computer network important question

Q.1  Write short note on CSMA/CD ,channel access method,distributed queue dual bus(DQDB), gateways, aloha.
Q.2 Explain IEEE standards.
Q.3 Wireless transmission technology(SDH,SONET).
Q.4 Discuss IEEE 802.3 and 802.5 std. in detail.
Q.5 Explain ethernet.
Q.6 Short note on SDH,RMT,virtual LAN,firewalls & window NT.
Q.7 Explain LAN technology using LAN devices.
Q.8 Difference between TCP & UDP.
Q.9 Explain IPv6.
Q.10 TCP layer protocol.
Q.11 Explain address classes & subnetting.
Q.12 Difference b/w LAN,WAN & MAN.
Q.13 Explain OSI model with architecture.