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 16509

What is a GDG

IBM,

4 18548

What is the different ways to initiate a task?

2 13756

why occurs clause not mentioned in 01 level

HCL, NIIT, TCS, Tesco,

6 48023

How to resolve the soc4 and soc7 errors?

IBM, RBS,

5 39843

what is the process of precompiler?

2 16440

What is buffrpool? Where we use it ?

Tesco,

2 13872

what is Runstats? Whem will u choose to runatats?

Danske,

1 13066

what is REORG? what is the use?

4 15496

What is binary search?

3 12506

What is the difference between PIC 9.99 and 9v99?

7 56785

What is the difference between index and subscript?

Visa,

5 41198

What is SET TO TRUE all about, anyway?

5 18943

What is COMP-1? COMP-2?

CitiGroup,

4 20227

What is difference between COBOL and VS COBOL II?.

Winsol Solutions,

1 6415

Un-Answered Questions { IBM MainFrame }

What does a disposition of (new,catlg,keep) for a dsn mean?

1081

Explain cedf transaction commands?

1098

Which components manage deadlocks in db2?

1029

What is the role of union all and union

1082

What is the maximum size of a char data type in db2?

971

what is use of disp parameter in dd statement?

1050

how JCL works?

1216

Can records be accessed randomly in esds?

919

what is use of dcb parameter in dd statement?

1246

we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

1266

there are seven idcams commands in vsam. Can you name and explain each of them?

1068

How do you get the data to code the BMS macro?

1928

Explain about mirror activator disk mirroring?

967

What is cobol coding sheet?

1144

What is the function of //jcllib statement?

1279

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