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Chapter 5. Internet Access > Review Questions

Review Questions

1:What are the most popular ways to connect a home-office LAN to the Internet at speeds above 56 Kbps?
A1: Answer: Cable modems and DSL are the two most popular ways to connect home-office LANs to the Internet at speeds of 128 Kbps up to the Internet and 400 Kbps to 800 Kbps down from the Internet.
2:How can a high-speed Internet connection be shared on a SOHO LAN?
A2: Answer: Software sharing can be implemented using Windows Internet Connection Sharing (WICS) and Windows Internet Connection Firewall (WICF) or by using a hardware cable modem or DSL router.
3:Which high-speed connection services would be used to connect small-office LANs with a heavy load to the Internet?
A3: Answer: Frame Relay and T-carrier services are the best candidates for providing high-speed Internet connectivity to a small-office LAN.
4:What is a MAC address?
A4: Answer: It is the 48-bit or 6-hexadecimal digit hardware address found on network interface cards. It is used today to configure ISP routers supporting high-speed Internet connections.
5:What device or feature protects a SOHO LAN from unauthorized access from the Internet?
A5: Answer: A firewall checks that packets coming in from the Internet match requests for data from the Internet to ensure that unauthorized accesses from the Internet are blocked.
6:What router setting makes sure that packets coming from the Internet are matched with requests for those packets?
A6: Answer: Stateful Packet Filtering (SPF) should be enabled.


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