正确答案: C
可以偷占带宽
题目:关于帧中继的说法,正确的是()
解析:C
查看原题
举一反三的答案和解析:
[单选题]下面哪个操作可以使访问控制列表真正生效()。
将访问控制列表应用到接口上
[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?
A cross-over cable
解析:解析:Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.
[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?
255.255.254.0.
解析:解析:Explanation:Toobtain459hoststhenumberofhostbitswillbe9.Thiscansupportamaximumof510hosts.Tokeep9bitsforhostsmeansthelastbitinthe3rdoctetwillbe0.Thisgives255.255.254.0asthesubnetmask.
[单选题]IP扩展访问列表的数字标示范围是多少()。
100-199
[单选题]如果网络中的路由器都是cisco路由器,则优先选择哪一个路由协议()
EIGRP
[单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合划分子网时,每个子网的容量为()
6
[单选题]NAT可以被用于完成多种功能,以下不属于其功能的是:()
内部网络流量控制
[单选题]路由器下“特权用户模式”的标识符是:()