NETWORK COMPONENTS 1 Network Components Roy Craven IT/241 INTRO TO W-LAN TECHNOLOGIES June 15, 2014 JOSEPH KALUZNY NETWORK COMPONENTS 2 There are many components that can go with wired and wireless networks. A wireless router performs functions of a router. A wireless router operates through a signal so I think it would depend on an access point. The price range I have found for this device is 15 to 2200. It also allows the for an access point. A computer is a machine that
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interdependent, and exchange data with each other. A local area network (LAN): connects two or more devices in a limited geographical region so that every device on the network can communicate with every other device. Connects Pc’s in one building. A wide area network (WAN): is not restricted to a geographical location, although it might be confined within the bounds of a state or country. A WAN connects several LANs, and may be limited to an enterprise (a corporation or an organization) or
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the devices connected to the LAN •ALL devices connected within a LAN can hear ALL the packets irrespective of whether the packet is meant for that device or not. It is possible for some unscrupulous node listening to data packets not meant for that. •Suppose, your organization has different departments. Using a traditional LAN, when any changes take place within the organization, physical cables and devices need to be moved to reorganize the LAN infrastructure. •A LAN cannot extend beyond its physical
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network? In this network, the wireless clients (stations) communicate directly with each other. 4. What is the purpose of an Extended Service Set? By adding multiple access points to the network, the range of mobility of a wireless client in the LAN is extended. 5. What are the four physical layer technologies being used in 802.11 wireless networking? Direct Sequence Spread Spectrum (DSSS), Frequency Hopping Spread Spectrum (FHSS); Infrared, and Orthogonal Frequency Division Multiplexing (OFDM)
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Assignment) Wireless LANs Main Topic 1: Defining Wireless LANs * Subtopic a) Comparing Wireless LANs to Wired LANs * Within Subtopic) Similarities with Wired & Wireless LANs * Within Subtopic) Distance from User Device to Switch or AP * Within Subtopic) Maximum Bit Rates (Speeds) * Within Subtopic) Bit Rate Variations Over Time * Within Subtopic) Shared Bandwidth Vs. Dedicated Bandwidth * Within Subtopic) Summary of Comparisons * Subtopic b) Wireless LAN Standards
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WIRELESS BROADBAND NETWORKS - Technical Implementation Guide AMD WHITEPAPER Version 1, Release 0.2 18th May 2004 For more information, see www.amd.co.th and contact us at: Email: partner@amd.co.th / Fax: +1-9177209888 i This page is intentionally left blank. ii For more information, see www.amd.co.th and contact us at: Email: partner@amd.co.th / Fax: +1-9177209888 TABLE OF CONTENTS Page 1. INTRODUCTION ....................................................................................
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gives an example of a network in a school comprising of a local area network or LAN connecting computers with each other, the internet, and various servers. 2 File and Print Server CD or Multimedia Servers Access to: Internet content & learning resources, Scoilnet etc Email communication Users computers Cache, Proxy, Filtering, Firewall Server Modem or Router School ‘Local Area Network’ (LAN) Other users, computers Fig 1: Representation of Network in a school. Broadly
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CHAPTER 4 1. Why is a focus on information systems insufficient in networking? Because the network professionals often has to focus on the broader business system in which the information system is embedded. 2. Compare trends in network demand and network budgets. The network demand is likely to grow rapidly in the future, just as it has always done in the past. The network budgets are growing very slow 3. What are QoS metrics? (Do not just spell out the acronym.)
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A Look at Wireless Networking Abstract Over the last several years technology has continued to evolve and grow exponentially. The need for wired and wireless networks has become vital in both individuals lives and in the work environment. There are several factors to consider when discussing wired and wireless technologies such as hardware requirements and security measures needed to ensure a secure network. Wireless network trends are now offering new technology such as cloud computing and
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Information Security Article Evaluation Nelson Okubasu CMGT/441 12/3/2014 MARJORIE MARQUE Can We Sniff WI-Fi?: Implications of Joffe v. Google Google collected information between 2007 and 2010 both in us and oversees. In 2010 a law suit was filed against google for violating the federal wiretap act. Among the first of the cases to rule on intercepting unsecured Wi-Fi communications. As of today our society has become so dependent
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