has been greatly enhance with the introduction of wireless communication. Wi-Fi is the one among the achievements. The term Wifi stands for Wireless fidelity. Wi-Fi is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications. It was developed to be used for mobile computing devices‚ such as laptops‚ in LANs‚ Internet and VoIP phone access‚ gaming‚ and basic connectivity of consumer electronics
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Wi-Fi is the system of wireless connecting devices‚ which use some radio waves that allow for the connection between the devices without expenses of the cumbersome cable or without requiring them for being facing the other. Wireless-Fidelity (Wi-Fi) network would provide the computer experts with option to remove the wired network (Wekhande‚ 2006). Badly secured Wi-Fi networks may be utilized for attacking the networks as well as corporations from inside‚ rather than about attempting to do that externally
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Inc. All rights reserved. 1 8/30/2012 Mike Meyers’ CompTIA Network+® Guide to Managing and Troubleshooting Networks‚ Third Edition (Exam N10-005) • Summary of common threats – System crashes/other hardware failures – Administrative access-control weaknesses –
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basically all logical aspects of the network. The idea of a network is the logical design. Logical design also includes security planning‚ network management design‚ and the initial investigation into which service providers can meet WAN and remote access requirements. A logical layout or logical design shows all logical aspects of the network. This includes logical networks‚
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2a) War drivers are people who drive around a city looking for working access points that are unprotected. Drive-by hackers park just outside a company’s premises and intercept the firm’s data transmissions. b) A rogue access point is an access point that could be set up by a company’s department or an individual employee. This access point usually have no security which makes it easy for hackers to get into the system. 5a) 802.11i b) WPA2 c) AES-CCMP d) Because it is expensive and there is
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Define the key terms Coverage area - The space in which the wireless radio signals in one wireless LAN can effectively reach and be used to send and receive data between the WLAN’s and its clients Shared bandwidth- A term referring to how some networks must share the right to send data by taking turns‚ which limits the total number of bits sent by all devices. Wi-Fi- A term created my the Wi-Fi Alliance as part of its overall wireless LAN branding and marketing strategy. LAN edge- A reference to
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users want to connect using a wireless network directly without using a production wireless network. Which of the following 802.11 standard wireless networks allows this type of connectivity? Options (A) IBSS (B) BSS (C) ESS (D) WPAN (E) Correct Answer(s) A Explanation The 802.11 IBSS standard allows two or more wireless clients to communicate directly with each other‚ considering there is no other means of network connectivity. This is also known as ad hoc wireless network. 2
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Scope 4. Design Requirements Business goals Technical goals User communities and data stores Network applications 5. Current state of the network 6. Logical Design Core layer Distribution layer Access layer 7. Physical Design 8. Security 9. Results of Network Design Testing 10. Implementation Plan with a Project Schedule Phase 1 Phase 2 Phase 3 Phase 4 11. Project Budget with a Return
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Background WiFi networks are universally used in our everyday lives. It provides wireless connectivity for a wide range of mobile networking devices. All digital devices can connect to the internet via a wireless network access point that has a range of about 20 meters indoors such as homes and offices and a greater range outdoors such as parks‚ schools and shopping centers. As Internet users become reliant on WiFi access points (APs) to connect their smartphones‚ tablets and laptops‚ the availability and
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Centres 1.3 Creativity and digital literacy 1.4 Why mobile? 1.5 Desktop vs. mobile P LAN - What needs to be considered before I introduce mobile technology to my school? 2.1 Know your starting point 2.2 Establish a strong vision and clear ICT strategy 2.3 Evaluate current ICT support and form a project team 2.4 Design an ICT infrastructure development
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