CompTIA Network+ (N10-006) — Question 76

Which of the following uses types and codes rather than ports?

Answer options

• A. EIGRP
• B. ICMP
• C. UDP
• D. IPv6

Correct answer: B

Explanation

The correct answer is ICMP, which utilizes types and codes to convey information. EIGRP is a routing protocol, UDP is a transport layer protocol that uses ports, and IPv6 is a networking protocol that does not specifically use types and codes.