350CT Coursework Part A: Secure Network Design Introduction Dear XYZ Ltd.‚ My name is Jacob Woodfield and I am writing to you on behalf of Coventry Security Solutions‚ with whom you recently made contact with to request a security audit of your computer systems. Firstly‚ I would like to congratulate you on a very wise choice in deciding to have a security audit take place of your company. Last year 87% of small businesses had a security breach‚ which is up from 76% in 2012. The median number
Premium Security Computer security
Topologies and Network Technology NTC/361 Monday‚ August 8‚ 2011 Thomas Krawczyk Topologies and network technology In every project‚ it is important to have a goal‚ and that goal should be the foundation on which a project team spring into action. The foundation should involve an infrastructural plan‚ and the usability of the components of the infrastructure. A project plan‚ as in any other plan‚ should outline the premise of the project and answer some basic questions like why
Premium Network topology
How to Be an Effective Project Manager? Instructions 1. Define the scope of the project clearly. Make sure to know when you are finished. This may mean breaking a project into smaller phases if it is a large-scale project. Get the team to agree to the scope at the beginning and document what success looks like. Have a clear discussion of what the project is and more importantly‚ what it is not. This will flush out assumptions people may have that differ from reality. 2. Know the team and what
Premium Project management Management
Reverend John Hale A scholar from Beverly‚ Reverend Hale comes to Salem on Reverend Parris ’ request to investigate supernatural causes for Betty Parris ’ suspicious illness and thus instigates the rumors of witchcraft. Hale approaches the situation precisely and intellectually‚ believing that he can define the supernatural in definitive terms. Despite his early enthusiasm for discerning the presence of witchcraft in Salem‚ Hale soon grows disillusioned with the witchcraft accusations that abound
Premium The Crucible Salem witch trials
Tutorial Week 7 - Class and Entity-Relationship Diagrams 1 Class Diagrams and Entity Relationship Diagrams (ERD) Class diagrams and ERDs both model the structure of a system. Class diagrams represent the dynamic aspects of a system: both the structural and behavioural features. ERDs‚ depicting only structural features provide a static view of the system. 2 Class Diagrams 2.1 Elements of a class diagram: 2.1.1 class A class is a general concept (represented as a square box). A class defines
Premium Entity-relationship model Relationship
INTRODUCTION In today’s modern world computer networks are the basic source of information exchange for all types of businesses. Different technologies are used within the context of networking depending on the requirements of an organization. Ethernet is off course the best technology for the “local area network” (LAN)‚ but when the organization spread their business to much longer distances (cities) then WAN technologies need to be deployed to keep the business running. The selection of an appropriate
Premium Computer network Virtual private network Wi-Fi
Although some may argue that doubt protects us from believing in certainty so much to the point where we lose our sense of reality‚ certainty allows us to accomplish amazing feats‚ pushes us past the limits we set for ourselves‚ and allows us to unlock the unknown potential hidden within ourselves. While some may see doubt as a protector‚ others like myself see it as a hindrance when trying to accomplish what others may see as impossible. Certainty is what allows us to accomplish those things. For
Premium
Use case diagram A use case diagram at its simplest is a representation of a user’s interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. A use case diagram can identify the different types of users of a system. The different use cases and will often be accompanied by other types of diagrams as well. Figure 5.2: Use case Diagram 5.3 Use Case Analysis 5.3.1 Activity Diagram The following activity diagram represents
Premium Unified Modeling Language Musical tuning
Telecommunications And Networks Learning Objectives Understand the concept of a network. Apply Metcalfe’s law in understanding the value of a network. Identify major developments and trends in the industries‚ technologies‚ and business applications of telecommunications and Internet technologies. Provide examples of the business value of Internet‚ intranet‚ and extranet applications. Learning Objectives Identify the basic components‚ functions‚ and types of telecommunications networks used in
Premium Computer network Internet OSI model
Peer-to-Peer Networks for Content Sharing Choon Hoong Ding‚ Sarana Nutanong‚ and Rajkumar Buyya Grid Computing and Distributed Systems Laboratory‚ Department of Computer Science and Software Engineering‚ The University of Melbourne‚ Australia (chd‚ sarana‚ raj)@cs.mu.oz.au ABSTRACT Peer-to-peer (P2P) systems are popularly used as “file-swapping” networks to support distributed content sharing. A number of P2P networks for file sharing have been developed and deployed. Napster‚ Gnutella
Premium Peer-to-peer File sharing