An administrator has decided to use the private address 172.20.0.0 for the internal network . if the maximum number of hosts allowed on a subnet is 62. which of the following is true regarding the addressing scheme?(Choose three)<br>A 172.20.62.255 is a host address<br>B Ten bits were borrowed for subnets<br>C 255.255.255.252 is the subnet mask<br>D 172.20.255.64 is a subnet address<br>E Seven hosts bits must be used to meet the addressing scheme requirement<br><br><br><br>[此帖子已被 sky 在 2003-11-5 0:21:10 编辑过]
我猜:<br>A 172.20.62.255 is a host address<br>这个好象是172.20.62.192段里的广播<br><br>C,subnet mask好象是255.255.255.192<br><br>D,172.20.255.64 好象是一个网段哦<br><br><br>B和E选项是什么意思??<br>@@