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Computers communicating on a network must follow a _____, a common set of rules for exchanging information.


A) standard
B) protocol
C) syntax
D) topology

E) None of the above
F) All of the above

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Keisha needs to connect to the Internet, but no wireless networks or Wi-Fi hotspots are available. What can she use instead to make the connection?


A) mobile hotspot
B) Bluetooth connection
C) virtual private network
D) cell phone hotspot

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

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Which of the following network standards applies to cellular networks?


A) Wi-Fi
B) LTE
C) Phoneline
D) Ethernet

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

Correct Answer

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You are dropping your friend back home after a night at the movies. From the car, she turns on the indoor lights in her home using an app on her phone. How is your friend able to do this?


A) She uses a hub at her home that she connects to through the app.
B) She has installed switches that interact with the installed app on her phone.
C) She has a home network with smart home devices.
D) She dialed into her home modem through the app and sent a command through the router.

E) A) and C)
F) All of the above

Correct Answer

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What does a DSL modem use to send and receive digital data?


A) Copper telephone wiring
B) Cable TV connections
C) A wireless router
D) A network interface card

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

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If you upload photos to a NAS device, everyone on the network can access them.

A) True
B) False

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What is an ISP?


A) A telecommunications company that sells Internet access.
B) A communications device that connects to a communications channel.
C) A central point for cables in a network for data sharing,
D) A system of two or more devices linked by wires, cables, or a telecommunications system.

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

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What type of network sends signals through airwaves and usually does not require cables?


A) Wired network
B) Intranet
C) Wireless network
D) Virtual private network

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

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If you connect to a Wi-Fi network that does not require a wireless network key, it is still secure enough to send private information because wireless networks encrypt all data anyway.

A) True
B) False

Correct Answer

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Which network protocol allows devices to communicate with each other over a short range, usually less than 30 feet/9 meters?


A) RFID
B) NFC
C) Bluetooth
D) IrDA

E) All of the above
F) None of the above

Correct Answer

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A modem can also function as what other piece of hardware?


A) A hub
B) A switch
C) A router
D) A network interface card

E) A) and B)
F) All of the above

Correct Answer

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Which of the following is a disadvantage of using cloud computing to share files?


A) The amount of space that files will take up on your computer.
B) The inability to access your files if you lose your Internet connection.
C) The files you will lose if your computer crashes.
D) How long it will take to access a backup of files.

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

Correct Answer

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