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Chapter Review

  1. What is the name of the protocol that systems use to negotiate options during the PPP connection establishment procedure?
    1. CHAP
    2. LCP
    3. PAP
    4. NCP
  2. What does an Ethernet system generate when it detects a collision?
    1. A beacon frame
    2. An error message
    3. A jam signal
    4. None of the above
  3. Which of the following is not a required component of a 10BaseT Ethernet network?
    1. Network interface adapters or NICs
    2. Cables
    3. A hub
    4. Computers
  4. To achieve 100 Mbps speed over Category 3 cable, 100BaseT4 Ethernet uses which of the following?
    1. PAM-5 signaling
    2. Quartet signaling
    3. CSMA/CD
    4. All four wire pairs
  5. In which of the following standards is Gigabit Ethernet defined?
    1. IEEE 802.2
    2. IEEE 802.3
    3. IEEE 802.3u
    4. IEEE 802.3z
  6. The Frame Check Sequence field in a data-link layer protocol header is used for _________________.
  7. List the hardware components that you have to replace when upgrading a ten-year-old 10BaseT network to 100BaseTX.
  8. How could you upgrade a ten-year-old 10BaseT network to Fast Ethernet without replacing the cables?
  9. Which data-link layer protocol is preferred on a network with high levels of traffic, Ethernet or Token Ring? Why?
  10. Which Fast Ethernet physical layer option is best suited for a connection between two campus buildings 200 meters apart? Why?