CCNA系列認(rèn)證CCNA系列認(rèn)證綜合練習(xí)多項(xiàng)選擇題每日一練(2020.04.12)

來源：考試資料網(wǎng)

1 What are two security appliances that can be installed in a network (Choose two.)（）。

2 網(wǎng)絡(luò)管理員需要在交換機(jī)上配置端口安全。哪兩種說法是正確的？（）

3 What two things will a router do when running a distance vector routing protocol? （）

4 Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0？（）

5 Which two data link layers are supported by cisco ios software for IPv6？（）