10 Cladding is the coating that surrounds fiber optic cables and prevents light

10 cladding is the coating that surrounds fiber optic

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10. Cladding is the coating that surrounds fiber-optic cables and prevents light from leaking out of the fiber. Answer: True Section reference 1: Network Fundamentals Difficulty: Medium Learning Objective 1: LO 6.2 Describe the differences among the three types of wireline communications media, and discuss the main advantages and disadvantages of each type. 11. Systems that use digital subscriber lines (DSL) do not require modems. Answer: False Section reference 1: Network Fundamentals Difficulty: Easy Learning Objective 1: LO 6.2 Describe the differences among the three types of wireline communications media, and discuss the main advantages and disadvantages of each type.
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12. Currently, ATM networks operate only on fiber-optic cable. Answer: True Section reference 1: Network Fundamentals Difficulty: Medium Learning Objective 1: LO 6.2 Describe the differences among the three types of wireline communications media, and discuss the main advantages and disadvantages of each type. 13. The Internet is a global network of computer networks. Answer: True Section reference 1: The Internet and World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet. 14. An intranet is a network that uses Internet technologies and is designed to serve the information needs of a single organization. Answer: True Section reference 1: The Internet and World Wide Web Difficulty: Easy
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Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet. 15. Intranets support discovery, communication, and collaboration inside an organization. Answer: True Section reference 1: The Internet and the World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet. 16. An extranet is a network that uses Internet technologies and is designed to serve the information needs of a single organization. Answer: False Section reference 1: The Internet and World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet. 17. Extranets offer limited accessibility to the intranets of participating companies. Answer: True Section reference 1: The Internet and World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet.
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18. An Internet service provider is a company that offers Internet connections for a fee. Answer: True Section reference 1: The Internet and World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet. 19. Internet kiosks are computer terminals located in public places like libraries and airports. Answer: True Section reference 1: The Internet and World Wide Web Difficulty: Easy Learning Objective 1: LO 6.3 Describe the most common methods for accessing the Internet.
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