XK0-005 Question #10720: Real Exam Question with Answer & Explanation

Question

systems administrator confirms the issue with the following command: The administrator logs in to the company's web server to check its configuration and sees the following output: [email protected]:-># firewall-cmd --list-all public (active) target: default icmp-block-inversion: no interfaces: dummy0 eth0 sources: services: cockpit dhcpv6-client http ssh ports: 3001/tcp protocols: forward: no masquerade: no forward-ports: source-ports: icmp-blocks: rich rules: rule family="ipv4" source address="61.177.173.6" port port="ssh" protocol="tcp" reject type="icmp-port-unreachable" rule family="ipv4" source address="185.143.45.164" port port="ssh" protocol="tcp" reject type="icmp-port-unreachable" rule family="ipv4" source address="143.198.60.41" port port="ssh" protocol="tcp" reject type="icmp-port-unreachable" [email protected]:-># ip route default via 172.31.1.1 dev eth0 proto dhcp src 65.21.187.65 metric 100 10.0.6.0/24 dev dummy0 proto kernel scope link src 10.0.6.65 metric 550 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 172.18.0.0/16 dev br-28ac2eaeeca1 proto kernel scope link src 172.18.0.1 172.19.0.0/16 dev br-fb3897555ca3 proto kernel scope link src 172.19.0.1 linkdown 172.31.1.1 dev eth0 proto dhcp scope link src 65.21.187.65 metric 100 192.168.224.0/20 dev br-e949ab177d79 proto kernel scope link src 192.168.224.1 linkdown 192.168.240.0/20 dev br-6adf72ac0ae3 proto kernel scope link src 192.168.240.1 linkdown Which of the following is causing the issue?

Options

• AThe web server's interface has no link.
• BThe default route on the web server is incorrect.
• CHTTPS traffic is not allowed through the web server firewall.
• DUser IP addresses are rejected by the firewall.