Review Questions

1:	What is the primary purpose of a LAN?
2:	What is a protocol?
3:	What is the purpose of a MAC protocol?
4:	What is a frame?
5:	What feature is common to all frame types?
6:	What is a MAC address or MAC identifier?
7:	Why is a MAC address not a true address?
8:	What are the three sources of signal degradation on a data link?
9:	What is the purpose of a repeater?
10:	What is the purpose of a bridge?
11:	What makes a transparent bridge transparent?
12:	Name three fundamental differences between LANs and WANs.
13:	What is the purpose of a broadcast MAC identifier? What is the broadcast MAC identifier, in hex and in binary?
14:	What is the primary similarity between a bridge and a router? What is the primary difference between a bridge and a router?
15:	What is a packet? What is the primary similarity between a frame and a packet? What is the primary difference between a frame and a packet?
16:	As a packet progresses across an internetwork, does the source address change?
17:	What is a network address? What is the purpose of each part of a network address?
18:	What is the primary difference between a network address and a data link identifier?