Exam I

Will cover material from homework (including problems in parenthesis) and:

• TCP/IP Protocol stack – app, trans, net, MAC/data link, PHY
• Delay and loss: types and basic calculations
  • What is the main influence on file transfer time
• Packet switch, circuit switching, types of multiplexing: pros and cons, why, demonstrate, what is a virtual circuit, pros and cons, advantages of allowing VCs
  • Utilization – problem 11 p 65
• ISP, what make a Tier XX ISP a Tier XX ISP,what was the video of/what was going on there
• Describe HTTP, SMTP, DNS, peer-to-peer nets
• Provide state-diagrams for query e.g., expanding ring and reverse path forwarding, or maybe some other protocol,
• What is the difference between a binary tree search and a KaZaA hierarchical system?
• Graph theory definitions
• What might transport layer do? What services does it provide?
• UDP vs TCP details, I.e., why one or the other.
• TCP/UDP ports
• Explain ARQ, give a simple protocol e.g. Seq num. ACKs, stop-and-wait, go-back-n, selective repeat, cumulative ACK, state-diagrams or other way to explain the process
• Bandwidth-delay product.
• Fig 3.27
• Page 287: 11, 12, 13, 15, 16, 17, 18, 19 (at least one of these, maybe) Not quest 5 page 286