EC-Council
312-50V10 · Question #299
312-50V10 Question #299: Real Exam Question with Answer & Explanation
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.
Cryptography
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)
Explanation
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.
Common mistakes.
- A. IPSec is a network-layer VPN protocol that secures IP traffic between network endpoints, not individual email messages.
- B. MIME (Multipurpose Internet Mail Extensions) defines email content formatting and attachment types but does not provide encryption.
- D. HTTPS secures web browser-to-server traffic and is not an email encryption protocol.
Concept tested. Free client-side email encryption protocol selection
Reference. https://www.rfc-editor.org/rfc/rfc4880
Topics
#PGP#email encryption#OpenPGP#cryptography protocols
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