A developer creates a user-defined bridge network and attaches two containers to it. How can those containers resolve each other by default?

AOnly by editing /etc/hosts on the host

BBy container name through Docker's embedded DNS

COnly by static IP addresses assigned with docker run --ip

DThey cannot resolve each other unless a DNS sidecar is added

Related Questions

An engineer starts a container with `--network host` and also adds `-p 8080:8080`. What should they ...

medium

A team wants multiple swarm services to communicate across different hosts on the same virtual netwo...

medium

A replicated web service publishes port 443 with the default ingress mode. A client connects to a sw...

hard

An operator wants to connect a standalone troubleshooting container to an existing overlay network f...

medium

A mixed cluster includes Linux and Windows nodes. The architect wants encrypted overlay traffic for ...

hard

View all Networking questions

Educational Content — CertQnA practice questions are written against official exam objectives, covering the same domains tested on the real exam. All content is original and independent — not actual exam questions, not affiliated with any certification vendor. Learn more about our content policy

Discussion

Be the first to share your understanding of this concept

⚠️ Discussion is for concept clarification only. Do not share or request actual exam questions or answers.