312-50V10 · Question #299
A person approaches a network administrator and wants advice on how to send encrypted email from home. The end user does not want to have to pay for any license fees or manage server services. Which o
The correct answer is C. Pretty Good Privacy (PGP). PGP is the best recommendation for free, server-free, end-to-end email encryption. It requires no paid licensing and runs entirely on the client side.
Question
A person approaches a network administrator and wants advice on how to send encrypted email from home. The end user does not want to have to pay for any license fees or manage server services. Which of the following is the most secure encryption protocol that the network administrator should recommend?
Options
- AIP Security (IPSEC)
- BMultipurpose Internet Mail Extensions (MIME)
- CPretty Good Privacy (PGP)
- DHyper Text Transfer Protocol with Secure Socket Layer (HTTPS)
How the community answered
(56 responses)- A2% (1)
- B5% (3)
- C91% (51)
- D2% (1)
Why each option
PGP is the best recommendation for free, server-free, end-to-end email encryption. It requires no paid licensing and runs entirely on the client side.
IPSec is a network-layer VPN protocol that secures IP traffic between network endpoints, not individual email messages.
MIME (Multipurpose Internet Mail Extensions) defines email content formatting and attachment types but does not provide encryption.
PGP (Pretty Good Privacy) is an open-source, client-side email encryption standard that uses asymmetric key cryptography to secure messages. It requires no server infrastructure and no license fees, making it ideal for home users. It is specifically designed for encrypting and signing email communications.
HTTPS secures web browser-to-server traffic and is not an email encryption protocol.
Concept tested: Free client-side email encryption protocol selection
Source: https://www.rfc-editor.org/rfc/rfc4880
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