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,

1202

what is effect on receive map when

IBM,

1324

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

IBM,

1237

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

IBM,

1228

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

IBM,

1269

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

IBM,

1357

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

IBM,

1153

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

IBM,

1 1799

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

IBM,

1274

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,

1166

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

IBM,

1194

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,

1121

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

IBM,

1050

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

IBM,

1231

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

IBM,

1185

Un-Answered Questions { IBM MainFrame }

List the type of locks?

984

What is the mainframe computer?

995

What are the different types of PL/1 files?

2235

can you change the attribute in mapset? if so how?

2218

How can you submit a job through cobol program?

1593

What is length is cobol?

1164

Is automatic restart possible in jcl? If yes, how?

1176

What is the compute verb? How is it used?

1192

what is the other verb for release and write ?

1068

What is the copy idms subschema-binds in idms?

906

How can record locking be achieved in those DB2 versions which do not support it?

1138

Which commend used for terminating a browser operation?

1051

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1477

What is currency in idms?

1020

What is the distinction amongst include and copy?

1038

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