Network+/Troubleshooting/Network Issues

This lesson covers network issues.

Objectives and Skills
Objectives and skills for the network issues portion of Network+ certification include:
 * Given a scenario, troubleshoot and resolve common network issues
 * Incorrect IP configuration/default gateway
 * Broadcast storms/switching loop
 * Duplicate IP
 * Speed and duplex mismatch
 * End-to-end connectivity
 * Incorrect VLAN assignment
 * Hardware failure
 * Misconfigured DHCP
 * Misconfigured DNS
 * Incorrect interface/interface misconfiguration
 * Cable placement
 * Interface errors
 * Simultaneous wired/wireless connections
 * Discovering neighboring devices/nodes
 * Power failure/power anomalies
 * MTU/MTU black hole
 * Missing IP routes
 * NIC teaming misconfiguration
 * Active-active vs active-passive
 * Multicast vs broadcast

Multimedia

 * 1) Watch YouTube: Troubleshooting IP Configurations - CompTIA Network+ N10-006 - 4.6.
 * 2) Watch YouTube: Troubleshooting DNS and DHCP - CompTIA Network+ N10-006 - 4.6.
 * 3) Watch YouTube: Troubleshooting Broadcast Storms and Switching Loops - CompTIA Network+ N10-006 - 4.6.
 * 4) Watch YouTube: Troubleshooting Interface Configurations - CompTIA Network+ N10-006 - 4.6.
 * 5) Watch YouTube: Troubleshooting VLAN Assignments - CompTIA Network+ N10-006 - 4.6.
 * 6) Watch YouTube: Troubleshooting Network Connectivity - CompTIA Network+ N10-006 - 4.6.
 * 7) Watch YouTube: Troubleshooting Mismatched MTUs - CompTIA Network+ N10-006 - 4.6.
 * 8) Watch YouTube: Troubleshooting NIC Teaming - CompTIA Network+ N10-006 - 4.6.