CCENT Chapter 1 Terms

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myzticmoons
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308770
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CCENT Chapter 1 Terms
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2015-10-11 16:47:18
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CCENT Chapter 1 Terms
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  1. The total throughput capacity of a network link or segment.
    BANDWIDTH
  2. a single binary digit, either a 0 {off} or 1 {on}
    BIT
  3. A device used to connect two LAN's or segments of a LAN, so communication is possible without a router. Bridges can connect only networks running the same protocol.
    BRIDGE
  4. A set of all devices receiving broadcast frames originating from any device within the set – for example, all devices in a VLAN.
    BROADCAST DOMAIN
  5. a type of network design in which all devices are connected to central cable.
    BUS TOPOLOGY
  6. Eight binary bits. There are 256 unique combinations, from 00000000 to 11111111 {0 to 255 in decimal.}
    BYTE or OCTECT
  7. A section of the network where nodes compete for access to same physical transmission medium. This conflict often results in a frame sent by one node's NIC colliding with a frame sent by another NIC in the same collision domain.
    COLLISION DOMAIN
  8. The capability of a communications device to concurrently send and receive data.
    FULL DUPLEX
  9. The capability for data transmission between sending and receiving stations in both directions, but only one at a time.
    HALF DUPLEX
  10. A _________ is a computer connected to the network.
    HOST or WORKSTATION
  11. A device that serves as a common connection point for multiple devices on a network. It receives signals and forwards them to all the devices connected to it.
    HUB
  12. An ___________ is a numeric identifier that represents a computer or device on a TCP/IP network.
    IP ADDRESS
  13. A _______ is a computer network confined to a relatively small area such as a single floor, building, or campus.
    LAN or LOCAL AREA NETWORK
  14. a unique 48–bit identifier written as 12 hexadecimal characters grouped in pairs and hard–coded in the NIC.
    MAC ADDRESS
  15. A LAN covering multiple buildings where the building–to–building links are owned and controlled by a service provider, usually because of public streets and spaces separating the buildings.
    MAN or METROPOLITAN AREA NETWORK
  16. a physical environment through which signals pass.
    MEDIA
  17. network topology in which each node on the network has a connection to every other node on the network.
    MESH TOPOLOGY
  18. A __________ is two or more computers connected together to share resources.
    NETWORK
  19. Four binary bits from 0000 to 1111 {0 to 15}. It is used in hexadecimals.
    NIBBLE
  20. Adapter that provides the physical connection to send and receive data between the computer and the network media.
    NIC or NETWORK INTERFACE CARD
  21. A __________ is defined as any device that connects to the network that has a recognized address.
    NODE
  22. a formal set of rules describing data transmission, especially across a network.
    PROTOCOL
  23. a set of related communications protocols operating as a group to address communication at some or all of the seven layers of the OSI Reference Model.
    • TCP/IP is a protocol stack implementing the OSI model.
    • PROTOCOL SUITE or STACK
  24. a networking configuration where all nodes are connected in a circle with no terminated ends on the cable.
    RING TOPOLOGY
  25. A device that receives and sends data packets between two or more networks.
    ROUTER
  26. Devices and connection that can send data in only one direction. a sensor circuit is an example
    SIMPLEX
  27. a network layout where each node on the network is connected to a center hub.
    STAR TOPOLOGY
  28. Shielded Twisted Pair Cabling
    STP CABLING
  29. A Layer 2 device typically containing numerous ports for node connections that filters and forwards packets between LAN segments.
    SWITCH
  30. The rate of successful data delivery over a communication channel.
    THROUGHPUT
  31. the configuration or layout of the wiring of a network.
    TOPOLOGY
  32. A commonly used, inexpensive, and relatively low–speed transmission medium consisting of two insulated wires wound about one another. The wires can be shielded or unshielded.
    TP CABLE or TWISTED PAIR CABLE
  33. Device or interface that translates the light signals on the fiber to electrical signals for copper cabling and vice versa.
    TRANSCEIVERS
  34. Unshielded Twisted Pair Cabling
    UTP CABLING
  35. Two or more LANs connected by a link across a large geographical area.
    WAN or WIDE AREA NETWORK

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