the primary types and uses of twisted-pair cables Describe the primary types and uses of coaxial cables Describe the primary types and uses of fiber-optic cables Describe the primary types and uses of wireless media Compare and contrast the primary types and uses of different media CHAPTER 8 Network Media Types Network media is the actual path over which an electrical signal travels as it moves from one component to another. This chapter describes the common types of network media‚ including
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Network Topologies • LANs and WANs - Geographical coverage • LANs – A single geographical location‚ such as office building‚ school‚ etc – Typically High speed and cheaper. • WANs – Spans more than one geographical location often connecting separated LANs – Slower – Costly hardware‚ routers‚ dedicated leased lines and complicated implementation procedures. 1 Network Topologies • Topology - Physical and logical network layout – Physical – actual layout of the computer cables and other
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1/22/15 NT1210 Strong Unit 2 Lab 2.3 Network Types and Topologies Exercise 2.3.2 PAN: Personal Area Network is a new type of network that describes two or more devices that are located on your person and normally connect to one another via Bluetooth. LAN: Local Area Network created by a group of devices in close proximity to one another and are normally located inside the same building or structure MAN: Metropolitan Area Network high speed private networks which are created by one or more dedicated
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Denial-of-Service (DoS) attack is mounted with the objective of causing a negative impact on the performance of a computer or network. It is also known as network saturation attack or bandwidth consumption attack. Attackers make DoS attacks by sending a large number of protocol packets to a network. The problems caused by a DoS attack are as follows: * Saturate network resources. * Disrupt connections between two computers‚ thereby preventing communications between services. * Disrupt services
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CHAPTER 2 METHODOLOGY This chapter discusses the network design methodology‚ scope and delimitation‚ data gathering techniques‚ and sources of data used in the study. Network Development Methodology The researchers used the Top-down Methodology for this study. Before‚ a data communications project even gets to the formal feasibility studies which are part of the development methodology that is proposed‚ it is useful to make a top-down‚ qualitative evaluation of a proposed data communications
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Network security Security has moved to the forefront of network management and implementation. The overall security challenge is to find a balance between two important requirements: the need to open networks to support evolving business opportunities‚ and the need to protect private‚ personal‚ and strategic business information. The application of an effective security policy is the most important step that an organization can take to protect its network. It provides guidelines about the activities
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Online Health Social Network Introduction: The growth of social networking in the Internet has been phenomenal. According to a new eMarketer report‚ nearly one in four people worldwide will use social networks in 2013. This new wave of social networks is expanding to discussions on healthcare and health risk decision making. Social media could be used effectively in reducing the inequalities through the access of health information. Thus‚ social media‚ being a platform upon which to share personal
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What are ICTs and what types of ICTs are commonly used in education? ICTs stand for information and communication technologies and are defined‚ for the purposes of this primer‚ as a “diverse set of technological tools and resources used to communicate‚ and to create‚ disseminate‚ store‚ and manage information.” These technologies include computers‚ the Internet‚ broadcasting technologies (radio and television)‚ and telephony. In recent years there has been a groundswell of interest in how computers
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Networks During the Program Student Worksheet 1 What are networks? 1. Describe the purpose of networking computers. 2. Describe the two types of network: a. LAN b. WAN 3. List the core business functions of Destra. 4. As a retailer‚ describe how Destra is different to more traditional retailers. 5. What does Destra’s network consist of? 6. What is VPN and what is its purpose? 7. Describe
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[pic] INFORMATION SECURITY OFFICE Information Systems Security Requirements for Projects (ISO/SR1) Version 3.5 October 2007 Revision History |Doc No. / Rev No. |Revision Date |Revised By |Description of Revision / Change | |S19 / R1.5 |1/10/2007 |A. Lancashire CDHS |Reformatting changes
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