CS 4873 Computer Networks Exam 2 Review Fall 1999

• Protocols 1-6 (Concentrate on 5 and 6)
• Introduction to Queueing Theory
  • M/M/1 queues
  • Poisson formula
  • mean number of customers
  • average time in the system
• Chapter 4, The Medium Access Sublayer
  • Static channel allocation
  • ALOHA
    • pure infinite
    • slotted infinite
    • slotted finite
  • CSMA: 1-persistent, non-persistent, p-persistent
  • CSMA/CD: contention slot, contention interval
  • Manchester encoding
  • 802.3 and Ethernet
    • frame size, cable length and propagation delay
    • repeaters, bridges and routers

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