[单选题]对路由器的描述,正确的是()
正确答案 :C
多广播域,单冲突域的设备
[单选题]Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use?
正确答案 :D
255.255.254.0.
解析:解析:Explanation:Toobtain459hoststhenumberofhostbitswillbe9.Thiscansupportamaximumof510hosts.Tokeep9bitsforhostsmeansthelastbitinthe3rdoctetwillbe0.Thisgives255.255.254.0asthesubnetmask.
[单选题]命令“ping127.0.0.1”的功能是()
正确答案 :C
测试TCP/IP协议是否正常
[单选题]介质100BaseT的最大传输距离是:()
正确答案 :B
100m
[单选题]路由器的配置文件startup-config存放在()里
正确答案 :D
NVRAM
查看原题