The communication network can be divided into local area network and wide area network according to the geographical scope it covers, and a metropolitan area network between the local area network and the wide area network. The wide area network is characterized by low delay, high data rate and reliable transmission.

The communication network can be divided into local area network and wide area network according to the geographical scope it covers, and a metropolitan area network between the local area network and the wide area network. The wide area network is characterized by low delay, high data rate and reliable transmission.
A . True
B. False

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Answer: B