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 9553

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

1 7648

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

1 4240

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

1 5397

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

IBM,

2 10056

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

1 6071

Which of the following are recoverable CICS resources?

IBM,

1 5807

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

IBM,

1 4754

What happens when a CICS command contains the NOHANDLE option?

IBM,

1 8342

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

IBM,

1 8366

What is Quasi-reentrancy?

IBM,

2 8985

What is ASRAABEND in CICS?

IBM,

2 9035

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

1 9457

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

OBSS, TCS,

7 30068

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

3 8699

Un-Answered Questions { MainFrame }

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1175

Mention the downsides of page level lock.

1166

How do you simulate the explain of an embedded sql statement in spufi/qmf?

1092

what does a file status of 02 on a vsam signifies?

1183

Where is the vsam ksds placed?

983

how does the runqry show the output?

1422

What is sqlca’s maximum length?

1197

What is access path in as400?

1358

How do I delete a table in database?

1029

at what level s,o are defined and what they will do?

1808

Define base cluster?

1015

What is z os in mainframe?

996

How is a type of file defined in the jcl that executes the cobol program?

1192

Is their any limit for data sets?

1192

how does union file maintains record formats?

1109

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