Exam 19: Networks

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If your network fails and you cannot get an e-mail or browse the Internet, you should check that _____.

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D

Which of the following is a broadband Internet access technology that works over standard phone lines?

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D

Please briefly describe the following three ways of connecting to the Internet: Cable Internet service, digital subscriber line, and dial-up Internet service.

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- Cable Internet service is a means of distributing broadband Internet access over the same infrastructure that offers cable television service. Local and national cable companies offer cable Internet service for a monthly subscription. Of all Internet services, cable Internet currently offers the fastest access speeds. Cable Internet service uses a cable modem to transfer data from your computer to your home cable connection and then to the Internet.
- DSL (digital subscriber line) is a broadband, Internet access technology that works over standard phone lines. It offers fast, affordable connections. DSL is available from local telephone companies and third
-party DSL providers. DSL services can be symmetrical or asymmetrical. If you need lots of upstream speed, a symmetrical DSL connection could be the best choice.
- Dial
-up Internet service uses a voiceband modem and telephone lines to transport data between your computer and an ISP. The modem converts digital data that originates on your computer into an analog signal that can travel over the same frequencies as voices carrying on a telephone conversation. Many ISPs offer dial
-up Internet access for less than U.S.$10 per month. Access speed is slow, and even downloading software and operating system updates can take hours on a dial
-up connection.

  Referring to the accompanying figure, the _____ is serving the purpose of linking two or more nodes of the network. Referring to the accompanying figure, the _____ is serving the purpose of linking two or more nodes of the network.

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A domain name ends with an extension that indicates its bottom-level domain.

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All networks are secured.

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Your computer acts as a _____ that receives data or services.

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Case-Based Critical Thinking Questions Case 19-1 Leon made a presentation about netiquette. His presentation was followed by a very useful discussion. Answer the following questions that the audience asked him. Which of the following should be avoided when communicating with businesses?

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Which of the following is a video conferencing application?

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Ethernet is a wireless network technology and does not require a cable to connect network devices.

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Which of the following types of communications tools is used for forums and discussion groups?

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NSP equipment and links are tied together by network service points.

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Packets can originate from _____ sources.

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Case-Based Critical Thinking Questions Case 19-1 Leon made a presentation about netiquette. His presentation was followed by a very useful discussion. Answer the following questions that the audience asked him. Which of the following is not appropriate etiquete for e-mail communications?

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The Internet is a global network that connects millions of smaller networks, computers, and other devices that exchange data using a standard communications protocol called _____.

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If your password is strong enough, do not change it.

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When communication is synchronous , messages are held until the recipient is ready to view them.

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Which of the following types of communications tools is used for chat rooms?

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Which of the following is Microsoft's cloud storage service?

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A router's wired _____ port can connect to a modem for Internet access.

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