IP address 199.32.59.64, subnet mask is 255.255.255.224, subnet address

Layer 2 Ethernet switch works include ()

Which fields in the IPv4 header are related to sharing? (Multiple Choice)

As shown in the figure, the two private network hosts want to communicate with each other through the GRE tunnel. After the GRE tunnel is established, the network administrator needs to configure a static route on the RTA to import the traffic from host A to host B The static routing channel can meet which of the following demand.

There is a TTL field in the header of the IP packet. The correct statement about this field is ()