Users are unable to connect to a server using HTTPS. The administrator runs the following command on the remote system:

Then, the administrator runs the following command from a local workstation:

Which of the following steps should the administrator take to address the issue?

A Linux administrator built a GitLab server. Later that day, a software engineer tried to access the server to upload the repository during the final step of installation. The software engineer could not access the website.
Which of the following firewall rules would allow access to this site?
iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack -cstate NEW,

A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation.
The administrator runs tracepathand gets the following output:

Which of the following BEST describes the issue and a possible solution?

An administrator needs to create a shared directory in which all users are able, write, and execute its content but none of the regular users are able to delete any content.
Which of the following permissions should be applied to this shared directory?

A systems administrator is implementing disk quotas on /home. During the process, the administrator receives the following error:
Cannot find filesystem to check or filesystem not mounted with user quota option.
Which of the following is the correct order of steps the administrator should follow to resolve this error?