CCNA系列認證CCNA(640-802)章節(jié)練習(xí)(2019.10.22)

來源：考試資料網(wǎng)

1 A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless card. The client section of the access point does not list any active WLAN clients. What is a possible reason for this?（）

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2 Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?（）

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3 Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)（）。

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4 What should be part of a comprehensive network security plan?（）

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5 Which command is used to see the path taken by packets across an IP network?（）

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6 Which two statements are characteristics of a distance vector routing protocol?（）

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7 In an Ethernet network, under what two scenarios can devices transmit?（）

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8 Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial number?（）

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9 How does using the service password encryption command on a router provide additional security? （）

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

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