Domain 4: Networking (15% of exam)
- Describe the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers
- Describe the different types and use cases for the built-in network drivers
- Describe the types of traffic that flow between the Docker engine, registry and UCP controllers
- Describe and demonstrate how to create a Docker bridge network for developers to use for their containers
- Describe and demonstrate how to publish a port so that an application is accessible externally
- Identify which IP and port a container is externally accessible on
- Compare and contrast “host” and “ingress” publishing modes (Host, Ingress)
- Describe and demonstrate how to configure Docker to use external DNS
- Describe and demonstrate how to use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE)
- Describe and demonstrate how to deploy a service on a Docker overlay network
- Describe and demonstrate how to troubleshoot container and engine logs to resolve connectivity issues between containers:
- (Since Study Guide 1.5) Describe how to route traffic to Kubernetes pods using ClusterIP and NodePort services
- (Since Study Guide 1.5) Describe the Kubernetes’ container network model