03 - VMs vs. Containers
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Questions and Answers

What is a key benefit of using containers over VMs in terms of resource utilization?

  • Containers provide stronger isolation at the hardware level.
  • Containers have longer startup times compared to VMs.
  • Containers require less system resources compared to VMs. (correct)
  • Containers are less efficient in resource usage than VMs.

Which technology includes a full copy of an operating system alongside the application, binaries, and libraries?

  • Neither VMs nor Containers
  • Both VMs and Containers
  • VMs (correct)
  • Containers

Why are containers considered lightweight compared to VMs?

  • Containers have longer startup times compared to VMs.
  • Containers require more system resources for operation.
  • Containers provide a full copy of the operating system.
  • Containers share the host system's kernel but have their own OS. (correct)

In terms of isolation, which technology is more secure for applications requiring high isolation?

<p>VMs (B)</p> Signup and view all the answers

Which technology is more scalable and portable according to the provided text?

<p>Containers (B)</p> Signup and view all the answers

What is a key disadvantage of moving VMs across hosts or environments?

<p>It is resource-intensive. (D)</p> Signup and view all the answers

What is a key advantage of containers over virtual machines in terms of resource efficiency?

<p>Containers require less computational power and energy. (A)</p> Signup and view all the answers

How can using containers potentially reduce the environmental impact in data centers?

<p>By maximizing the utilization of physical servers. (B)</p> Signup and view all the answers

What is the core concept of Docker that ensures consistency across various computing environments?

<p>Packaging applications with all their dependencies into containers. (B)</p> Signup and view all the answers

Which part of Docker is responsible for managing Docker containers, images, networks, and volumes?

<p>Docker Daemon (B)</p> Signup and view all the answers

What are Docker Images primarily used for?

<p>To create containers (B)</p> Signup and view all the answers

Which feature of Docker allows applications to run in isolated environments?

<p>Docker Containers (D)</p> Signup and view all the answers

Which type of virtualization technology is more suitable for applications that require full isolation and extensive OS customization?

<p>Virtual Machines (A)</p> Signup and view all the answers

In terms of resource utilization, how does the utilization compare between Virtual Machines and Containers?

<p>Virtual Machines have lower resource utilization (C)</p> Signup and view all the answers

Which virtualization technology is best suited for microservices architectures and CI/CD workflows?

<p>Containers (B)</p> Signup and view all the answers

In terms of scalability, how do Virtual Machines and Containers compare?

<p>Containers are less scalable (D)</p> Signup and view all the answers

What is a key decision factor when choosing between Virtual Machines and Containers based on the information provided?

<p>Nature of applications and security needs influence the choice between Virtual Machines and Containers (C)</p> Signup and view all the answers

Which virtualization technology is more environmentally sustainable based on the comparison provided?

<p>Containers have a higher environmental impact due to their lightweight nature (C)</p> Signup and view all the answers

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