本章主要介绍ATM的基本概念、ATM协议及工 作原理，并对ATM的参考模型及各层次的功能 予以描述，对于IP与ATM的结合问题也予以涉 及。通过本章学习，重点了解以下内容： • 了解ATM技术的产生背景 • 了解ATM的基本概念 • 理解ATM协议的参考模型及各层次功能 • 了解ATM与IP的结合

计算机网络介绍 1、特点:数据传输、资源共享、协同工作提高可靠性 2、组成:物理连接、多台计算机、具有协议控制通信 3、应用:各种领域、办公、业务、管理等

针对非重叠社团发现和重叠社团发现两类问题,全面综述了当前复杂网络社团发现算法研究的新进展,分析了每类社团发现算法的特点,指出该领域值得进一步探索的研究方向

6.1 概述 6.2 贝叶斯概率基础 6.3 贝叶斯问题的求解 6.4 简单贝叶斯学习模型 6.5 贝叶斯网络的建造 6.6 贝叶斯潜在语义模型 6.7 半监督文本挖掘算法

• Define computer security as well as basic computer security terms • Introduce the C-I-A Triad • Introduce basic access control terminology • Explain basic threats, vulnerabilities, and attacks • Show how controls map to threats

• Basic security functions provided by operating systems • System resources that require operating system protection • Operating system design principles • How operating systems control access to resources • The history of trusted computing • Characteristics of operating system rootkits

• Study the contents of a good security plan • Learn to plan for business continuity and responding to incidents • Outline the steps and best practices of risk analysis • Learn to prepare for natural and human-caused disasters

• Learn basic terms and primitives of cryptography • Deep dive into how symmetric encryption algorithms work • Study the RSA asymmetric encryption algorithm • Compare message digest algorithms • Explain the math behind digital signatures • Learn the concepts behind quantum cryptography

• Define the Internet of Things and discuss associated emerging security issues • Discuss nascent efforts to financially measure cybersecurity to make sound investment decisions • Explore the evolving field of electronic voting, which has been an important and open security research problem for over a decade • Study potential examples of cyber warfare and their policy implications

• Define privacy and fundamental computer-related privacy challenges • Privacy principles and laws • Privacy precautions for web surfing • Spyware • Email privacy • Privacy concerns in emerging technologies