CompTIA
XK0-004 · Question #516
XK0-004 Question #516: Real Exam Question with Answer & Explanation
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Question
A Linux administrator is installing an NGINX-based proxy service on the same server that hosts the Apache-based HTTP services When the administrator launches the proxy service, the following error message is received: Address already in use: make_sock: could not bind to address 0.0.0.0:80 The administrator runs the following commands to troubleshoot the issue and receives the following relevant output: Which of the following is the MOST likely issue?
Exhibit
Options
- AA FORWARD chain rule in iptables is missing
- BAn application is using port 80
- CApache is only listening on localhost:80
- DThe httpd is missing the proxy module
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