1. Name the different types of networks.
2. What is meant by “bandwidth”?
3. What is the difference between an intranet and an extranet?
4. How does a virtual private network (VPN) provide security?
5. What is the purpose of a modem?
6. Describe the basic functions of business networks.
7. How do investments in network infrastructure impact an organization?
8. Name the two tiers of traffic to which quality of service is applied.