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

specify the requirements for automatic task initiation. (Mention the control table, it is entries and the corresponding procedure division cics command).?

IBM,

1150

what is effect on receive map when

IBM,

1265

mention the option (along with argument type) used in a cics command to retrieve the response code after execution of the command?

IBM,

1180

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

IBM,

1127

what are the differences between temporary storage queue (tsq) and transient data quene (tdq)?

IBM,

1226

what are the differences between and exec cics xctl and an exec cics link command?

IBM,

1298

mention the option used in the cics read command to gain accessibility directly to the file i/o area. (Assume cobol-ii).?

IBM,

1100

what are the two ways of breaking a cpu bound process to allow other task to gain access to cpu?

IBM,

1 1714

what are the commands used to gain exclusive control over a resource?

IBM,

1212

when you compile a cics program, the (pre) compiler puts an extra chunk of code. Where does it get included and that is it called? What is its length?

IBM,

1108

what is the differences between getting the system time with eibtime and asktime command?

IBM,

1135

when an apllication is invoked via the exec cics start command with the from option, how does the application gain access to the common area?

IBM,

1072

which is the cics control program that provides communication services between user written application programs and terminals?

IBM,

994

when a task suspends all the handle conditions via the push command, how does the task reactivate all the handle conditions?

IBM,

1172

which cics command must be issued by the application program in order to gain access to the common work area (cwa)?

IBM,

1132

Un-Answered Questions { IBM MainFrame }

What is a db2 package?

1049

Name the various locking levels available?

1089

Is it rquired any server for Ibm framework? Give me list of Ibm framework & recent version IBm framework?

2239

In sms datasets, what is the function of the dd avgrec keyword?

1090

what is db2 restart?

2149

What is the use of reorg in db2?

1080

what happens in conversion stage in job processing?

1218

What will be the result if on size error phrase is declared?

950

Can I cleanly uninstall oorexx?

958

How ENQ and DEQ used in CICS?

1436

How to find out the closest prime number of an input number? I believe it has something to do with SEARCH and COBOL Linear Array.

4163

What are the common vsam error conditions and codes?

1073

Is it possible to left uncode disp?

1201

Explain the difference between various read and find statement?

1048

What is the difference between record occurrence and record type in idms?

849

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