Computer Networks/Troubleshooting/WAN Issues

This lesson covers WAN issues.

Objectives and Skills

Objectives and skills for the WAN issues portion of Network+ certification include:^[1]

• Given a scenario, troubleshoot and resolve common WAN issues
  • Loss of internet connectivity
  • Interface errors
  • Split horizon
  • DNS issues
  • Interference
  • Router configurations
  • Customer premise equipment
    • Smart jack/NIU
    • Demarc
    • Loopback
    • CSU/DSU
    • Copper line drivers/repeaters
  • Company security policy
    • Throttling
    • Blocking
    • Fair access policy/utilization limits
  • Satellite issues
    • Latency

Multimedia

1. Watch YouTube: Troubleshooting WAN Issues - CompTIA Network+ N10-006 - 4.8.
2. Watch YouTube: Troubleshooting Customer Premise Equipment - CompTIA Network+ N10-006 - 4.8.
3. Watch YouTube: Company Security Policies - CompTIA Network+ N10-006 - 4.8.

References