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7 Written questions

6 Multiple choice questions

  1. - straight out of the box, no security configured at all.
    - WAPs are usually configured to broadcast their presence.
    - each wireless network node and access point needs the same SSID.
    - could choose not to broadcast SSID.
    - Also could implement MAC filtering.
  2. - available in a range of mobile devices.
    - operates in both ad-hoc mode and infrastructure mode.
    - by default security is disabled but does have three security modes, ranging from full data encryption to integrity control.
    - only authenticates devices, not users.
    - vulnerable to buffer over flow.
  3. transmission of frames to all machines on the broadcast network.
  4. - used for router-to-router traffic, and home user to ISP traffic.
    - handle error detection.
    - allows IP addresses to be negotiated.
    - so used in dial up it will set-up the connection with ISP and negotiate an IP address.
    - replaced SLIP in many uses.
  5. - backwards compatible with 802.11b so same WAP can service 802.11g and 802.11b.
  6. data link layer does not understand IP addresses.
    ARP sends out request, who owns IP address? this is used to build table of MAC 48 bit addresses to IP addresses.
    - defined in RFC 826.
    - vulnerable to ARP poisening ( adding bogus entries to ARP cache).

6 True/False questions

  1. 802.11a- backwards compatible with 802.11b so same WAP can service 802.11g and 802.11b.

          

  2. Multicast- associated with point-to-point networks.
    - point to point transmission with one sender and one receiver.

          

  3. 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.

          

  4. Blue bug attack (bluetooth)Attacker can use AT commands on victims cell to initiate calls, send messages etc.

          

  5. 802.11b- 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. Blue jacking (bluetooth)Attacker can use AT commands on victims cell to initiate calls, send messages etc.