If the Length/Type of an Ethernet data frame is 0X8100, which of the following is correct?

What is the main function of the DNS protocol?

When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header?

NFV (Network Functional Virtualization), network function virtualization realizes the deployment of network applications in a software-based way.

The network administrator hopes to effectively use the IP address of the 192.168.176.0/25 network segment. Now that the company's marketing department has 20 hosts, which of the following is the best address segments allocated to the marketing department?