Appendix A: Answers to Review Questions
1. C A firewall provides a layer of security for a computer that has a direct connection to the Internet. Routers connect subnets. Switches connect computers. A virtual private network (VPN) provides access to a private network over a public network.
2. True Wireless access points (WAPs) often provide connectivity for wireless clients to the Internet.
3. A A local area network (LAN) is a group of computers connected in a single connection. A wide area network (WAN) is a group of computers connected across two or more locations. A virtual LAN is an advanced implementation of a switch and wasn’t covered in this chapter. A virtual private network (VPN) allows connectivity to a private network over ...