Computing

1The OSI layer that uses MAC addresses to move frames on the local network is the

2The number of layers in the OSI model is ___.

3HTTP, SMTP and FTP work at the

4UDP is often used for live video because speed matters more than perfect delivery.

5Port numbers, used to identify applications such as port 80 for HTTP, belong to the

6The unit of data at the transport layer in TCP is a

7Adding headers to data at each layer is called ___.

8The OSI layer that provides reliable end-to-end delivery and error checking (TCP) is the

9The default port number for HTTP is ___.

10The lowest layer of the OSI model, dealing with cables and signals, is the