CCNA系列認(rèn)證單項(xiàng)選擇題每日一練(2020.04.08)

來源：考試資料網(wǎng)

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

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2 網(wǎng)絡(luò)工程師選擇QoS方法控制中心站點(diǎn)和分支機(jī)構(gòu)之間的VPN隧道鏈路上的擁塞。下面哪一個(gè)隊(duì)列方法不能用于分類和控制VPN流量？（）

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3 Which option is a valid IPv6 address?（）

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4 What is the effect of the following access list condition? access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。

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5 While troubleshooting a connectivity issue from a PC you obtain the following information:Local PC IP address: 10.0.0.35/24Default Gateway: 10.0.0.1Remote Sever: 10.5.75.250/24You then conduct the following tests from the local PC:Ping 127.0.0.1 – SuccessfulPing 10.0.0.35 – SuccessfulPing 10.0.0.1 – UnsuccessfulPing 10.5.75.250 – UnsuccessfulWhat is the underlying cause of this problem?（）

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