How does STP prevent forwarding loops at OSI Layer 2? Mar 22, 2020 Last Updated: Mar 22, 2020 No Comments Share Tweet Share Pin it IT Questions Bank › How does STP prevent forwarding loops at OSI Layer 2? Question: How does STP prevent forwarding loops at OSI Layer 2? A. TTL B. MAC address forwarding C. Collision avoidance D. Port blocking Exam with this question: CA201 Please login or Register to submit your answer Subscribe Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Δ Label {} [+] Name* Email* Δ 0 Comments Inline Feedbacks View all comments