1. What is a packet?
A packet is made of bytes that sends information from one place to another. An email message leaves as packets, and a Web page that you receive comes as a series of packets.

2. What is a configuration table?
A configuration table is a collection of information, including:Information on which connections lead to particular groups of addresses.Priorities for connections to be used.Rules for handling both routine and special cases of traffic.

3. What are the two jobs of a router?
Routers are used to send messages to and from other computers.A router links two networks and connects both networks to the Internet.

4. Under “Transmitting Packets” what different routes (e.g. copper wiring) may information take?
Copper cables, or satellites.

5. The largest routers used to handle data at the major traffic points on the Internet are most like _________ rather than office routers.

6. Routing Packets: What is a subnet mask?
This tells the router that all messages with the sender and receiver having an address sharing the first three groups of numbers are on the same network, and shouldn't be sent out to another network.

7. What is a logical address?
This describes a way someone can get a message to you. It is your state city and street address.

8.What is a MAC Address?
The chances are very good that you'll never see the MAC address for any of your equipment because the software that helps your computer communicate with a network takes care of matching the MAC address to a logical address.