109.3 – Basic network troubleshooting
Weight
4
Description
Candidates should be able to troubleshoot networking issues on client hosts.
Key Knowledge Areas
-
Manually configure network interfaces, including viewing and changing the configuration of network interfaces using
iproute2. -
Manually configure routing, including viewing and changing routing tables and setting the default route using
iproute2. -
Debug problems associated with the network configuration.
-
Awareness of legacy net-tools commands.
Files, Terms, and Utilities
-
ip -
hostname -
ss -
ping -
ping6 -
traceroute -
traceroute6 -
tracepath -
tracepath6 -
netcat -
ifconfig -
netstat -
route