109.3 - Basic network troubleshooting

Weight: 4

Description: Candidates should be able to troubleshoot networking issues on client hosts.

Key Knowledge Areas:

  • Manually and automatically configure network interfaces and routing tables to include adding, starting, stopping, restarting, deleting or reconfiguring network interfaces
  • Change, view, or configure the routing table and correct an improperly set default route manually
  • Debug problems associated with the network configuration

Terms and Utilities:

  • ifconfig
  • ip
  • ifup
  • ifdown
  • route
  • host
  • hostname
  • dig
  • netstat
  • ping
  • ping6
  • traceroute
  • traceroute6
  • tracepath
  • tracepath6
  • netcat
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