Question: Which statement regarding WANs is true? A WAN and the internet both cover wide geographic areas and they are the same. WANs use services of

Which statement regarding WANs is true?
A WAN and the internet both cover wide geographic areas and they are the same.
WANs use services of carriers that manage large networks, which can be based on different technologies, such as telephony, cable, satellite and others.
WAN is necessary to connect distant locations of an enterprise.
WAN infrastructures are impossible to set without an existing carrier.

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