Quiz: several containers

Question 2 of 10

Read the output

What does this output tell you about the app container's network?

$ sudo docker exec app grep nameserver /etc/resolv.conf
nameserver 127.0.0.11

DNS is switched off in the container.
app is on the default bridge network.
app looks names up in /etc/hosts and needs no DNS.
app is connected to a Docker network of your own and asks Docker's DNS for names.

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