MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

In SYMBOLIC Cursor Positioning after moving -1 to the length field also the cursor is not positioned in that particular field. Give reasons?

IBM,

2 6078

What is the command used for receiving a map from a terminal?

1 4331

What are the commands used to gain exclusive control over a resource (for Ex a Temporary storage queue.)?

3 7708

Why must all CICS programs have a Linkage Section ?

4 16719

What are the attribute values of Skipper and Stopper fields?

1 18626

What are the two ways of breaking a CPU bound process to allow other tasks to gain access to CPU.

Patni,

3 8557

What is a two Phase commit in CICS?

IBM,

2 23581

How are VSAM files Read in CICS pgms?

IBM,

4 14307

Which transient data queue supports ATI?

2 8136

What is a mapset?

2 6513

What is the difference between physical map and symbolic map?

IBM,

3 11247

How do you rollback data written to an ESDS file?

IBM, Infosys,

1 10352

What is meant by a CICS task?

4 9482

Explain the means of supporting pseudo conversation programming. (E.g. Storing and restoring of states)

2 6216

What is the significance of RDO?

IBM,

1 9465

Un-Answered Questions { MainFrame }

What are the different opcodes used for file operation on a subfile in a rpg pgm?

1755

Can we use procopt on pcb and segment field (senseg)?

938

how to access the file from prodution from changeman tool and to submit a file to production

7461

What is the difference between PIC 9.99 and 9v99 in COBOL?

1254

how we sort two input files based on a common column and giving one o/p file please send me the coding logic?

2087

What is a mainframe?

938

When we create a pf and did not fill up maint parameter, then by default which access path will the system take & why?

1036

Can you define mdt?

1051

what is the right time for using in-line perform?

980

What does db2 mean?

964

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY

1330

What is alias in db2?

1000

What is a db2 table?

969

Explain the device independent method to indicate where a record is stored?

880

What is cascading rollback?

1143

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