Free CompTIA Network+ Training

Finding and fixing common network issues can be a challenge for any network administrator. In this video, you’ll learn how to troubleshoot rogue DHCP servers, IP configuration issues, certificate problems, firewall settings, and more. << Previous Video: Common Network Issues – Part 1 Next Video: Main Index >> One of the challenges when managing a

A network administrator will face a variety of network issues. In this video, you’ll learn how to troubleshoot collisions, broadcast storms, duplicate addresses, asymmetric routes, and more. << Previous Video: General Network Troubleshooting Next Video: Common Network Issues – Part 2 >> Although it’s very unusual to find devices configured for half-duplex Ethernet these days,

There are some standard troubleshooting steps that are common when working on modern networks. In this video, you’ll learn about configuration reviews, routing tables, interface status messages, VLAN assignments, and more. << Previous Video: Common Wireless Issues Next Video: Common Network Issues – Part 1 >> Whenever we run into some type of network problem–

A network administrator will often be tasked with resolving common issues on a wireless network. In this video, you’ll learn about overlapping channels, attenuation, wrong SSID configurations, captive portals, and more. << Previous Video: Wireless Troubleshooting Next Video: General Network Troubleshooting >> One problem you often run into on wireless networks, especially wireless networks that

There are many variables to consider when troubleshooting wireless networks. In this video, you’ll learn about RSSI, EIRP, antenna types, antenna polarization, site surveys, and more. << Previous Video: Command Line Tools Next Video: Common Wireless Issues >> One of the challenges with wireless networks is that the performance can vary quite a bit depending

The command line can provide a wealth of troubleshooting information. In this video, you’ll learn about ping, ipconfig, nslookup, traceroute, and many other command line tools. << Previous Video: Software Tools Next Video: Wireless Troubleshooting >> One of the most common command line tools you will use is the ping command. Ping is used to

The troubleshooting process can involve many different systems and components. In this video, you’ll learn about protocol analyzers, speed test sites, NetFlow, TFTP servers, and more. << Previous Video: Hardware Tools Next Video: Command Line Tools >> If you’re having problems with your wireless network, you may want to see exactly what packets may be

There are many tools in the network administrator’s arsenal. In this video, you’ll learn about crimpers, punch-down tools, loopback plugs, fusion splicers, and much more. << Previous Video: Wired Network Troubleshooting Next Video: Software Tools >> If you’re going to be working on an ethernet network, then you need to have a good set of