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7 Written Questions

6 Multiple Choice Questions

  1. - associated with point-to-point networks.
    - point to point transmission with one sender and one receiver.
  2. - chatty.
    - no dedicated path required.
  3. - Similar to bridge in that it routes frames.
    - most commonly used to connect individual computers.
  4. transmission of frames to all machines on the broadcast network.
  5. - backwards compatible with 802.11b so same WAP can service 802.11g and 802.11b.
  6. - developed before 802.11a.
    - data throughput of up to 11Mbps.
    - most widely used standard; as a result the frequency is crowded; might run into interference from other wireless devices.
    - networks secured through use of WPA and WEP.
    - 2.4 ghz

6 True/False Questions

  1. ARPdata link layer protocol described by the 802.11 standard.
    - uses RC4 often reuses IV.
    - many installations use the same shared key for all users, so each user can read each others traffic.
    - vulnerable to a number of known attacks.

          

  2. Multicasttransmission of frames to a subset of the machines on the broadcast network.

          

  3. Blue toothtransmission of frames to all machines on the broadcast network.

          

  4. WEPdata link layer protocol described by the 802.11 standard.
    - uses RC4 often reuses IV.
    - many installations use the same shared key for all users, so each user can read each others traffic.
    - vulnerable to a number of known attacks.

          

  5. Point to point protocol (PPP)allows an anonymous message to be displayed on victims device.

          

  6. Main task of the data link layertransform raw transmission facility into a line that appears free of undetected errors to the network layer.
    Accomplishes this by having the sender break up the input into frames, and transmit them sequentially. If the service is reliable, the receiver confirms the correct receipt of each frame.

          

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