Answer:
The error could let people through who really shouldn't be through
The tool relies on the logged on user's certificate details to encrypt or decrypt files and folders is the encrypting file system (efs).
It gives filesystem-level encryption as part of the improvement made on Microsoft Windows in version 3.0 of NTFS. This technology allows files to be visibly encrypted to secure confidential data from unsecured access to the computer.
I believe your answer would be C, but that also falls under a VPN.
Answer:
Email etiquette refers to the principles of behavior that one should use when writing or answering email messages. It is also known as the code of conduct for email communication. Email etiquette depends upon to whom we are writing- Friends & Relatives, Partners, Customers, Superior or Subordinates
Difference Between Etiquette and Netiquette is that Etiquette is the simple requirements needs for social behavior while Netiquette, is the code of acceptable behaviors users should follow while on the Internet.