CompTIA A+ Core 1 (220-1101) — Question 383

Which of the following is considered a connectionless protocol?

Answer options

• A. SSH
• B. TCP
• C. HTTPS
• D. UDP

Correct answer: D

Explanation

UDP is classified as a connectionless protocol because it does not require a connection to be established before data is sent. In contrast, SSH, TCP, and HTTPS are connection-oriented protocols that rely on establishing a connection for data transfer.