Internet routing:. A. precomputes the most efficient route and uses it to ensure rapid packet delivery. B. broadcasts all packets to all hosts so the recipient will be sure to see its traffic. C. makes routing decisions one at a time as a packet crosses individual networks. D. uses port numbers to optimize the transmission of streaming media.

A. precomputes the most efficient route and uses it to ensure rapid packet delivery.

Explanation:

In simple words, what Internet routing means is a process where a router decides which path data packets should follow that are more efficient in delivering the packets across computers.

For example, we can liken the process to the duties of a tour guide in a museum or large building in directing visiting guests who came to explore the museum.

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