designing a perimeter network
Designing A Wireless Network
Ngày tải lên :
16/10/2013, 13:15
... Wheeler,Victoria Fuller, Jonathan Bunkell, and Klaus Beran of Harcourt International for making certain that our vision remains worldwide in scope Anneke Baeten, Annabel Dent, and Laurie Giles of Harcourt Australia ... Elements and Frequency Spectrums Introduction Transmitting Radio Signals Over EM Waves Anatomy of a Waveform Modulating a Radio Signal Propagating a Strong Radio Signal Understanding Signal Power and ... Services Creating a Detailed Physical Design Creating a Detailed Operations Design Creating a Detailed Operating Model Design Creating a Training Plan Developing a Maintenance Plan Developing an Implementation...
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designing a wireless network phần 1 pot
Ngày tải lên :
14/08/2014, 14:20
... Wheeler,Victoria Fuller, Jonathan Bunkell, and Klaus Beran of Harcourt International for making certain that our vision remains worldwide in scope Anneke Baeten, Annabel Dent, and Laurie Giles of Harcourt Australia ... Elements and Frequency Spectrums Introduction Transmitting Radio Signals Over EM Waves Anatomy of a Waveform Modulating a Radio Signal Propagating a Strong Radio Signal Understanding Signal Power and ... Services Creating a Detailed Physical Design Creating a Detailed Operations Design Creating a Detailed Operating Model Design Creating a Training Plan Developing a Maintenance Plan Developing an Implementation...
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designing a wireless network phần 2 pptx
Ngày tải lên :
14/08/2014, 14:20
... referred to as a beam Directional antennas fall into two general categories: parabolic and phased array Parabolic antennas function similar to a flashlight in that they use a dish-shaped reflector ... signal is carried away from the antenna by a cable Now let’s consider a piece of metal that does not have a conductive path to ground and is acting as an antenna.The magnetic and electrical waves ... design and construction of a Yagi antenna Figure 2.16 Yagi Phased Array Antenna and Associated Directional Beam Pattern Yagi Phased Array Antenna Cable Direction of Beam Reflector Element Driven...
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designing a wireless network phần 3 ppt
Ngày tải lên :
14/08/2014, 14:20
... than directional antennas because they distribute their power over a wider area Parabolic antennas usually have the highest gain of any type of antenna A half-wave dipole antenna will have a gain ... antenna All other things being equal, a high-gain antenna will transmit and receive weaker signals farther than a low-gain antenna Omnidirectional antennas, such as dipole, will have lower gain ... to another? A: Antenna gain is the measure of the amount of signal the antenna radiates or receives It is given as a decibel ratio, compared to a theoretical omnidirectional antenna called an...
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designing a wireless network phần 4 pptx
Ngày tải lên :
14/08/2014, 14:20
... with static addressing DHCP maintains a database of all addresses and to what device they are assigned, as well as which addresses are available Let’s talk about the process of address assignment.When ... organization responsible for maintaining IP addresses, you can get the details necessary to obtain a range In North America, South America, the Caribbean, and sub-Saharan Africa, the organization ... Internet).Typically, networks that have private addressing schemes, usually referred to as internal networks, are designed that way because a majority of the traffic on that network is local traffic, meaning...
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designing a wireless network phần 5 pot
Ngày tải lên :
14/08/2014, 14:20
... the same information in a couple of large packets.Thankfully, the 802.11 standard has made this a configurable feature.This way, a network administrator can specify short packets in some areas and ... device against a list of MAC addresses.This list could reside locally on the AP, or the authentication could be checked against a database of allowed MACs located on the wired network. This typically ... piconets can be colocated and linked into what is called scatternets A node can be both a master in one piconet and a slave in another piconet at the same time, or a slave in both piconets at the same...
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designing a wireless network phần 6 potx
Ngày tải lên :
14/08/2014, 14:20
... separate and distinct channels within that wireless topology Similarly, adjacent channel spacing and active channel separation play an important role when planning and deploying a wireless network. These ... suggest contacting Parks Associates at www.parksassociates.com.The Continental Automated Buildings Association (CABA) at www.caba.org is another good source for learning about home network technologies ... engineers typically are concerned with signal aspects such as fade margins, signal reflections, multipath signals, and so forth Like an accountant seeking to balance a financial spreadsheet, an RF design...
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designing a wireless network phần 7 ppt
Ngày tải lên :
14/08/2014, 14:20
... department, a baseball/soccer department, a golf department, a seasonal department, and a sunglasses department Generally, the most active of all the first-floor departments is the shoe department, ... access point as a diamond, the radios as ovals, and a small antenna tower as an extended radio antenna.The RF patterns for the secondfloor overlap, as shown in Figure 7.6.This overlap provides ... the office for manual entry This automation will also enable other employees to check stock accurately and quickly for items that just arrived Another advantage to adding this capability to the...
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designing a wireless network phần 8 ppsx
Ngày tải lên :
14/08/2014, 14:20
... Q: What are my choices in alternative handheld devices for a retail application? A: There are many handheld devices on the market Any industrial handheld device that is capable of scanning and ... campus At this time, only three academic areas are addressed.The planned network must be easy to adapt as these areas of study increase or change For example, the Math and Computer Sciences department ... of staff and students.The Athletic department may have functional groups of coaches, players, and the press.The Administrative department may designate a Financial functional group, as well as...
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designing a wireless network phần 9 potx
Ngày tải lên :
14/08/2014, 14:20
... What is an access point (AP) and what is its main function? A: An access point is a wireless bridge that provides access to a wireless station so that it can communicate with a wired LAN An access ... of raw data passed through a link or network and includes both overhead signaling data as well as user data.Throughput refers to the actual amount of user data passed through the link or network ... supplies a dynamic (DHCP) address rather than a static IP address She therefore needs to instruct her firewall to Obtain an IP address automatically Jan also knows she wants to set up her firewall as a...
