A problem with your DNS servers will affect almost every system in your network. In this video, you’ll learn how to identify DNS issues and ways to troubleshoot and resolve these issues.
CompTIA Network+ N10-005: 2.5 – Troubleshooting DNS Read More »
Two stations with the same IP address can create significant communications problems on the network. In this video, you’ll learn about the symptoms associated with duplicate IP addresses and you’ll learn some techniques for tracking down the conflicting workstations.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Duplicate IP Addresses Read More »
A simple configuration mistake can create big communication problems. In this video, you’ll learn the symptoms of a subnet mask or gateway misconfiguration and how to quickly resolve the issue.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Subnet Masks and Gateways Read More »
It’s often difficult to troubleshooting fiber connections and the fiber modules in a switch or router. In this video, you’ll learn about the symptoms associated with fiber issues and ways that you can troubleshoot bad fiber modules.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Bad Fiber Modules Read More »
Routing problems can create downtime and intermittent connectivity, and they can often be challenging to troubleshoot. In this video, you’ll learn about the outages caused by routing issues and some techniques for troubleshooting these routing problems.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Routing Read More »
Many applications will not allows fragmentation, so the size of the MTU becomes very important. In this video, you’ll learn about MTUs and how fragmentation can cause performance issues and lack of communication across your network.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Mismatched MTUs Read More »
Your routers and switches are important infrastructure devices, and they require a different approach to power. In this video, you’ll learn about ways to maintain uptime and availability during power outages and power supply failures.
CompTIA Network+ N10-005: 2.5 – Troubleshooting Power Failures Read More »
One of your customers would like to have their Windows XP user files backed up onto an external hard drive. Where would you find the customer’s user files?
You’d like to check your hard drive for problems. Which chkdsk option will examine every sector of the disk and attempt to correct any bad sectors?
