Individual hosts use IP addresses, but humans are terrible at memorizing long strings of numbers. To make our lives easier, most TCP/IP networks (and certainly the internet) use the Domain Naming System (DNS) to apply more human-sounding names to systems.
- Yes my friends. … Once again, the great Mikestrami comes along … to help answer questions on the A+ … that have to do with wired networking scenarios. … So, you guys ready? … Here we go. … Now, keep in mind we're talking about wired scenarios. … We have other episodes in this series that cover wireless, … so, here we go. … Number one, no connectivity. … Hmmm, okay. … I'm not sure what no connectivity really means. … Basically, it means you can't get to … whatever resource you want to get to. … So, if that's the case, the big thing … you're going to look at first of all is, … are you physically connected? … Is your patch cable plugged in to the back of your computer? … Do you have good link lights? … Are you sure you're working out okay? … If you are, then the other thing you need to be … looking at is your IP addressing. … Now keep in mind if you're a DHCP client, … then this should be a non-issue. … However, if you have static devices in your network, … there is a possibility that you'll have IP conflicts. …
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- How TCP and IP work together
- Special IP addresses
- Port numbers
- Working with DNS
- Basic and advanced router configuration
- Troubleshooting networks
- Connecting to a Wi-Fi network
- Repairing wireless connections