is not entered?

1096

What does a disposition of (MOD,DELETE,DELETE) mean ?

1119

What is amode(24)?

1225

Explain how would you resolve an asra abend?

977

What is explain in db2?

1010

what is difference bt COND, REGION & TIME parameters at JOB & EXEC. give an exp.

9093

How do I import a csv file into db2?

980

Explain the benefits you can get from mainframe connect?

969

What is database descriptor?

1015

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