CompTIA
CV0-003 · Question #523
CV0-003 Question #523: Real Exam Question with Answer & Explanation
The correct answer is D: Digital signature. Digital signatures use cryptographic hashing (e.g., SHA-256) along with asymmetric encryption (e.g., RSA) to verify both the integrity and authenticity of an email message. They ensure that the email has not been altered in transit and confirm the sender’s identity.
Security
Question
A systems administrator needs to configure an email client to ensure data integrity of the email messages. Which of the following provides the BEST mechanism to achieve this goal?
Options
- ACyclic redundancy check
- BSHA-1 hashes
- CSHA-256 hashes
- DDigital signature
Explanation
Digital signatures use cryptographic hashing (e.g., SHA-256) along with asymmetric encryption (e.g., RSA) to verify both the integrity and authenticity of an email message. They ensure that the email has not been altered in transit and confirm the sender’s identity.
Topics
#digital signature#data integrity#email security#cryptography
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