Your organization is planning to establish a secure link between one of your mail servers and a business partner's mail server. The connection will use the Internet. What protocol is the BEST choice?
A. TLS
B. SMTP
C. HTTP
D. SSH

Option (A) is the correct answer of this question.

Explanation:

TLS(Transport Layer Security) is the organization's best protocol for creating a secure connection between one of the mail servers and the mail server of the business partner.The relation is private (or secure) because the transmitted data is encrypted using symmetric cryptography.

The primary objective of the TLS protocol is to provide privacy and data integrity between two or more computer applications which communicate.

Other options are incorrect because they are not the best protocol for planning to establish a secure link .

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