02 - Introduction to Containers and Their Advantages

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What is the main advantage of containers in terms of resource usage?

Containers require additional operating systems to run.

Containers have high resource usage compared to traditional virtual machines.

Containers are heavyweight and consume more resources.

Containers utilize the host system's kernel efficiently. (correct)

Which problem do containers help in reducing according to the text?

Security vulnerabilities

Complex deployment processes

"It works on my machine" problem (correct)

Resource inefficiency

How do containers contribute to rapid deployment and scaling?

Containers have slow runtimes which enable quick scaling.

Containers cannot be scaled efficiently.

Containers are heavy, allowing for faster deployment.

Containers can be quickly started, replicated, and stopped due to their small size and fast runtimes. (correct)

Which advantage do containers provide in terms of security?

Containers enhance security through process isolation. Signup and view all the answers

What makes containers ideal for hosting individual services in a microservices architecture?

Isolation and scalability Signup and view all the answers

How do containers contribute to enhancing development and deployment speeds in DevOps and Agile environments?

By simplifying deployment and management processes Signup and view all the answers

What is a key advantage of containers over virtual machines?

Containers are highly scalable. Signup and view all the answers

In terms of resource utilization, how do containers compare to virtual machines?

Containers have lower resource utilization. Signup and view all the answers

Which of the following is a common use case for containers?

Microservices architectures. Signup and view all the answers

Why might modern, cloud-native applications be more suited to containers?

Because containers are highly scalable and portable. Signup and view all the answers

Which factor would make virtual machines a better choice over containers for an application?

Need for extensive OS customization. Signup and view all the answers

What makes containers more efficient than virtual machines in resource-constrained environments?

Containers are lightweight and have lower resource utilization. Signup and view all the answers

What is the main advantage of containers utilizing the host's OS kernel?

Efficiently allowing multiple containers to run on the same kernel Signup and view all the answers

How do containers ensure that processes in one container cannot interfere with those in another?

By using an advanced isolation mechanism based on namespaces Signup and view all the answers

What are container images primarily used for?

Storing and sharing container images in centralized hubs Signup and view all the answers

Which mechanism is responsible for allocating and limiting resources like CPU, memory, and I/O for containers?

Resource management tools similar to cgroups Signup and view all the answers

Why do containers share common binaries and libraries with the host?

To reduce redundancy and save space Signup and view all the answers

What technology ensures that containers provide isolated workspaces including process trees, network interfaces, and file systems?

Advanced isolation mechanisms based on namespaces Signup and view all the answers