You can use a number of techniques to identify malicious users. In this video, you’ll learn about trusted and untrusted users, packet analysis, and banner grabbing.
Troubleshooting Malicious User Activities – CompTIA Network+ N10-006 – 4.7 Read More »
ICMP and ARP are two of the fundamental protocols used on our networks. In this video, you’ll learn about the “ping of death,” troubleshooting problems with an unreachable default gateway, and using ARP to troubleshoot issues.
Troubleshooting ICMP and ARP – CompTIA Network+ N10-006 – 4.7 Read More »
A denial of service can be a significant event on any network. In this video, you’ll learn about DoS events, the fundamentals of a distributed DoS, DoS on a wireless network, and the process of troubleshooting a denial of service.
Troubleshooting Denial of Service – CompTIA Network+ N10-006 – 4.7 Read More »
An operating system’s security must be constantly maintained. In this video, you’ll learn about OS patches, updates, and malware attacks.
Troubleshooting Operating System Security Issues – CompTIA Network+ N10-006 – 4.7 Read More »
A firewall is a complex device that can be easily misconfigured. In this video, you’ll learn about connectivity misconfigurations, security policy problems, and misconfigured ACLs or applications.
Troubleshooting Firewall Security Issues – CompTIA Network+ N10-006 – 4.7 Read More »
Many network architectures will use multiple network interface cards in a single device. In this video, you’ll learn about NIC fault tolerance and link aggregation.
Troubleshooting NIC Teaming – CompTIA Network+ N10-006 – 4.6 Read More »
A mismatched MTU can cause lack of connectivity and performance problems. In this video, you’ll learn about the maximum transmission unit (MTU) and how to determine the best MTU size.
Troubleshooting Mismatched MTUs – CompTIA Network+ N10-006 – 4.6 Read More »
Configuring multiple network connections on a single device can challenging. In this video, you’ll learn how to manage a wired and wireless network connection, manage IP routes, and discover neighbor devices.
Troubleshooting Network Connectivity – CompTIA Network+ N10-006 – 4.6 Read More »
A VLAN configuration issue is often difficult to troubleshoot because the issue is caused by a problem on the network switch. In this video, you’ll learn about VLAN issues and how to troubleshoot VLAN problems on your switch.
Troubleshooting VLAN Assignments – CompTIA Network+ N10-006 – 4.6 Read More »
A network interface has many different configuration options that can have an impact on network performance. On this video, you’ll learn about network interface configuration problems and how to troubleshoot interfaces.
Troubleshooting Interface Configurations – CompTIA Network+ N10-006 – 4.6 Read More »
