Conclude that the TSM encryption can categories by two types: 1) 
Software/application layer encryption 2) Hardware layer encryption (Tape drive).

Question:
1) Does TSM has any data protection other than this two? Does TSM has default 
encryption if we never configure any setting to enable the software/application 
and there are no license key bought for hardware layer to do encryption?

2)If a software/application was configured or installed on the server, how can 
we check it? (e.g Maybe there are some files or command able to show it and 
please show me the way to check whether is the encryption enable or not to 
protect the data)

3) Can you tell me where are these files and what are their content about:
    - TSM.PWD
    - Dsm.sys
    - Dsm.opt

And What do INCLUDE.ENCRYPT and EXCLUDE.ENCRYPT statements mean? Where are them?
And last question is which file content the encryptkey and encryptiontype 
parameter?

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