CCNA系列認證CCNA(200-120)單項選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 Which protocol can cause overload on a CPU of a managed device?（）

2 In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）

3 Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（）

點擊查看答案

4 Users on the 172.17.22.0 network cannot reach the server located on the 172.31.5.0 network.The network administrator connected to console port,issued the show ip route command,and was able to ping the server.Based on the output of the show ip route command topology shown in the graphic,what is the cause of the failure?（）

點擊查看答案

5 Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?（）

點擊查看答案