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34 Cards in this Set
- Front
- Back
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What does LAN stand for |
Local Area Network |
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What is WAN |
Wide Area Network. Covers a large geographical area |
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what is a node? |
A basic unit in computer science; a connection point |
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What is NIC? |
Network Interface Card. Circuitry that transmits and receives data on a local area network
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what is a client/server model? |
A network where processing is split between clients and servers |
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what is a peer-to-peer model? |
A network where workstations are both file servers and clients |
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what is physical topology? |
The actual layout of network devices and cables |
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what is a star topology? |
A central connection point that links cables or handles wireless broadcasts to all workstations |
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what is a ring topology? And advantages and disadvantages? |
Connects devices in a circle with each device having only one neighbour. Less cabling One device fails, network fails |
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what is a bus topology? And advantages and disadvantages? |
Uses a common backbone to connect all devices. Terminator stops network at each end. Small number of devices |
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what is a mesh topology? And advantages and disadvantages? |
connects all devices to each other many different pathways, so one link failing is not an issue used for some wireless networks |
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what is a tree topology?And advantages and disadvantages? |
Mix of star and bus. Multiple stars are linked to a back bone. |
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what is abridge? |
Connects two similar networks by transferring data without regard to network format |
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what is communications protocol? |
A set of rules for efficiently transmitting data from one network node to another |
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what is a packet |
A parcel of data that is sent over a computer network |
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what is packet switching |
divides a message into several packets that can be routed independently. |
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True or False: Different sized packets are easier to handle than same sized ones? |
FALSE, Equal sized packets are easier to handle thandifferent sizes files |
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what is a MAC Address? |
An unique number assigned to the network interface card; built into the machine |
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what is an IP address? |
A series on numbers assigned to a network device |
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what is DHCP |
Dynamic host configuration protocol. Automatically distributes an IP address every time you start up your computer |
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what is a wired network? |
Uses cables to connect network devices |
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Advantages & Disadvantages of wired networks? |
Faster, simplier to configure and more secure |
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what is ethernet? |
protocol most widely in use for cabling and network access. |
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what is IE802.3 |
Ethernet, broadcasts data packets to all network devices |
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what is fast ethernet |
operated at 100Mbps, used in homes or small businesses |
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what is gigabit ethernet? |
1000Mbps |
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what is a ethernet adapter? |
Plugs into USB port, can be installed into a PCslot or and PCI card slot to create an Ethernet port. |
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what is a hub? |
A device that links two or more nodes of a wired network |
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what is a switch? |
A sophisticated connection device that sends data only to the specific devices |
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what is a router? |
Ships data from one network to another |
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what is a wireless network? |
Transports data from one device without cables or wires |
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what is bluetooth? |
A short-range wireless network technology that makes its own connections between electronics without wire, cables or users input |
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what is wi-fi? |
An ethernet-compatible wireless network using 802.11 a, b, g and n standards Transmits data as radio waves over 2.4GHz or 5.8Ghz |
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