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

What is the EIB (execute interface block)?

IBM,

2 9696

Before issuing an ASKTIME command what will be the values in the EIBDATE and EIBTIME fields ?

1 7758

How do you invoke other programs? What are the pros and cons of each method?

1 4344

What are the beginning and end points of an LUW called?

1 5462

Specify CICS transaction initiation process. (From the perspective of CICS control programs and control tables.)

IBM,

2 10173

How do you set the MDT option to ?ON? status, even if data is not entered?

1 6149

Which of the following are recoverable CICS resources?

IBM,

1 5904

Which is the command that is used to dump the main storage areas related to a task?

IBM,

1 4828

What happens when a CICS command contains the NOHANDLE option?

IBM,

1 8427

Explain the term ?MRO? (Multi Region Operation)?

IBM,

1 8480

What is Quasi-reentrancy?

IBM,

2 9115

What is ASRAABEND in CICS?

IBM,

2 9135

How to get the sign-on user-id from an application program?

1 9542

The DFHCOMMAREA is used to pass information from one application to another. What are some other ways

OBSS, TCS,

7 30310

What are the DB2 steps required to migrate a CICS DB2 program from source code to load module?

3 8813

Un-Answered Questions { MainFrame }

What is qsam?

892

explain icm instruction?

1152

What is the contrast between delimited by space and delimited by size?

1023

What is the result of open cursor statement?

1138

Can you explain communication area?

1102

How to override a dsn that is contained in a proc called by another proc? I need to do the override in the calling jcl?

1220

When would you use abend command?

1251

Explain the contention situations caused by locks?

1154

What is psb?

1096

what is the difference between sflclr and sflinz?

1860

explain how many ways you can load data in a vsam cluster?

1102

Define transient data?

1096

State the differences between vsam and non-vsam files?

1116

How can we update a specific field in RPG?

1423

What is bufferpool in db2?

1104

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