possible service that a link-layer protocol can offer to the network layer? Which of these link layer services have corresponding services in IP? In TCP? Some of the possible services that can be offered by a link-layer protocol include Framing which encapsulates each network-layer datagram within a link layer frame prior to transmitting. Link access, Reliable delivery and Error detection and correction are the remaining services offered by a link-layer protocol. Reliable delivery has a corresponding
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EXECUTIVE SUMMERY In order to secure the future of Fortune Automotive and to avoid similar disasters in the future, our team has found two solutions which can be implemented quickly and fairly cheap. Firstly our main goal is to protect our data. Since this breach was caused by an outside computer the first step is to only allow our company controlled computers on our network. There are a few inexpensive methods which will be discussed later. Secondly, we can assume that the employee only needed
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The criminal act presented in this case is computer fraud (i.e. hacking). John Kothanek, the lead fraud investigator, found 10 names that were connected to a group of 40 or more accounts that were used for buying computer equipment off eBay. Sniffer software was set up to capture data packets traffic on a fake Pay Pal account. The discovery of user’s log-ins and passwords being recorded was notice using the sniffer software; also the discovery of the perpetrator’s IP address was uncovered. Using
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The Ozone Threat: Managing with Uncertainty The ozone layer serves as protection of the Earth from the sun’s harmful ultraviolet rays. Over a span of decades it has been found out and continuously theorized that the said layer is thinning or depleting. This depletion is speculated by scientific experts to have negative effects to human beings and most importantly to the environment. Studies have been done regarding the possible negative effects of the depletion of the ozone layer. First, it
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c/ Exercise 6.2.2 ITT ITT Technical Institute The information that given on the command line is it shows all your information on the router you have and it shows you in details. Its allows you to see in-depth allowing your to see information on your router. Lab 6.2 Review Its bad to have lots of wireless network around you cause it could cause lag around you it depend on the people. The standard allows having speed and it allows you to have a better connection. Lab 6.3:WLAN Router
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agricultural wastes on field that causes black clouds, and reduce the heavy fuel consumption in our operations on the other hand we have registered the 1st clean development mechanism project (CDM) in our industry in Egypt, under the umbrella of Kyoto protocol in the UNFCCC. The CDM program entails that any developing country succeeds to reduce its CO2 emissions will gain a financial reward equivalent to the certified emission Toward this end, we have planted a forest of 600,000 trees in the desert
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(even denying) their own responsibility in increasing global warming. To be honest, I’m getting a little bit tired of hearing always the same official advices to tackle global warming head-on when the political classes refuse to sign the Kyoto Protocol to reduce emissions to the atmosphere. Clearly it is urgent that the international community take more aggressive action to reduce greenhouse gases instead of throwing these false campaigns aimed at allaying public opinion. Clean energies
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6.1.1 BSS - A set of STAs (the component that connects to the wireless medium such as a network adapter or NIC) that communicates with each other. ESS - An Extended Service Set (ESS) is a set of two or more BSSs that form a single sub network. 6.1.2 6.1 review 1. How the service works is that it allows you to connect to the network. 2. Radio frequency is superior because it is fast cause it through a satellite. 3. WLAN is used in home because there easier to maintain and to take care of
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ITtestPapers.com – Placement Papers, Interview Questions and Tutorials ------------------------------------------------------------------------------------------------------------------------------- 3i-Infotech Technical Paper – 9 1. A 2MB PCM(pulse code modulation) has a) 32 channels b) 30 voice channels & 1 signalling channel. c) 31 voice channels & 1 signalling channel. d) 32 channels out of which 30 voice channels, 1 signalling channel, & 1 Synchronizatio channel. Ans: (c) 2. Time taken
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Nmap® Cookbook The fat-free guide to network scanning 2 Nmap® Cookbook The Fat-free Guide to Network Scanning Copyright © 2010 Nicholas Marsh All rights reserved. ISBN: 1449902529 EAN-13: 9781449902520 www.NmapCookbook.com BSD® is a registered trademark of the University of California, Berkeley CentOS is property of CentOS Ltd. Debian® is a registered trademark of Software in the Public Interest, Inc Fedora® is a registered trademark of Red Hat, Inc. FreeBSD® is a registered trademark of
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