PHYSICAL LAYER AND TRANSMISSION MEDIA
TRANSMISSION MEDIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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External
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Internal
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Wireless
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Wired
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Detailed explanation-1: -14. A modem that is contained within the system unit is called a(n) modem. a) external b) internal c) wireless Page 7 d) WiFI Answer: B Difficulty level: Easy Page: 240 Response: A modem contained within the system unit is an internal modem.
Detailed explanation-2: -There are two types of internal modems: dial-up and WiFi® (wireless). The former operates over a telephone line and requires a network access phone number and logon credentials to make a connection. The latter can connect wirelessly and without credentials in certain cases.
Detailed explanation-3: -The modem will slide into a long edge connector in the motherboard of the computer, while the metal “backplane” piece slides along the backplane opening you made by removing one of the placeholder plates.