A Systems Administrator Needs to Allow the Linux Server to Receive

Multiple Choice

A systems administrator needs to allow the Linux server to receive HTTP connections from Internet hosts. By default, the port for HTTP connections is blocked. Which of the following rules should be added in the firewall to allow this type of connection?

A) firewall-cmd --zone=public --add-port=443/tcp --permanent
B) firewall-cmd --zone=internal --add-port=80/tcp --permanent
C) firewall-cmd --zone=public --add-port=80/tcp --permanent
D) firewall-cmd --zone=internal --add-port=443/tcp --permanent