CSE5231 Computer Networking Final Exam Study Guide

Below is a list of study topics for your midterm exam. Focus on these topics however I can not guarantee that these are the only topics covered on your exam. Good Luck!

• Understand the difference between TCP and OSI Network models. Explain why network models and layered protocols are needed.
• Know the difference between UDP and TCP. Site examples on usage.
• Communication Satellites.
• Review the error detection and correction techniques covered in class.
• Sliding window protocols - Understand how they work.
• Understand the 2 data link protocols covered in your text book HDLC and PPP.
• What is the difference between Pure ALOHA and Slotted ALOHA? Understand the Carrier-Sense Protocols covered in class (persistent and non-persistent).
• Wireless LAN Protocols MACA and MACAW.
• Why use Manchester Encoding? How it works.
• 802.11 Physical Layer - Explain the differences and characteristics of Frequency Hopping Spread Spectrum and Direct Sequence Spread Spectrum.
• Explain the CSMA/CD Protocol
• Understand the purpose and workings of the network hardware covered in class - Hubs, Bridges, Routers, Repeaters and Gateways.

Chapter 5

• Understand the Network Layer features and design goals
• Understand the difference between Connection-Oriented and Connectionless Service in Network Layer
• Compare and contrast Adaptive and Non-Adaptive Routing Algorithms. Site examples of each type.
• Distance Vector Routing and Link State Routing Compare and contrast each type.
• Understand Dijkstra’s Algorithm. Review Notes.
• What is the purpose of Hierarchical Routing? Give examples.
• Understand the Tunneling Concept. (e.g in Datagram subnets) Be able to explain how to achieve this technique.
• Explain Fragmentation, explain if it can work in virtual-circuit internet or datagram systems.
• Compare and contrast IP v4 vs. IP v6. What are the design changes made to IP v6? Why?
• Understand the different classes of IP address. Why implement classless address?
• Understand the Internet Control Protocols (ICMP, RARP, ARP, BOOTP and DHCP).
• Why to we need Quality of Service? Describe some of the techniques used to achieve QoS.