Practice Quiz in Transmission Media Part 3

This is the Online Practice Quiz in Transmission Media part 3 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

Continue Part III of the Online Practice Quiz

Quiz in Transmission Media Question 21. Which of the following primarily uses guided media? A. radio broadcasting B. satellite communications C. local telephone system D. cellular telephone system Question 22. _________ are used for cellular phone, satellite, and wireless LAN communications. A. Radio waves B. Infrared waves C. Microwaves D. None of these Question 23. In an optical fiber, the inner core is _______ the cladding. A. less dense than B. denser than C. the same density as D. another name for Question 24. _______ cable can carry signals of higher frequency ranges than _______ cable. A. Coaxial; twisted-pair B. Twisted-pair; fiber-optic C. Coaxial; fiber-optic D. None of these Question 25. In a fiber-optic cable, the signal is propagated along the inner core by _______. A. refraction B. reflection C. modulation D. None of these Question 26. ________ cable consists of two insulated copper wires twisted together. A. Twisted-pair B. Coaxial C. Fiber-optic D. None of these Question 27. Signals with a frequency between 2 MHz and 30 MHz use _______ propagation. A. ground B. line-of-sight C. sky D. none of these Question 28. ________ cables are composed of a glass or plastic inner core surrounded by cladding, all encased in an outside jacket. A. Twisted-pair B. Coaxial C. Fiber-optic D. None of these

More Practice Quiz in Transmission Media

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.

Complete Practice Quiz in Data Communications and Networking

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