安全服务的各个层面 ·安全服务(Security Services): 开放某一层所提供的服务,用以保证系统或数据传输足够的安全性 根据ISO7498-2,安全服务包括: 1.实体认证(Entity Authentication) 2.数据保密性(Data Confidentiality) 3.数据完整性(Data Integrity 4.防抵赖(Non-repudiation-) 5.访问控制(Access Control)

❖ 什么是数据结构 ❖ 基本概念和术语 ❖ 抽象数据类型 ❖ 算法分析 ❖ 性能分析与度量

一、查找的概念 二、静态查找表 三、动态查找表 四、哈希表

▪ 树的概念和基本术语 ▪ 二叉树 ▪ 二叉树遍历 ▪ 二叉树的计数 ▪ 树与森林 ▪ 霍夫曼树

字符串( String 字符串是n(≥0)个字符的有限序列, 记作S:“cc2g3…Cn” 其中,S是串名字 “c2c3…cn”是串值

Unit8 Part 1 Notes to Text Part 2 Word Study Part5 Notes to Passage Part3 Practice on Text Part6 Practice on Passage Part4 Extensive Reading

Instructor: Dr. Tianshuang Qiu School of the Electronic and Information Engineering Fall of 2004

Ch. 16 Stochastic Model Building Unlike linear regression model which usually has an economic theoretic model built somewhere in economic literature, the time series analysis of a stochastic process needs the ability to relating a stationary ARMA model to real data. It is usually best achieved by a three-stage

12.1关系型数据库的基本概念 12.2 Visual Basic数据库应用程序 12.3可视化数据库管理器的使用 12.4数据控件Data和绑定控件 12.5ADO控件 ActiveX和绑定控件 12.6结构化查询语言(SQL)简介

Disioint-set data structure (Union-Find) Problem: maintain a dynamic collection of pairwise-disjoint sets S=(S Each set S; has one element distinguished as the representative element, rep[sil lust support 3 operations