Network Configuration and Security

Display network interface information and IP addresses using ip and nmcli

Modify a network connection, such as setting a static IP address, using nmcli

Test network reachability and trace packet routes using ping and traceroute

Test web service availability and inspect HTTP responses using curl

Resolve domain names and troubleshoot DNS using dig

Identify listening ports and active network connections using ss

Explain the basics of firewalld zones and services on Fedora

Open and close ports for web services (HTTP, HTTPS) using firewall-cmd and persist the rules