In this post you will find mainframe testing interview questions and answers (part3), most commonly asked interview questions for mainframe.

1  What is FileAID?
–> FileAID is a mainframe tool, accessed by command line that gives the user ability to browse or edit sequential and VSAM files or DB2 database data. It is used to create or change the file contents. You need to provide input file name (which you want to edit / create), then copybook name (layout of the required file).

2. What are the modes browsing in File-AID?
–> (F) Formated Mode (It requires layout in which file should open)
–> (V) Vertical formated Mode (It requires layout in which file should open)
–> (U) Unformated mode (It does not requires layout in which file should open)
–> (C) Charactor Mode   (It does not requires layout in which file should open)

3. What is InSYNC?

 

4. Why do we need File Management Tools?
–> View a file with computational variables
–> View VSAM File
–> Perform all operations on dataset
–> Define VSAM File, Create GDG
–> Compare 2 files
–> Convert file from one layout in to other

5. Difference between IMS Database and DB2 databse?

 

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