By default, everything on a wireless network is unencrypted and easily intercepted by anyone with the right capture tools. Over the years, 802.11 has forwarded three different encryption standards, each with its own idiosyncrasies, strengths, and weaknesses.
without encryption is well, … The nice thing about a wired network … is that the only way people are going to intercept … what you're talking about … is if they can plug it into your switch … or something like that … but a wireless network, it's radio waves, folks. … and our wireless access points, … so people have known this from day one. … The original 802.11 standard … had these pretty terrible encryptions built into it. … One of them was called WEP. … Interestingly enough, this pretty advanced … 802.11 AC router will has WEP settings in it. … Let me at least show you it real quick. … So right now, I have no security. … Notice I'm on the 2.4 Gigahertz band … 'cause this is how old this is. … So we can go into WEP. … WEP was this awful thing. … We'd have to type in some hexadecimal value. … How's your hex going these days? … And I have to make, on this it has to be 10 characters. … If I don't make it 10, watch, it complains. … Woops, let's put it on hex. … Should be 10 hexadecimal characters. …
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The eight-part CompTIA A+ (220-1002): Cert Prep series was designed to help IT professionals prepare to take and pass the Core 2 (220-1002) exam, one of two required exams for the CompTIA A+ certification. In this installment of the series, CompTIA expert Mike Meyers helps you get up to speed with the essential networking concepts covered on the exam. Mike covers how to troubleshoot hardware failures, work with connections, and use the Windows Firewall. Plus, he goes over Active Directory, port forwarding, and wireless encryption.
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