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1 What can be done to secure the virtual terminal interfaces on a router?（）

2 哪一個(gè)OSPF命令可以把所有端口劃分進(jìn)area 0？（）

3 Identify the four valid IPv6 addresses.（）

4 Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state?（）

5 PPP如何與不同網(wǎng)絡(luò)層協(xié)議交互？（）

6 Which IPV6 routing protocol uses multicast group FF02::9 to send updates?（）

7 有哪三個(gè)原因，一個(gè)組織擁有多個(gè)分支機(jī)構(gòu)和漫游用戶有可能實(shí)現(xiàn)點(diǎn)至點(diǎn)WAN鏈接的思科VPN解決方案呢？（）

8 什么的SNMP消息提醒管理者到網(wǎng)絡(luò)上的一個(gè)狀況？（）

9 TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）

10 Which two subnetworks would be included in the summarized address of 172.31.80.0 /20?（）

CCNA系列認(rèn)證章節(jié)練習(xí)(2020.04.27)