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 difference between call and link ?

IBM,

3 14568

How To Set MDT(Modified Data Tag) Thru Application Program? (Dynamically)?

IBM,

2 20277

Explain re-entrancy as applies to CICS.

IBM,

1 5187

What is the CICS supplied transaction which performs syntax checking of a CICS command?

3 7550

What is transient data?

IBM,

1 6086

How are programs reinitiated under CICS ?

ITC Infotech,

1 6866

In which table would you make an entry for a BMS map?

IBM,

2 10160

What is task control and what are the CICS commands associated with it?

IBM,

2 7099

Explain the difference among the EXEC LINK, EXEC XCTL and Cobol II static call statements in CICS.

2 8809

What CICS command would you use to read a VSAM KSDS sequentially in ascending order?

1 8709

Which command is used to release a record on which exclusive control is gained?

1 7481

What is the command that is used to delay the processing of a task for a specified time interval

1 4724

What is interval control and what are some of the CICS commands associated with it?

IBM,

2 9696

When you compile a CICS program, the (pre)compiler puts an extra chunk of code. Where does it get stored

1 5778

What is the error condition that is set when the file specified in the NAME option is not in the FCT?

UHG,

1 6910

Un-Answered Questions { MainFrame }

Write about a ‘view’ in brief?

926

A chkpt is the parameter coded for multi-volume qsam datasets in a dd statement. When a chkpt is coded as chkpt=eov, a checkpoint is written to the dataset specified in the sysckeov statement at the end of each volume of the input/output multi-volume dataset. State whether true or false?

1237

what is the sqlcode -501

12943

can we describe the results of opening for input empty vsam files in a cobol program?

960

how do you reference the fixed unblock file formats from cobol programs

1178

What is the difference between general testing and mainframe testing?

1040

define the purpose of the *cat function?

1585

How to handle exceptional conditions in cics?

1079

What is the mainframe testing?

918

Explain how do you access the records randomly in tsq?

1049

which parameter is use to declare the name of dataset in dd statement?

1207

I have many files which i am receiving from client everyday. I have one step for every file to check for empty or not. Here client gives 30 files i need to check for every file for empty or not and i need to perform 30 steps. Can I do it in single step. Dynamically i need to change the File name in my step.

1175

What is plan and package in mainframe?

893

What do you mean by an alias?

986

can a single screen format occupy a screen area above and below a subfile format ?

1595

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