Question

a hub or switch is a box with set of wht ports​

Answer 1

Answer:

• Protocol. Each hub has exactly one upstream port and a number of downstream ports. The upstream port connects the hub (directly or via other hubs) to the host. Other hubs or devices can be attached to the downstream ports.

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Answer 2

Answer:

Protocol is the correct answer

❖ Extra information :

⟡ What is a protocol?

=> Hubs have just one upstream port and a lot of downstream ports. Upstream port connects directly to the hosts and other external hubs and devices. This is called a protocol port.

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