Which statement correctly distinguishes a network service from a protocol?

2025

Answer: B. A service is an interface, and a protocol is the set of rules used to implement it.

1. A.

   A service operates between peer layers, while a protocol operates within the same layer.

2. B.

   A service is an interface, and a protocol is the set of rules used to implement it.

3. C.

   A service defines how data is transmitted, while a protocol decides what services to offer.

4. D.

   A protocol is an abstract concept, while a service is concrete.

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