Understanding Computer Networks 2020
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Understanding Computer Networks 2020
Computer networks are everywhere, from your phone to your home to your office, and they're changing rapidly. This book makes sense of it all. The author - Hazim Gaber - has years of experience designing, installing, and troubleshooting computer networks for organizations large and small. Topic Include -Cabling -Network Design -OSI Model -Ports & Protocols -Services such as DHCP, DNS, NAT, Port Forwarding, VPN -IP Addressing & Subnetting -Routers, Switches, Load Balancer -IPv4 and IPv6 -Routing Algorithms -Switch & Router Configuration -VLANs -Wi-Fi Network Design -WANs & MPLS -Cellular Networks -Physical Security -Network Security -Wireless Security -Network Attached Storage (NAS) and Storage Area Networks (SANs) -Cloud -Virtualization -AAA & RADIUS -Disaster Prevention -Fault Tolerance & High Availability -Disaster Recovery -Business Continuity -Operating Agreements -Remote Access -Malware & Malware Prevention
Understanding Search Engines
This book provides a broad introduction to search engines by integrating five different perspectives on Web search and search engines that are usually dealt with separately: the technical perspective, the user perspective, the internet-based research perspective, the economic perspective, and the societal perspective. After a general introduction to the topic, two foundational chapters present how search tools can cover the Web’s content and how search engines achieve this by crawling and processing the found documents. The next chapter on user behavior covers how people phrase their search queries and interact with search engines. This knowledge builds the foundation for describing how results are ranked and presented. The following three chapters then deal with the economic side of search engines, i.e., Google and the search engine market, search engine optimization (SEO), and the intermingling of organic and sponsored search results. Next, the chapter on search skills presents techniques for improving searches through advanced search interfaces and commands. Following that, the Deep Web and how its content can be accessed is explained. The two subsequent chapters cover ways to improve the quality of search results, while the next chapter describes how to access the Deep Web. Last but not least, the following chapter deals with the societal role of search engines before the final chapter concludes the book with an outlook on the future of Web search. With this book, students and professionals in disciplines like computer science, online marketing, or library and information science will learn how search engines work, what their main shortcomings are at present, and what prospects there are for their further development. The different views presented will help them to understand not only the basic technologies but also the implications the current implementations have concerning economic exploitation and societal impact.
Cyber-Security Threats, Actors, and Dynamic Mitigation
Cyber-Security Threats, Actors, and Dynamic Mitigation provides both a technical and state-of-the-art perspective as well as a systematic overview of the recent advances in different facets of cyber-security. It covers the methodologies for modeling attack strategies used by threat actors targeting devices, systems, and networks such as smart homes, critical infrastructures, and industrial IoT. With a comprehensive review of the threat landscape, the book explores both common and sophisticated threats to systems and networks. Tools and methodologies are presented for precise modeling of attack strategies, which can be used both proactively in risk management and reactively in intrusion prevention and response systems. Several contemporary techniques are offered ranging from reconnaissance and penetration testing to malware detection, analysis, and mitigation. Advanced machine learning-based approaches are also included in the area of anomaly-based detection, that are capable of detecting attacks relying on zero-day vulnerabilities and exploits. Academics, researchers, and professionals in cyber-security who want an in-depth look at the contemporary aspects of the field will find this book of interest. Those wanting a unique reference for various cyber-security threats and how they are detected, analyzed, and mitigated will reach for this book often.