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全部科目 > 软件认证工程师考试 > 思科认证考试 > CSE(646-205)

单项选择题

What is A WAN?()

    A.A network that is restricted.to A single building ,A group of buildings, or even A single room.
    B.A network that encompasses an entire city or metropolitanared and connects multiple LANs.
    C.A network that connects client devices wirelessly using radio waves.
    D.A network that crosses metropolitan, regional, or national boundaries.

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