What type of network sends signals through airwaves and usually does not require cables? Question 109 options: 1) Wired network 2) Intranet 3) Wireless network 4) Virtual private network
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Question 1 (2 points) Which of the three types of guided (wireline) media is relatively slow for transmitting data, subject to interference from other electrical sources, and can be easily tapped by unintended recipients to gain unauthorized access to confidential data? Question 1 options: 1) Fiber-optic cable 2) Twisted-pair 3) Coaxial cable Question 2 (2 points) What type of modem uses a portion of a voice telephone line to maintain a connection to offer immediately-available broadband access? Question 2 options: 1) Cable 2) Fiber 3) Dial-up 4) DSL (Digital Subscriber Line) Question 3 (2 points) Put the following list of computer networks in the correct order of networks from largest to smallest range of coverage: local area networks (LANs) metropolitan area networks (MANs) personal area networks (PANs), and wide area networks (WANs) Question 3 options: 1) MAN, WAN, LAN, PAN 2) WAN, MAN, LAN, PAN 3) MAN, WAN, PAN, LAN 4) WAN, MAN, PAN, LAN Question 4 (2 points) What type of broadband access to the Internet uses a modem that shares bandwidth among a number of subscribers, such that when large numbers of subscribers access the Internet at the same time, each user's bandwidth can decrease significantly? Question 4 options: 1) Cable 2) Dial-up 3) DSL (Digital Subscriber Line) 4) Fiber Question 5 (2 points) What type of computer network is generally provided by common carriers such as telephone companies and the international networks of global communications services providers? Question 5 options: Local area networks (LANs) Metropolitan area networks (MANs) Wide area networks (WANs) Personal area networks (PANs)
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