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

What is the most common way of building queue-id of a TSQ? (Name the constituents of the Queue ID).

2 5931

What does the BUFFER option in RECEIVE mean ?

IBM,

1 5151

What is temporary storage?

IBM,

1 4085

Specify the CICS command used to read a VSAM record starting with prefix ?F?. Code all the relevant options.

IBM,

2 7481

What is an MDT (Modified Data Tag) - it's meaning and use?

Polaris,

2 29271

What is a logical message in CICS?

IBM, Syntel, Wipro,

1 6574

Which is the control table where you specify all the transaction that are to be started by CICS after CICS

4 7020

What is the difference between using the READ command with INTO option and SET option?

IBM,

2 5812

What are the CICS commands associated with temporary storage queue processing?

2 11409

Which is the AID that will not be identified in the ANYKEY option of the HANDLE AID command?

1 6057

How would you resolve an ASRA abend?

IBM,

2 17314

What are the differences between and EXEC CICS XCTL and an EXEC CICS START command?

1 9634

What is the general Command format of CICS ?

Amdocs,

1 6008

What other file control processing commands are used for file updating?

1 4717

Can you access QSAM (seq ) files from CICS ?

IBM,

2 8965

Un-Answered Questions { IBM MainFrame }

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1217

Discuss record management in vsam?

966

What is the difference between local and central version operating modes?

1302

how do you intitiate another transaction?

1165

what is an mdt (modified data tag)? Its menaing and use?

1127

how do you define single dimensional array and multidimensional array in your cobol?

1089

Explain why do we use file-aid for seqential files?

1067

Define buffer pool.

1046

Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1149

define clustering index.

1018

i want new rexx tool which will perform jcl chk without submitting it

2079

What is the syntax for creating a table in the db2 database?

1103

How ENQ and DEQ used in CICS?

1434

What is db2?

1172

What does a deadlock mean in DB2?

1160

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