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56 Cards in this Set
- Front
- Back
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What does HomeRF mean?
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Home Radio Frequency
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What does Wi-Fi mean?
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Wireless Fidelity
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What does IrDA mean?
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Infrared Data Association protocol.
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CSMA = ___ ___ ___ ___
CD = (regarding networking) CA = ____ ____ |
Carrier Sense Media Access
Collision Detection Collision Avoidance |
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RTS/CTS = what protocol
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Request to send/Clear to send
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WAP =
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Wireless Access point
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SSID = ___ ___ ___
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Service Set Identifier
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The SSID is also known as =
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aka a network name
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What are the 2 modes of networking?
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Ad hoc
Infrastructure |
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Ad hoc mode is aka ___ __ ___.
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Peer 2 peer
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Two or more wireless nodes communicating in ad hoc mode form what's called an ____ ____ ___ ___.
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IBSS
Independent Basic Service Set |
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A single WAP servicing a given area is called a ____ ____ ___.
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BSS
Basic Service Set |
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Once a single WAP area is extended, it becomes a ____ ____ ____ ____.
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EBSS
Extended Basic Service Set |
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WEP =
WPA = |
Wireless Equivalency Privacy
Wi-Fi Protected Access |
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What are 3 ways to make a wireless network secure?
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1 Name it!
2 MAC filtering 3 WEP/WPA |
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WEP encryption uses what standard __-bit encryption to scramble data packets. Some use ___-bit encryption.
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40
104 |
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Some vendors advertise 128-bit encryption for WEP but it is actually ___-bit.
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104
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What security enhancements are in WPA?
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encryption key integrity-checking, user authentication through EAP.
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EAP =
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Extensible Authentication Protocol.
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Which (WEP/WPA) offers true end-to-end encryption?
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WPA
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What are the 4 sections of a generic data packet?
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Recipient MAC
Sender MAC Data CRC (a form of data checking) |
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What is the driver that many generic NICs use?
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NE2000-compatible
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Describe a "BUS" topology.
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A bus topology means that all the PCs are connected via a single cable that runs to all the PCs.
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Describe a "ring" topology.
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A ring topology connects all the PCs together like a bus topology but this bus functions like a ring.
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Ring topology uses ____ ____ scheme.
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token passing
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MSAU =
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Multistation Access Unit
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Describe the "star ring" topology.
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Instead of running a ring of cable all around the LAN, the ring is stored inside a box called a MSAU (aka token ring hub)
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Thick Ethernet is 10base?
Thick ethernet cabling is normally ______ cable. |
10base5
Coaxial |
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Thin Ethernet is 10base?
What are the specs for thin ethernet? |
10Base2
10Mbps, 30 devices per segment, & 185 meter segment max. length |
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BNC =
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British Naval Connector
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What are the Thick Net specs?
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Max 100 devices per segment
Max segment length is 500 meters Maximum 10Mbps throughput. |
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SOHO =
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Small office Home office
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What is the maximum distance that 10/100/1000/baseT networks can be from the hub.
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100 Meters.
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UTP =
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Unshielded Twisted Pair
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UTP cables come in what categories?
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Cat 1-6
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What are the speeds for cables.
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cat1 2mbps Cat5e 1Gps
cat2 4mpbs Cat6 10Gps cat3 16mbps cat4 20mbps cat5 100mbps |
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What are the 2 standards for Cat5/6 cabling?
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TIA/EIA 568A
TIA/EIA 568B |
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What is the standard cable used for Fiber Optic cable?
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62.5/125 multimode fiber-optic. All fiber ethernet networks require 2 of these cables.
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What are the 2 standards for fiber optic?
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10BaseFL
100BaseFX |
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What is a repeater and what does it do?
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A repeater is an electronic device that amplifies the signal on a line, thus extending the length of a network segment
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A 10BaseT hub, also a repeater, can enable a maximum separation of ___ meters between pc's on a 10baseT network.
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200
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What is the primary functional difference between a hub and a switch?
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A switch ends collisions on an Ethernet network, giving allowing each PC to use the full bandwidth available.
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An up-link port and a cross-over cable perform the same function. T/F?
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True
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"Token Ring" was first developed by what company?
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IBM
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Token ring and ethernet are the same thing. T/F. Why?
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The are incompatible with each other and they are competitors.
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Type 1 cable is what? What is the max speed using this cable.
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a 2 pair shielded twisted pair
(STP) Max speed is 20Mbps |
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What are the speeds of a Token Ring?
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4, 16, or 100 Mbps
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What is "plenum" grade cabling and why is it useful?
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it is a type of cabling with special cladding (coating) that when burned does not give off toxic fumes.
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What kind of cabling is required by law in ceilings and walls?
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Plenum cabling
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The Type1 token ring connectors are what type?
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Hermaphrodic, IDC or a UDC
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IDC =
UDC = |
IDC = IBM type Data Connector
UDC = Universal Data Connector |
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A token ring hub is interchangeable with an Ethernet hub. T/F.
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False
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IBM has a special name for it's token ring hub(s). What is it?
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MAUs or MSAUs
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Token Ring can support up to ___ PCs using STP and up to __ PCs using UTP.
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260
72 |
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Using UTP, the maximum distance from any MAU to a PC is __ meters. Using STP is ___ meters.
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45
100 |
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Token Ring also uses repeaters, where on the token ring do you put the repeaters and what then is your maximum distances between MAUs with UTP, STP?
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You can only put the token ring repeaters between MAUs.
UTP= 360 meters STP= 720 meters |
