Exam N10-009 Topic 4 Question 658 Discussion

Actual exam question for CompTIA's N10-009 exam
Question #: 658
Topic #: 4
Which tool is used to test host reachability and measure round-trip time for messages?

Suggested Answer: D Vote an answer

Ping sends ICMP Echo Request packets and waits for Echo Replies to verify host reachability and measure round-trip time.
* A. tcpdump captures packets but does not test reachability.
* B. netstat displays open ports and network sessions.
* C. nslookup queries DNS servers for name resolution.
References (CompTIA Network+ N10-009):
* Domain: Networking Concepts - ICMP operation, troubleshooting tools.

by Evan at Jul 10, 2026, 07:01 AM

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