CompTIA
220-1201 · Question #93
Which of the following is an email authentication method designed to detect email spoofing by attaching a digital signature to outgoing email?
The correct answer is B. DKIM. DKIM (DomainKeys Identified Mail) is an email authentication method that attaches a digital signature to outgoing emails to verify the email's authenticity and detect email spoofing.
Submitted by zhang_li· Mar 30, 2026Security
Question
Which of the following is an email authentication method designed to detect email spoofing by attaching a digital signature to outgoing email?
Options
- ASPF
- BDKIM
- CDNS pointer
- DMX records
How the community answered
(32 responses)- A3% (1)
- B88% (28)
- C3% (1)
- D6% (2)
Explanation
DKIM (DomainKeys Identified Mail) is an email authentication method that attaches a digital signature to outgoing emails to verify the email's authenticity and detect email spoofing.
Topics
#DKIM#Email authentication#Email spoofing#Digital signatures
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