Network Design: Logical and Physical Design In networking terminology‚ the term network topology refers to the entire structure of the network. There are two primary parts to the topology definition: the physical design‚ which is the actual layout of the wire (media)‚ and the logical design‚ which defines how the media is accessed by the hosts. The physical designs that are commonly used in networks are the Bus‚ Ring‚ Star‚ Extended Star‚ Hierarchical‚ and Mesh. A bus topology uses a single
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Body of Knowledge contains • The history of (ISC)2 and the CISSP exam • Recertification requirements • An assessment test to gauge your current security knowledge This book is intended to welcome you to the exciting world of security and start you on a new path toward obtaining your CISSP certification! The Certified Information Systems Security Professional (CISSP) exam covers ten domains‚ each of which may be considered a full field of study in itself‚ with many individual books and papers
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ABSTRACT : This paper describes the basic threats to the network security and the basic issues of interest for designing a secure network. it describes the important aspects of network security. A secure network is one which is free of unauthorized entries and hackers INTRODUCTION Over the past few years‚ Internet-enabled business‚ or e-business‚ has drastically improved efficiency and revenue growth. E-business applications such as e-commerce‚ supply-chain management‚ and remote
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40 secs SECURITY CONCERNS OF PAKISTAN AND THEIR RESPONSES INTRODUCTION 1. According to Walter Lippman‚” A nation has security when it does not have to sacrifice its legitimate interests to avoid war and is able‚ if challenged to maintain them by war”. Security as a concept is a subject of interpretations. The term security is always relative‚ contextual and situational. Interestingly enough‚ the security of one nation tends to generate the feeling of insecurity
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Web Search Engines Typically‚ Web search engines work by sending out a spider to fetch as many documents as possible. Another program‚ called an indexer‚ then reads these documents and creates an index based on the words contained in each document. Each search engine uses a proprietary algorithm to create its indices such that‚ ideally‚ only meaningful results are returned for each query. Sites that let you search multiple indexes simultaneously include: • Yahoo (http://www.yahoo.com) • search
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lot of people are fascinated by the self-expression and democracy facilitated by the new technology that is constantly being developed in society today in this new blogger democracy‚ Lakshmi Chaudhry published an article titled “Mirror‚ Mirror On the Web” to argue how the medias have rapidly evolved into tools for one to become famous. She is worried that self-expression has fallen effortlessly into self-promotion. The media culture made people; especially the young people’s appetite for being seen
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Introduction The purpose of this security plan is to elicit the potential threats to an organisation physical and electronic information holdings. Organisations in general are starting to take information security more sincerely due to the proliferation of mobile services‚ VPN connections‚ terrorism and natural disasters. We must however acknowledge that this very technology advancement is regarded as efficient but is also leading to a higher level of security risks. These risks must be mitigated
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mobile phones‚ GPS and computers can be secured at the touch of a fingerprint. Designing in security at the start of a new product development process is more effective than adding it on later. Unlocking your mobile phone by scanning your fingerprint is not a thing of science fiction. It’s an everyday reality for millions of mobile phone users‚ the greatest proportion of who live in Asia. But designing-in security to mobile phones can be difficult. PIN codes and passwords take too long to enter and users
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Food Web Diagram Snake (D) Hawk (D) Coyote (D) Insects (C) Scorpion (C) Lizard (C) Quail (C) Mouse (C) Cactus (P) Grass (P) When you are explaining an ecosystem you have producers‚ consumers‚ and decomposers. Producers are the plants and the tress in the ecosystem that provide the energy to the ecosystem. As for the desert the producers are cactus and grass. The consumers of the ecosystem are in three different kinds‚ they are herbivores‚ carnivores‚ and omnivores. Herbivores are the consumers
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Internet Security. How safe is your computer?Robert WilliamsSAINT LEO UNIVERSITYCOM201Professor Gary RogersNovember 22‚ 2013Internet Security. How safe is your computer?The Internet is a very powerful tool that we use to navigate and communicate with the rest of the world. Internet users often rely on interacting with other computers and programs to accommodate their different needs. Anytime you place your technology device on the Internet‚ there will always be a possibility of attracting a virus
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