Two SSL cert How to tell Nginx which one to use

Question

I have two SSL certs (I have no idea why). And I am trying to deploy a webpage on Nginx. My doubt is how will Nginx know which cert to use?

Comments

Go to /etc/nginx/certs/ directory and add the certificate you want to add

server {
# ...previous content here
ssl on;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;}