CompTIA Linux+ XK0-006 (V8) Practice Question

The correct command is nmcli con mod Office-LAN ipv4.method manual ipv4.addresses 192.168.10.50/24 ipv4.gateway 192.168.10.1 ipv4.dns 8.8.8.8. This command uses nmcli con mod to modify an existing connection. It correctly sets the IPv4 method to manual for a static configuration. It then specifies the static IP address and subnet mask (ipv4.addresses), the default gateway (ipv4.gateway), and the DNS server (ipv4.dns) using the proper property names. The command nmcli con add is incorrect because it is used to create a new connection, not modify an existing one. The command using nmcli dev mod is incorrect as dev is used to manage devices, not connection profiles, and it does not have the same options for setting IP configuration persistently. The command using ip4 and gw4 is incorrect because those property names are used when adding a new connection with nmcli con add, not when modifying one with nmcli con mod.