Docker Certified Associate Certification Training Course - Docker Swarm

The video tutorial explains Docker's native orchestrator, focusing on Docker Swarm. It covers enabling Swarm mode, managing clusters, and the benefits of high availability. The tutorial also details the Swarm environment, including worker and manager nodes, and resource allocation for smooth container operation.

What is the primary function of Docker's firm as described in the video?

• To create Docker images

• To replace Docker CLI

• To manage multiple Docker hosts in a cluster

• To provide a user interface for Docker

Why is Docker swarm mode initially disabled?

• To save system resources

• To ensure compatibility with older systems

• To prevent unauthorized access

• To allow standalone Docker commands to be executed

How does Docker swarm ensure high availability of applications?

• By automatically moving applications to another host if needed

• By using a backup server

• By reducing application size

• By creating multiple copies of the application

What is the role of the manager node in a Docker swarm environment?

• To allocate resources and ensure worker nodes run smoothly

• To execute Docker commands

• To store Docker images

• To monitor network traffic

What is the minimum number of manager nodes required in a Docker swarm environment?

• Three

• Four

• Two

• One