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Exam 3: Networks

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Question 21

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_______ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school.​

A) ​WANs
B) ​PANs
C) ​LANs
D) ​BANs

E) A) and B)
F) C) and D)

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Question 22

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On a network, which protocol is responsible for dividing files into chunks, adding headers containing information for reassembling packets in their original order, and error checking?​

A) ​UDP
B) ​IP
C) ​TCP
D) ​FTP

E) C) and D)
F) None of the above

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Question 23

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Networks that form the Internet are maintained by who?​

​Network channels that are capable of moving at least two megabits of data per second are classified as _________ channels.

Mobile broadband can be used to access the Internet from a laptop or desktop computer.​

A communication port is a physical circuit through which data flows.​

Which wireless standard is faster: 802.11n or 802.11ac?​

Your bandwidth _________ is the top speed allowed by your ISP plan.​

The circuitry that enables a device to access a LAN is called a(n) ________.​

Many RFID and NFC tags contain no power source of their own and depend on the receiving device to provide the power for data exchange.​

A Web site cannot be accessed by its domain name until the name is added to the domain name server lists.​

Internet addresses that are temporarily assigned are called ________ addresses.​

When interference affects a wireless signal, data must be re-transmitted.​

Network _________ enables your computer to see other devices on a network, and whether your computer can be seen by others.​

The Internet is the world's largest WAN.​

DSL is an example of what type of Internet access?​

Microwaves have more carrying capacity than radio waves.​

Wireless connections use licensed frequencies that are available for public use.​

In the context of communication networks, the term __________ refers to the structure and layout of network components​

________ is utility software designed to measure responsiveness of an Internet connection.​