CompTIA Network+ (N10-007) — Question 417

Which of the following protocols is associated with a three-way handshake?

Answer options

• A. UDP
• B. ICMP
• C. GRE
• D. TCP

Correct answer: D

Explanation

The correct answer is D, TCP, which is known for establishing connections using a three-way handshake to ensure reliable communication. UDP, ICMP, and GRE do not employ this method; UDP is connectionless, ICMP is used for diagnostic purposes, and GRE is a tunneling protocol.