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A(n)_____ is a device that passes network traffic between networks or subnets.

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Which of the following uses software to establish a secure channel on the Internet for transmitting data?


A) Public network
B) Private network
C) VAN
D) VPN

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

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What Windows option do you need to activate so that you can share files on your home network?


A) VPN
B) File-sharing
C) FTP
D) Internet options

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

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_____ uses a very thin glass or plastic fiber through which pulses of light travel.

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Which type of Internet connection is limited to the distance between you and your phone company; generally about 3 miles?


A) Dial-up
B) DSL
C) Cable
D) Satellite

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

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What is the most common type of network interface card (NIC) ?


A) WAP
B) Cat 5
C) Broadband router
D) Ethernet card

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

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Which of the following models describes an environment where the computer receiving information from a server shares processing responsibilities with the server?


A) Distributed logic model
B) Remote data management model
C) Distributed presentation model
D) Distributed data management model

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

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Which type of network covers a large geographic distance,such as a state,a country,or even the entire world?


A) WAN
B) MAN
C) VPN
D) LAN

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

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Bandwidth speed is measured by _____.

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bps or bits per second; or hig...

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A telephone modem is a device that connects your computer to your phone line so that you can access another computer or network.

A) True
B) False

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Which type of high-speed circuit is used by businesses for their Internet connection?


A) T1 and DS3
B) Cable
C) Satellite
D) Dish

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

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Which type of communication medium does not use radio waves?


A) Bluetooth
B) WiFi
C) Twisted pair
D) Microwave

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

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What type of Internet connection uses ordinary telephone lines and a modem?


A) DSL
B) Cable modem
C) Dedicated high-speed line
D) Dial-up circuits

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

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A(n)_____ allows you to access the Internet through your cable connection.

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What type of security threat is it when a Web server is flooded with requests from thousands of users at once and causing it to become unavailable?


A) Firewall
B) Intrusion detection system
C) Denial-of-service
D) Availability

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

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What is bandwidth?


A) The capacity of the communications medium to send information in a given amount of time
B) The number of computers able to send information simultaneously over a network
C) The type of communication device connected to a network
D) The amount of data that can move over the Internet at any given time

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

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_____ communications radiate information into the air,either very narrowly beamed or in many directions.

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Malware or malicious software can include _____,_____,and _____.

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spyware,vi...

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Infrared communications can penetrate walls,buildings,and other structures.

A) True
B) False

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A virtual private network uses _____ to establish a secure channel for transmitting data.

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