北京师范大学：《计算机应用基础》课程教学资源（PPT课件讲稿）第1章 计算机常识（主讲：马秀麟）

南京大学：Conceptual Architecture View（PPT讲稿）

• Architecture – Client/Server, P2P – DDBMS,MDBS • Design – Strategies – Issues – Fragmentation – Allocation • Conclusion

 3.1 Transport-layer services  3.2 Multiplexing and demultiplexing  3.3 Connectionless transport: UDP  3.4 Principles of reliable data transfer  3.5 Connection-oriented transport: TCP  segment structure  reliable data transfer  flow control  connection management  3.6 Principles of congestion control  3.7 TCP congestion control

▪ Association rules ▪ A-Priori algorithm ▪ Large-scale algorithms

 编程概要  编程模型  编程语言  编程环境  软件库介绍  编程进阶

中国科学技术大学：《算法基础》课程教学资源（PPT课件讲稿）算法基础习题课（二）

 4. 1 Introduction  4.2 Virtual circuit and datagram networks  4.3 What’s inside a router  4.4 IP: Internet Protocol  Datagram format  IPv4 addressing  ICMP  IPv6  4.5 Routing algorithms  Link state  Distance Vector  Hierarchical routing  4.6 Routing in the Internet  RIP  OSPF  BGP  4.7 Broadcast and multicast routing

1.消息认证 2. MD5与SHA1 3.数字签名(Digital Signature) 4.身份认证

Network and System Security Risk Assessment（PPT讲稿）Firewall