CCNA系列認(rèn)證CCNA(640-801)章節(jié)練習(xí)(2019.05.08)

來源：考試資料網(wǎng)

1 Which of the following host addresses are members of networks that can be routed across the public Internet?（）

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2 What are some common layer 2 encapsulations for a WAN link?（）

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3 How many usable IP addresses can you get from a conventional Class C address?（）

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4 Which statement describe two of the benefits of VLAN Trunking Protocol?（）

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5 What are three valid reasons to assign ports on VLANs on a switch?（）

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6 What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

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7 If an Ethernet port on router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?（）

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8 When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?（）

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9 What term is used to describe the process where one frame is placed into a different type of frame?（）

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10 While troubleshooting a connectivity issue from a PC you obtain the following information:
Local PC IP address: 190.0.3.35/24
Default Gateway: 190.0.3.1
Remote Server: 190.0.5.250/24
You then conduct the following tests from the local PC:
Ping 127.0.0.1 - Unsuccessful
Ping 190.0.3.35 - Successful
Ping 190.0.3.1 - Unsuccessful
Ping 190.0.5.250 - Unsuccessful
What is the underlying cause of this problem?（）

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