请教各位Routers do not forward broadcast traffic这句什么意思

az246806

QUESTION
Routers perform which of the following functions? (Select three)
A. Packet switching
B. Collision prevention on a LAN segment.
C.Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication
Answer: A, C, F
Explanation:
A. Routers work in Layer 3 of the OSI Model. A major function of the router is to route packets
between networks.
C. Through the use of access lists, routers can permit and deny traffic using layer 3 and layer 4
packet information.
F. The primary purpose of a router is to route traffic between different networks, allowing for
internetworking.
Incorrect Answers:
not prevent all collisions from occurring. As long as there are 2 or more devices on a LAN
segment, the possibility of a collision exists, whether a router is used or not.
D. The broadcast domain of a LAN is often segmented through the use of a router. This results in
reducing the size of the broadcast domain.
E. Routers do not forward broadcast traffic.

最后一句话是什么意思？

seven007

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