Module 5 - 6 Review

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buffer

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A component of fiber-optic cable that helps shield the core and cladding from damage.

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fiber-optic cable

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A cable composed of two kinds of glass (core and cladding), surrounded by insulating material and a protective outer shield (jacket).

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Hub

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A device that extends the reach of a network by regenerating the electrical signal. It also receives data on one port and then sends it out to all other active ports. Hubs are legacy devices that do not segment network traffic and should not be used in today's networks.

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Integrated Services Digital Network (ISDN)

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A broadband standard that uses multiple channels to send voice, video, and data over normal telephone wires.

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intermediary devices

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Devices that exist in between host devices to ensure that data flows from one host device to another host device.

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intrusion detection system (IDS)

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A system that passively monitors traffic on a network.

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intrusion prevention system (IPS)

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A system that monitors incoming and outgoing traffic, looking for malware and network attack signatures. If it recognizes a threat, it can immediately stop it.

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Lucent connector (LC)

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A smaller version of the fiber-optic SC connector, sometimes called a local connector.

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modem

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A device that converts signals produced by one type of device to a form compatible with another device, often used to connect a home or small office to the Internet.

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multimeter

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A tool that can take many types of measurements, including AC/DC voltage, electric current, and other electrical characteristics, to test the integrity of circuits and the quality of electricity in computer components.