Exam 6: Data Communications

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HTTPS and SSL/TLS utilize which of the following?

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In order for a printer or laptop to connect to a wireless LAN they must have a

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What is the difference between a LAN and a WAN?

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The 802.11b standard is the dominant WLAN standard today.

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Describe how a VPN works.

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A__________ must be used to convert an analog signal to a digital one,when trying to transmit data over a typical phone line.

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An analog signal is a digital format.

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An ISP functions as a gateway to the Internet.

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To ensure security,VPN client software__________ the original message so that its contents are hidden.

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The computers on ___________ are usually within a kilometre of each other.

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Broadband communications have transmission speeds in excess of

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Which of the following connects computers at different geographic locations?

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What is the purpose of a DHCP server?

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Smart phones combine powerful processors with only voice applications.

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VPN stands for "Visual Protocol Network."

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Wireless devices connect to a wireless LAN using a(n)

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A collection of computers that communicate with one another over transmission lines is called a(n)___________ .

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Narrowband connections typically have connection speeds

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Copper wire,optical fibre and wireless media can be referred to as__________ .

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VPNs enable remote access with public Internet lines.

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