Hello guys, we all have read about HTTP, TCP/IP and all kinds of protocols OSI model. My genuine question is whether a protocol is hardware or it is a software or combination of both ? Your views are valuable. Thanks.

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Hello, On my workplace in last 5 days there is some block when I open youtube.com or facebook.com. It looks like this: http://postimage.org/image/w01p35hif/ on **every** video I open. I don't use facebook so that is not big loss for me;) but I would like to know how can I "skip" this blockade because I need access to youtube. Many thanks in advance for prompt replies! Adi

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Hi Guys. I knw what I want to achieve but not how to achieve it! Any hints would be gratefuly received, or, if it's not possible, tell me so I can stop trying. I have an internet connection -> router with NAT, DHCP etc -> LAN with all kinds of switches and WiFi access points all on the same subnet. I have a couple of TV devices that need to access the LAN and also access the internet via a VPN for access to the right countries. So I connected a VPN router to the LAN and the TV devices …

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I have a router in one room of my house and wires running through the house into my bedroom where it's connected to a switch that further connected to several different computers in my room. What I am wanting to know is how the traffic flows from one computer to another. If computer A sends computer B a file does the data travel from A, to the switch, and then to B? Or does the traffic from A to B travel through the switch and all the way to the router and back before going to it's inteded destination computer …

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So I have a little vague question and I don't know what to even google to get right answer. I am trying to setup email client on friend's computer remotely. I tried outlook, native windows 10 client and thunderbird, they all fail to connect server in anyway with all settings. While when I try any client on my PC, just basic settings like mail server, id, password work fine and after that I am able to retrieve configuration data. So what could be causing this behavior? Any steps to fix this or troubleshoot? Any help will be great. Thank you.

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The End.