What are the two sub layers of the Data Link layer of the OSI model?

Is a socket controlled at the application level in an operating system?

TCP contains several features that benefit the protocol, which of the following answers is not a feature?

There are two access points (wireless routers) A and B that belong to the same subnet. What happens when a mobile device connected to A leaves A's range and enters B's range?

Your ISP has given you a block of addresses: 199.200.199.0/25; how many IP addresses are available for devices on a network.

When a host is generating an ARP packet, what is unknown?

A hierarchical topology is also called a ____ topology.

________ is used to allow remote login on another computer.

A ____ can interpret physical addressing information

______________ provides a nonexclusive it infrastructure over the internet.

__________ encompasses intrusion detection, prevention and response.