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CNET

Anika Patry cst year 1 Inglés 60 fichas

Fichas del conjunto (60)

  1. 1DhcpDynamic Host Computer Protocol
    how the computer is assigned an ip address (however there is another method)
  2. 2Back BoneTransmission of data that connects small segments into the larger network
  3. 3serial"daisy chaining" a series of routers and switches in a chain connected to the host.
  4. 4Distributeda series of hubs with a central device that is connected to other switches can easily extended, scaleable
  5. 5Collapsible backboneone central hub /router is connected to individual switches
  6. 6parallelimilar to the collapse back bone server however it has two routers and double cabling
  7. 7ICSIndustrial Controll sysytem
  8. 8SCADAsupervisory control and data Acquisitions
  9. 9DCSdistibuted control system
  10. 10PLC'SProgrammable Logical controllers
  11. 11Centralized networka data base main frame has all the programs and runs iton the mainframe
  12. 12Peer to peerdecentralized because any computer can be used to share and get resources
  13. 13Csma Cdcarrier sense multiple access
    Cd: collision detection
  14. 14Csma Cacarrier sense multiple access
    CA: collision avoidance
  15. 15SimplexOne way transmission of data
  16. 16Half duplexTwo way transmission, but only one direction at a time
    One device send the other receives
    Roles can switch
  17. 17Full duplexSimultaneous two way transmission of data
    Devices can send and receive at the same time(good for configuring devices)
  18. 18OSI Modelunknown
  19. 197- Application Layer2-a
  20. 206-Presentation Layer2-a
  21. 215-Session Layer2-a
  22. 224-Transport Layer2-a
  23. 233-Network Layer2-a
  24. 242- Data Link Layer2-a
  25. 251-physical Layer2-a
  26. 26UTP• no shielding
    • Typically 4 pair
    • In expensive
  27. 27STP• Shielded around conductors
    • Typically contains four pairs of stranded conductors
    • More expensive than UTP
  28. 28Standards for TIA/EIA category 1Voice Transmission
    max speed: 1 Mbps
  29. 29category 3Ethernet
    max speed: 10 Mbps
  30. 30category 5fast Ethernet
    max speed: 100 Mbps
  31. 31category 5eGigabit Ethernet
    max speed: 1 Gbps
  32. 32category 6aGigabit ethernet
    max speed: 1 Mbps
  33. 33TIA/EIA 568A Standard1- green/white
    2-green
    3- orange/white
    4- blue
    5-blue white
    6- orange
    7- brown/white
    8- brown
  34. 34TIA/EIA 568B Standard1- orange/white
    2-orange
    3- green/white
    4- blue
    5-blue white
    6- green
    7- brown/white
    8- brown
  35. 35Plenum Cablingcabling in the roof to keep the room cold for the computers.
    used for safety reasons so it doesn’t give of black smoke.
  36. 36omni-directionaldirects the signal in all directions
  37. 37Uni-Directionaldirects the signal in one direction.
    must be exact when positioning.
  38. 38DCFdistributed coordination Function
    functions as a CA method that controls access to the physical medium.
  39. 39SSID BROADCASTScontinuous announcement by a wireless access point that transmits its name, or ssid, so that it is discoverable by wireless devices searching for a network connection
    Can be referred as a beacon.
  40. 40PHYSICAL BUS TOPOLOGYWhere all the nodes are connected in a linear format and T-connectors connect each node directly.
    Slow transmission rate
    10base2 / 10 Mgbs uses thin-net wiring
  41. 41PHYSICAL STARUsing central connectivity device, such as a switch , which individual physical connection to each node if the central unit goes down the whole system goes down
  42. 42PHYSICAL MESHeach node is directly connected to each other. Allows nodes to communicate at the same time. Dedicated links with other nodes(no congestion on the line so data travels fast) very reliable (no nodes can be isolated)
    very expensive
  43. 43PHYSICAL RINGEach node is connected to the two nearest nodes: the upstream and downstream neighbors.
    The flow is uni-directional
  44. 44HYBRIDExhibits the characteristics of one or more topologies
  45. 45Logical Ring topologyUsed in token ring. Used to connect to mainframes traditionally. Send data out, or takes it in and works in a ring formation
  46. 46Logical StarCommon in LAN's
  47. 47Logical BusData is sent all at the same time regardless of the physical wiring. Data flows in a single, continuous stream from the sending node to all other nodes, the medium is shared
    Uses hubs
  48. 48list the components to a mac addressThe MAC address is a 6 digit address.
    the first three digits are the manufacturers code
    and the last three are unique to the computer
  49. 4910base-2 what is the IEEE SPECS, MEDIUM, AND DISTANCE?IEEE: 802.3A
    M: THINnet COAX
    D: 185(M)
  50. 5010BASE-5 what is the IEEE SPECS, MEDIUM, AND DISTANCE?IEEE: 802.3
    M: THICKnet COAX
    D: 500M
  51. 5110BASE-T what is the IEEE SPECS, MEDIUM, AND DISTANCE?IEEE:802.3i
    M:CAT-5 UTP
    D:100M
  52. 5210BASE-F what is the IEEE SPECS, MEDIUM, AND DISTANCE?IEEE: 802.3J
    M: FIBER
    D: 2 000
  53. 53100 BASE -T what is the MEDIUM, AND DISTANCE?M: CAT 5 UTP
    D: 100M
  54. 54100 BASE -T4 what is the MEDIUM, AND DISTANCE?M:CAT3, 4 OR 5 UTP
    D: 100
  55. 55100 BASE -TX what is the MEDIUM, AND DISTANCE?M: CAT5 UTP OR STP
    D: 100
  56. 56100 BASE -FX what is the MEDIUM, AND DISTANCE?M: MULTI-SINGLE MODE FIBER
    D: 412(HALF DUPLEX)
    2 000(FULL DUPLEX)
    15 000-20 000(FULL DUPLEX)
  57. 57BASE-LXSINGLE MODE -5 000M
    MULTI-MODE -550M
  58. 58BASE-SXMULTI-MODE -220M
  59. 59PoE WHAT IS THE IEEE AND OTHER STANDARDS?IEEE: 802.3AF(CAT5 OR HIGHER UTP)
    POWER: 15.4W
  60. 60PoE+ WHAT IS THE IEEE AND OTHER STANDARDS?IEEE: 802.3AT(BACKWARDS COMPATIBLE W AF)
    POWER: 25.5W

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Descripción
a set of descriptions, protocols, and standards
Creado por
Anika Patry
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