多项选择题
A. Packet switching
B. Collision prevention on a LAN segment
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication
单项选择题 A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）
单项选择题 Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational? （）
多项选择题 Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. （）