David Bombal<p>TCP/IP Model: Where are the devices and protocols? <br>This is part of my FREE CCNA 200-301 Course (2025 edition)</p><p>YouTube video: <a href="https://youtu.be/0vgUkk-WzcU" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/0vgUkk-WzcU</span><span class="invisible"></span></a></p><p><a href="https://infosec.exchange/tags/ccna" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ccna</span></a> <a href="https://infosec.exchange/tags/osi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>osi</span></a> <a href="https://infosec.exchange/tags/tcpip" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tcpip</span></a> <a href="https://infosec.exchange/tags/tcp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tcp</span></a> <a href="https://infosec.exchange/tags/hub" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hub</span></a> <a href="https://infosec.exchange/tags/switch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>switch</span></a> <a href="https://infosec.exchange/tags/bridge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bridge</span></a> <a href="https://infosec.exchange/tags/router" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>router</span></a> <a href="https://infosec.exchange/tags/network" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>network</span></a> <a href="https://infosec.exchange/tags/networking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>networking</span></a> <a href="https://infosec.exchange/tags/cisco" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cisco</span></a> <a href="https://infosec.exchange/tags/model" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>model</span></a> <a href="https://infosec.exchange/tags/study" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>study</span></a> <a href="https://infosec.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cybersecurity</span></a> <a href="https://infosec.exchange/tags/infosec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infosec</span></a></p>