CompTIA
XK0-004 · Question #354
XK0-004 Question #354: Real Exam Question with Answer & Explanation
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Question
A network administrator installed a web server on a Linux host and added a firewalld command to open port 80/tcp. The web server worked without error until an updated and patched kernel was installed on the system a month later. Now users are unable to access the web server even though the service is running. Which of the following would fix the issue?
Options
- AUse the firewalld command to open the HTTP application service rather than the port
- BChange the firewalld zone to private and open port tcp/80
- CIssue an additional firewalld command to open up port tcp/443 as well as port tcp/80
- DUse the firewalld command to open tcp/80 both with and without the --permanent switch
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