Exam N10-009 Topic 2 Question 316 Discussion

Actual exam question for CompTIA's N10-009 exam
Question #: 316
Topic #: 2
A network administrator suspects users are being sent to malware sites that are posing as legitimate sites. The network administrator investigates and discovers that user workstations are configured with incorrect DNS IP addresses. Which of the following should the network administrator implement to prevent this from happening again?

Suggested Answer: C Vote an answer

DHCP snooping is a security feature on network switches that helps to prevent unauthorized (rogue) DHCP servers from assigning IP addresses to clients. By implementing DHCP snooping, the network administrator can restrict DHCP responses to authorized servers only, preventing unauthorized DHCP configurations, such as incorrect DNS IPs, from being assigned to clients. This helps prevent man-in- the-middle attacks where malicious actors misconfigure DNS to redirect users to fraudulent sites.
(Reference: CompTIA Network+ Study Guide, Chapter on Network Security)

by Moses at Apr 15, 2026, 06:13 AM

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