quiz 6 - Chapter 5 Study Guide_T 1 In a client/server...

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__T__ 1. In a client/server network, a server is the most important resource. __F__ 2. A WAN provides connectivity within a limited geographical area, usually spread over several buildings. __T__ 3. A hub is designed to broadcast data to workstations and peripherals. __T__ 4. A ring network connects all devices in a circle, with each device having exactly two neighbors. __F__ 5. Two similar networks can be connected by a device called a gateway, which simply transfers data without regard to its format. __T__ 6. The most commonly used gateway is a router, an electronic device that joins two or more networks. __F__ 7. Unlike fiber-optic cables, twisted pair and coaxial cables do not conduct or transmit electrical signals. __F__ 8. Microwaves cannot be aimed in a single direction and have less carrying capacity than radio waves. __F__ 9. The waveform shown in the figure above marked 2 is a digital waveform. __T__ 10. The waveform shown in the figure above marked 1 is a digital waveform. __F__ 11. The coaxial cable that provides you with more than 100 channels of cable TV has a lower bandwidth than your home telephone line. __T__ 12. A process called handshaking helps two communications devices negotiate and establish communications. __T__ 13. IP is responsible for addressing packets so they can be routed to their destination. __F__ 14. You must have a static IP address to access the Internet. __T__ 15. The Domain Name System is a database stored on the main Internet computer. __F__ 16. Everyone who uses the Internet must have a domain name. __T__ 17. The topology of a CATV system looks a lot like the physical topology for a computer network. __T__ 18. A cable modem is a device that converts your computer's signal into one that can travel over the CATV network. __T__ 19. A cable modem provides an always-on connection that is “on” whenever your computer is powered up. __T__ 20. DOCSIS, a security technology used by cable companies, secures your computer from your neighbors, but it does not close all the holes. __F__ 21. A DSL connection can carry data but not voice. __F__ 22. In many rural areas, DSS (direct satellite service) is the only alternative to a dial-up connection. __T__ 23. The installation cost of a dial-up Internet connection runs about $25. __T__ 24. Firewall software is designed to help keep your computer secure. __T__ 25. A standalone computer with an always-on DSL, ISDN, or cable modem connection is particularly susceptible to intrusions. __D__ 26. The primary disadvantage of networks is ____. a. reduction of travel b. expense c. viruses d. vulnerability to unauthorized access __B__ 27. The type of network that covers a large geographical area is known as a _____. a. LAN
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This note was uploaded on 04/18/2008 for the course BUS 1950 taught by Professor Jabell during the Spring '08 term at E. Illinois.

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quiz 6 - Chapter 5 Study Guide_T 1 In a client/server...

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