Quiz: networking between hosts

Question 7 of 10

One correct answer

You replaced `listen 127.0.0.1:80` with `listen 80` and ran `systemctl reload nginx` without errors, yet `ss -ltn` still shows `127.0.0.1:80`. Why?

nginx could not open the new address next to the old one and stayed on the old one.
ss shows sockets with a delay.
The change was not saved to the file.
Port 80 is taken by another program.

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