312-50V12 Question #289: Real Exam Question with Answer & Explanation

Question

Sam, a web developer, was instructed to incorporate a hybrid encryption software program into a web application to secure email messages. Sam used an encryption software, which is a free implementation of the OpenPGP standard that uses both symmetric-key cryptography and asymmetric-key cryptography for improved speed and secure key exchange. What is the encryption software employed by Sam for securing the email messages?

Options

• APGP
• BSMTP
• CGPG
• DS/MIME

Explanation

The question describes an encryption software that is a free, hybrid implementation of the OpenPGP standard for email security, which precisely matches the characteristics of GPG.

Common mistakes.

• A. PGP (Pretty Good Privacy) is the original proprietary software and standard that OpenPGP is based upon, not specifically a 'free implementation' of the OpenPGP standard itself.
• B. SMTP (Simple Mail Transfer Protocol) is a network protocol used for sending email, not an encryption software program.
• D. S/MIME is a distinct standard for email encryption and digital signatures, separate from and not an implementation of the OpenPGP standard.

Concept tested. Email encryption standards and implementations (OpenPGP, GPG)

Reference. https://www.gnupg.org/gph/en/manual.html

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