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29 Cards in this Set
- Front
- Back
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The most popular LAN architecture that can run at 10 Mbps, 100 Mbps, or 1 Gbps
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Ethernet
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A ring-based network that does not require a centralized hub and can transfer data at a rate of 100 Mbps
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FDDI (Riber Distributed Data Interface)
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The header and trailer information added to data to form a data packet to be sent over a network
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frame
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Communication that happens in two directions at the same time
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full duplex
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a computer or device that connects networks
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gateway
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Communication between two devices whereby transmission takes place in only one direction at a time
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half-duplex
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any computer or other device on a network that has been assigned an IP address; also called a node
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host
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a network device or box that provides a central location to connect cables
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hub
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a private network that uses the TCP/IP protocols
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intranet
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a computer network that covers only a small area, usually within one building
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LAN (Local Area Network)
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A process that converts private IP addresses on a LAN to the proxy server's IP address before a data packet is sent over the Internet
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NAT (Network Address Translation)
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An expansion card that plugs into a computer's motherboard and provides a port on the back of the card to connect a PC to a network
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NIC (Network Interface Card
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An operating system that resides on the controlling computer in the network
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NOS (network operating system)
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Segment of network data that also includes header, destination address, and trailer information that is sent as a unit
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packet
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a network cable that is used to connect a PC to a hub, switch, or router
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patch cable
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a Windows and Unix command used to troubleshoot network connections; verifies that the host can communicate with another host on the network
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Ping (Packet Internet Grouper)
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A server that acts as an intermediary between another computer and the Internet; substitues its own IP address for the IP address of the computer on the network making a request, so that all traffic over the Internet appears to be coming from only the IP address of the proxy server
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proxy server
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A device that amplifies signals on a network so they can be transmitted further down the line
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repeater
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a network topology in which the nodes in a network form a ring; each node is connected only to two other nodes, and a centralized hub is not required
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ring topology
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a LAN in which all the devices are connected to a central hub
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star topology
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a LAN that uses a logical bus design, but all devices connected to a central hub, making a physical star
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star bus topology
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a topology that is physically arranged in a star formation but is logically a ring because of the way information travels on it
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star ring topology
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a group of four numbers (dotted decimal numbers) that tell TCP/IP if a remote computer is on the same or a different network
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subnet mask
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a device used to segment a network; it can decide which network segment is to receive a packet, on the basic of the packet's destination MAC address
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switch
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The suite of protocols that supports communication on the Internet; part of it responsible for error checking and the other for routing
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TCP/IP
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an older LAN technology developed by IBM that transmits data at 4 Mbps or 16 Mbps
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token ring
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a network or group of networks that span a large geographical area
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WAN (Wide Area Network)
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A data encryption method used on wireless networks that use either 64 bit or 128 bit encryption keys that are static keys, meaning the keys do not change while the wireless network is in use
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WEP (Wired Equivalent Privacy)
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A data encryption method for wireless networks that use the TKIP encryption method and the encryption keys are changed at set intervals while the wireless LAN is in use
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WPA (WiFi Protected Access)
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