1. Which of the following statements regarding hubs are true?
A. They operate at the data link layer.
B. They increase the number of collisions.
C. Layer 2 addresses are used to make forwarding decisions.
D. Signals are distributed through all ports except the source port.
Correct Answers & Explanations:B, and
D. Answer
B is correct, because a hub increases collisions on your network. When you use hubs on your network, all of them use shared media. Answer
D is correct, because when a hub sends traffic it does this to all ports except the originating port.
Incorrect Answers & Explanations:A, and
C. Answer
A is incorrect, because a hub works at the physical layer. Answer
C is incorrect, because hubs don't work with MAC addresses.
2. Which switching mode ...
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