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 in brief what are the 3 types of vsam files?

IBM,

1103

how can you copy to a vsam cluster?

IBM,

1143

what do you mean by a shareoptions parameter (shr) in define cluster command?

IBM,

1304

what do you mean by the repro command?

IBM,

1094

is it slower if you access a record through alternative index as compared to primary index?

IBM,

1 2646

what does a file status of 02 on a vsam signifies?

IBM,

1178

to use the rewrite command, how should the vsam file be opened?

IBM,

1308

in a cobol select statement, can you tell what is the organization for a ksds?

IBM,

1110

is oorexx compatible with rexx?

IBM,

941

how long does the install of oorexx take?

IBM,

1002

can I port my existing applications from the mainframe or os/2? Will there be extensive changes required to do this?

IBM,

975

can oorexx run ibm object rexx programs?

IBM,

1005

what is uni-rexx?

IBM,

984

is there an aix version of oorexx?

IBM,

989

what would I use uni-rexx for?

IBM,

948

Un-Answered Questions { IBM MainFrame }

System Testing for Mainframe Developers What is System Testing? integration testing ? what's the procedure ..

2073

What is blu acceleration in db2?

1069

How To Compile The COBOL-BD2-CI CS Programs In Real TIme? Please Give Me the Detailed Description?

6749

Tell me how many alternate indexes you can have on a dataset?

1097

Explain the different ways of initiating transaction in cics?

946

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

2228

Give some examples of command terminators?

1254

what sort card you will use to copy the data from one dataset to another dataset?

1220

) How do u handle errors in BMS macro

2045

What is the function of //jcllib statement?

1316

what methods are available for persisting records in an idms database?

831

Explore the syntax of the evaluate statement?

947

Explain how can a stopped job be started again?

1136

What is the difference between structured cobol programming and object alternativelyiented cobol programming?

1238

What is cobol db2?

996

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