什么是DBA？（） [" 突发光电技术"," 动态带宽分配","C 、数据复用","D 、PON测距"]
如何实现拥塞避免？
对信息的正确理解是（） ["信息和数据是同一个概念","信息是载荷数据的物理符号","信息通常作为输入的资料","信息是加工处理后的数据"]
以下哪些路由表项要由网络管理员手动配置（） [" 静态路由"," 直接路由"," 动态路由"," 以上说法都不正确"]
Which three elements must be used when you configure a router interface for vlan trunking?（） [" one IP network or subnetwork for each subinterface"," subinterface numbering that matches vlan tages"," subinterface encapsulation identifiers that match vlan tags"," a management domain for each subinterface"," one physical interface for each subinterface"," one subinterface per vla"]
波高