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designing a wireless network phần 10 pps
Ngày tải lên :
14/08/2014, 14:20
... 71 antenna point bridge placements, 218 quarter-wavelength momopole antennas, 51 phased array antennas, 51 planar array antennas, 53–54 receiver antennas, 48 transmitter antennas, 48 AP Manager ... Video, and Integrated Data) is a network architecture made up of hardware and software that transmits a company’s data such as e-mail, Web traffic, file transfers, voice traffic, and video traffic ... federal, state and local laws and regulations By participating, entrants agree to be bound by the official rules and accept decisions of judges as final in all matters relating to this sweepstakes...
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Tài liệu Designing a Microsoft® Windows® 2000 Networking Services Infrastructure ppt
Ngày tải lên :
10/12/2013, 16:15
... Remote Access Evaluate and create a design to connect a remote user to a private network by using the remote access features of Routing and Remote Access Evaluate and create a design to connect a ... to a private network by using the RADIUS features provided by Routing and Remote Access and Internet Authentication Service (IAS) Evaluate and design strategies for a networking services management ... plan Develop a management strategy for networking services Evaluate strategies for combining networking services on a single computer within an infrastructure Evaluate and create designs based...
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Tài liệu Designing a Microsoft Windows Server 2003 Active Directory and Network Infrastructure docx
Ngày tải lên :
11/12/2013, 14:15
... security accounts database Each office uses a standard user account and password for all servers in that office Network administrators in each office know the user account and password combination Network ... Upgrade all WAN lines prior to implementing NewApp Analyze the cause of a peak in network usage in February Analyze network usage characteristics for NewApp Based on these results, create an upgrade ... occurred Another service-level agreement states that the IT department must guarantee an available bandwidth of 28 Kbps to ensure adequate bandwidth for App1 Currently, the available bandwidth decreases...
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Tài liệu MCSE Study Guide - Designing a Network Infrastructure with Windows 2000 Exam 70-221 ppt
Ngày tải lên :
21/12/2013, 04:19
... www.troytec.com A: Australia Singapore Create a standard Configure a DNS primary zone server as a forwarder to the Australia DNS server Create a DNS server that hosts a standard secondary zone Create a secondary ... organization 19 www.troytec.com Parnell Aerospace Parnell Aerospace is a design and manufacturing company that creates guidance systems for aircraft and rockets The company's manufacturing capability ... www.troytec.com Availability - The percentage of time that the network infrastructure is up and running and available for use • Analyze data and system access patterns Assess the peaks and valleys that exist...
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Tài liệu Module 5: Designing a Highly Available Physical Network docx
Ngày tải lên :
17/01/2014, 09:20
... Yes, can vary Yes, can vary as per SLA as per SLA Maintenance of a Maintenance of a data center data center Yes Yes No No No No 24 hours aaday, 77days 24 hours day, days a week monitoring a week ... Ethernet networks, a frame that has a hexadecimal destination MAC address of FF-FF-FF-FF-FF-FF is defined as a broadcast frame Support for broadcast packets is essential for any network because the network ... network performance The primary factors that affect network performance are link speed (bandwidth), delay (latency), and throughput ! Bandwidth is the maximum amount of data that can travel a...
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Tài liệu Module 3: Designing a Highly Available Network Services Infrastructure pdf
Ngày tải lên :
24/01/2014, 10:20
... information, such as a user account for each client Having a separate domain from the primary administrative domain provides isolation between application data and infrastructure data In addition, ... may vary Module 3: Designing a Highly Available Network Services Infrastructure Overview Designing a Highly Available Network Services Infrastructure Start End Designing a Highly Available Active ... both a private internal and public external network An Internet name authority can assign you a DNS domain name and make sure that a parent DNS zone includes a delegation to the DNS server that...
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Tài liệu Module 4: Designing a Highly Available Logical Network pptx
Ngày tải lên :
24/01/2014, 10:20
... Designing a Highly Available Logical Network Network Load Balancing 11 Network Load Balancing requires at least one virtual IP address per cluster and an individual dedicated IP address for each cluster ... International Organization for Standardization (ISO) layer hubs/repeaters ! ISO layer switches ! ISO layer routers You can achieve high availability by using redundant physical and logical network ... default gateways in your host configurations you can define static load balancing among the routers while still supporting a failover capability Module 4: Designing a Highly Available Logical Network...
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designing and implementing a neural network library for handwriting detection, image analysis etc
Ngày tải lên :
28/04/2014, 10:10
... INeuronStrategy, called BackPropNeuronStrategy (for a backward propagation neural network) A Neural Network is initialized and connections betweens layers are made by a neural network factory A Factory ... trained the network 4.1 Training Phase This section explains how the training takes place, in a back ward propagation neural network In a backward propagation neural network, there are several ... library Understanding Neural Networks One fascinating thing about artificial neural networks is that, they are mainly inspired by the human brain This doesn't mean that Artificial Neural Networks...
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Designing a Change and Configuration Management Infrastructure
Ngày tải lên :
16/10/2013, 12:15
... Data Strategies Determining the Organizational Requirements Categorizing User Data Management Needs Identifying Available User Data Management Options .15 Selecting Appropriate ... an organization Evaluate software distribution and management options based on business needs, and based on the current and planned environment Evaluate user data management options based on business ... Distribution and Management Strategy 2:45 3:30 Module 3, Lab A: Meeting Organizational Software Requirements 3:30 3:45 Break 3:45 5:15 Module 4: Designing a User Data Management Strategy Start End...
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