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What is Docker? Flashcards | StudBud
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What is Docker?
What is Docker?
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StudBud Administration
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Flashcards
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Questions
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Answers
1
What problem does virtualization solve?
Running multiple OS instances on one physical machine
Making apps dependent on specific hardware
Preventing apps from sharing resources
Reducing software compatibility
2
How do containers improve app development?
By requiring physical servers for each app
By bundling apps with dependencies for consistency across environments
By forcing apps to use more RAM
By slowing down deployment times
3
What are the two layers of an operating system?
GUI + Command Line
Kernel + Applications
CPU + Memory
Hardware + Software
4
What is Docker?
A cloud storage service
A tool to create, deploy, and manage containers
A programming language for cloud apps
A type of virtual machine
5
What is a key difference between containers and virtual machines (VMs)?
Containers virtualize part of the OS, while VMs virtualize hardware
VMs use fewer resources than containers
Containers are slower than VMs
Containers require a hypervisor
6
Where do containers "live" when running?
In a web browser
On the host OS kernel
Inside virtual machines
On external USB drives
