CCNA系列認(rèn)證CCNA(640-802)單項(xiàng)選擇題每日一練(2020.05.27)

來(lái)源：考試資料網(wǎng)

1 Running both IPv4 and IPv6 on a router simultaneously is known as what?（）

2 What is the default administrative distance of OSPF?（）

3 A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?（）

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4 Which statement about access lists that are applied to an interface is true?（）

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5 When a packet is sent from Host 1 to Server 1, in how many different frames will the packet be encapsulated as it is sent across the internetwork?（）

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