Chapter 2 1-15

34 Responses | Created by RustyHester |
  1. 1

    A type of transmission that can vary continuously, as in a wave pattern with positive and negative voltage levels.

  2. 2

    An error condition on a token ring network that indicates one or more nodes is not functioning.

  3. 3

    A frame (or packet) sent to all nodes on a network.

  4. 4

    Saturation of network bandwidth caused by excessive traffic, as when a large number of computers or devices attempt to transmit simultaneously, or when computers persist in transmitting repeatedly

  5. 5

    A network transport control method used in Ethernet networks. It regulates transmission by sensing the presence of packet collisions.

  6. 6

    A situation in which two or more packets are detected at the same time on an Ethernet network.

  7. 7

    An error detection method that calculates a value for the total size of the information fields contained in a frame. The value is inserted near the end of the frame.

  8. 8

    Also called the physical or MAC address, the hexadecimal number permanently assigned to a network interface and used by the MAC sublayer within the Data Link layer.

  9. 9

    A transmission method that has distinct signal levels to represent binary zeroes or ones, such as +5 volts and 0 volts.

  10. 10

    Signal interference caused by magnetic force fields generated by electrical devices such as motors.

  11. 11

    In the context of OSI layers, the process of wrapping the information in one layer inside the information within the next layer.

  12. 12

    A process that scrambles data so that it cannot be read if intercepted by unauthorized users.

  13. 13

    A transport system that uses the CSMA/CD access method for data transmission on a network. Ethernet typically is implemented in a bus or star-bus hybrid topology.

  14. 14

    A fiber-optic data transport method capable of a 100-Mbps transfer rate using a dual ring topology; largely supplanted today by faster Ethernet methods.

  15. 15

    A unit of data transmitted on a network that contains control and address information corresponding to the OSI Data Link layer, or Layer 2.

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