Exam CS0-003 Topic 3 Question 376 Discussion

Actual exam question for CompTIA's CS0-003 exam
Question #: 376
Topic #: 3
Numerous emails were sent to a company's customer distribution list. The customers reported that the emails contained a suspicious link. The company's SOC determined the links were malicious. Which of the following is the best way to decrease these emails?

Suggested Answer: A Vote an answer

Comprehensive and Detailed Explanation:
DMARC (Domain-based Message Authentication, Reporting, and Conformance) helps organizations prevent email spoofing and phishing by enforcing policies based on SPF and DKIM.
* Option B (DKIM - DomainKeys Identified Mail) verifies message integrity but does not enforce policies.
* Option C (SPF - Sender Policy Framework) prevents spoofing but is not as comprehensive as DMARC.
* Option D (SMTP - Simple Mail Transfer Protocol) is just an email delivery protocol, not a security control.
Thus, A (DMARC) is the correct answer, as it combines SPF and DKIM to prevent spoofing and phishing attacks.

by Philip at Jun 23, 2026, 08:16 PM

Limited Time Offer

15%

Off

Get Premium CS0-003 Questions as Interactive Self Test Engine or PDF

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Nick name: Submit Cancel
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
0
0
0
10