When planning a campus network, which of the following methods can be used to divide service VLANs? ()
If the broadcast address of a network is 172.16.1.255, then its network address may be ().
After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is? ()
When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()