You are pulling images from a Docker Trusted Registry installation configured to use self-signed certificates, and this error appears:'x509: certificate signed by unknown authority.You already downloaded the Docker Trusted Registry certificate authority certificate from https://dtr.example.com/ca.How do you trust it? (Select two.)

Place the certificate in /etc/docker/certs.d/dtr.example.com/ca.crt' on all cluster nodes.

Place the certificate in your OS certificate path, trust the certificate system- wide, and restart the Docker daemon across all cluster nodes.

Pass '-trust-certificate ca.crt to the Docker client.

Place the certificate in '/etc/docker/dtr/dtr.example.com.crt' and restart the Docker daemon on all cluster nodes.

Place the certificate in /etc/docker/certs.d/dtr.example.com/ca.crt' on all cluster nodes.

Pass -- insecure-registry to the Docker client.

Place the certificate in your OS certificate path, trust the certificate system- wide, and restart the Docker daemon across all cluster nodes.

Docker DCA Practice Test 4 - Free Online Exam Prep & Questions

You created a new service named 'http* and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service?

Solution. 'docker inspect http'

Become a Premium Member for full access

Unlock Premium Member

Docker DCA Practice Test 4

Question

Docker DCA Practice Tests

Practice Tests