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,

1327

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

IBM,

1239

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

IBM,

1233

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,

1360

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

IBM,

1155

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,

1275

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,

1167

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

IBM,

1196

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,

1051

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

IBM,

1232

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

IBM,

1188

Un-Answered Questions { IBM MainFrame }

How do you calculate record size of an alternate cluster?

1207

Tell me abt any another framework which is challening for Ibm framework

2168

How do I delete a column in db2?

1162

Explain the difference between lds and esds?

1094

Whats the difference between search & search ALL?

6686

What is mainframe computer /system?

1082

Can you explain communication area?

1100

How many register we are using in mvs?

1093

What is consistency token in db2?

1201

What does sqlcabc has?

1101

Explain the function of data manager.

1101

What is the difference between spufi and qmf?

1215

Explain the difference between various read and find statement?

1133

What is the place for VSAM KSDS?

1159

Can you explain create an empty file by using sort?

1013

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