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What is DNS? DNS is Domain Name Server, when you go to google.com, computers don’t know what google.com is but it does know what an IP address is. So you have a file on you computer that says google.com equals 127.0.0.1. If you want to see the IP of google.com ping google.com on any system. How does DNS work? So when you go to a site like rebootcyber.xyz. First your pc check its DNS cache file then go to a local name server like your router or pi-hole....

How to Pass The Comptia Network+ What is the Network+ The CompTIA Network+ is a basic network cert. That goes over some general network stuff. Your companies may need you need to get certification for a promotion. What resource use you use? Professor Messor is a great resources. He goes thorough the objective in order. This could be a good or bad thing depending on your learning style. A another amazing resources is Jason Dion....