COMP2330 Subject Review
Final Exam Time: 14:45-16:45, 4 May 2010 Venue: SHALL 6 questions 8 pages 2 hours 20% percent (programming) distributed among all chapters
Course Structure General concepts Network programming Internetworking and TCP/IP Socket programming basics Client-server design Principles of computer communications Physical layer Data link layer Standardized networks Ethernet Wireless Ethernet (WiFi) Network layer
Physical Layer (Cont.) Encoding / Modulation Digital data, digital signal Digital data, analog signal Analog data, digital signal Analog data, analog signal
Physical Layer (Cont.) Multiplexing FDM WDM TDM Synchronous TDM Statistical TDM
Data Link Layer Framing Error type Error control Error detection: Parity check, CRC Error correction: Hamming Distance (block code) or ARQ Flow control Stop and wait Sliding window ARQ Stop and wait Go back N Selective reject
Data Link Layer (Cont.) Local Area Network Different topologies Bus, hub, bridge, switch IEEE 802 protocol architecture Data link layer is divided into two sub- layers: LLC and MAC
Data Link Layer (Cont.) IEEE ALOHA, slotted ALOHA, CSMA MAC: CSMA/CD IEEE Architecture MAC: CSMA/CA Hidden Terminal
Network Layer Circuit Switching Packet Switching Datagram Virtual circuit Routing Different routing strategies Least-cost routing algorithms (Dijkstra’s algorithm and Bellman-Ford algorithm)
Consultation Hours of Dr. Chu 15:00-17:00 24 April 2010 10:00-12:00 3 May 2010 15:00-18:00 3 May 2010
Consultation Hours of Dr. Liu 14:00-16:00 30 April 2010 10:00-12:00 3 May 2010 15:00-18:00 3 May 2010