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 u code after getting data?

IBM,

2148

)what is retrieve?

IBM,

1 4611

what is sysncpoint?

IBM,

1 5423

what is MSGLEVEL?

IBM,

1 9490

DATAONLY, MAPONLY functionality?

IBM,

1 4620

How do u write test cases?

IBM,

2063

What type of SDLC u followed? Why?

IBM,

1996

Why IBM?

IBM,

1 2998

IF I mention stop run in CICS what happens?

IBM,

2371

If Region=0k means What Happen?

IBM,

2 7296

In my JCL 10 Steps Will Be there Now i want to execute step05 And step06. How to Give the Cond?

IBM,

2 7405

i have mainprogram and subgram...if i compile mainprogram without stop run..what will u get in compilation time?

HCL,

1 3978

i have mainprogram and subgram...if i compile mainprogram without stop run..what will u get in compilation time?

HCL,

5 11516

run jcl for cobol+db2 pgm?.. //jobcard //step001 exec pgm=ikjeft01 //systin dd * DSNSYSTEM(--------) RUN PROGRAM(MYPGMNAME) PLAN(-----), LIB(-------), PARMS(------) /* WHAT WILL U GIVE INSIDE THE BRACKETS... WHAT IS PLAN,PACKAGE,BIND?..PLAN N PACAKGES ARE GENERATED BY ?...

IBM,

4303

How to Enter The Spool Area In Real Time?

IBM,

7 11160

Un-Answered Questions { IBM MainFrame }

How would you understand error(execution phase)?

1249

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

1131

What is the biggest disadvantage of using a vsam dataset?

1129

Explain the job statement in jcl?

1156

State all the file open modes?

1065

have in 100 records in a file i want to read first 3 records and skip next 3 records and agan i want to read 3 records and again i want to skip 3 records... run a loop from record one to 10 evaluate i/3 if comes even then skip else write to output file

1510

Explain paging concept in memory?

1011

What is the mainframe computer?

941

Is condition checking possible in jcl?

1209

Why is free space left in ksds dataset?

1133

what is amode(24), amode(31), rmode(24) and rmode(any)?

1141

What are packages in db2?

1019

What is the need of a secondary index in IMS?

1058

Define psb?

1083

How to get the last record in vsam file in cluster? And how can you get the ksds file records into cobol program?

1159

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