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Exam CS0-003 topic 1 question 352 discussion

Actual exam question from CompTIA's CS0-003
Question #: 352
Topic #: 1
[All CS0-003 Questions]

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?

  • A. DMARC
  • B. DKIM
  • C. SPF
  • D. SMTP
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Suggested Answer: A 🗳️
by ada26b1 at March 31, 2025, 11:39 a.m.

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ada26b1
2 weeks, 6 days ago
Selected Answer: A
DMARC (Domain-based Message Authentication, Reporting & Conformance) helps to prevent email spoofing by verifying that the email message is coming from an authorized source. It builds upon SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), and provides a mechanism for domain owners to publish policies on how to handle email that fails authentication checks.
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