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Exam N10-009 topic 1 question 243 discussion

Actual exam question from CompTIA's N10-009
Question #: 243
Topic #: 1
[All N10-009 Questions]

A network administrator is concerned with on-path attacks and wants to provide encryption of fully qualified domain names in outbound communications. Which of the following best describes the protocol that provides the proper security layer for internet communication?

  • A. SSL
  • B. DoH
  • C. TLS
  • D. DNSSEC
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Suggested Answer: B 🗳️
by AriGarcia at March 17, 2025, 3:08 p.m.

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AriGarcia
1 month, 3 weeks ago
Selected Answer: B
DoH encrypts DNS queries by sending them over HTTPS (port 443), hiding the FQDNs and other DNS data from on-path observers. This prevents attackers from intercepting or manipulating DNS requests, making it an ideal solution for the network administrator’s concern about on-path attacks targeting domain name resolution.
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