Question: Computer networks exist on different scales. Distinguish between the following types: (a) local-area network; (b) wide-area network; (c) metropolitan-area network; (d) value-added network.

Computer networks exist on different scales. Distinguish between the following types:

(a) local-area network;

(b) wide-area network;

(c) metropolitan-area network;

(d) value-added network.

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