DOCKER

QUESTION 1 OF 5

You have created your first application and would like to test it before showing it to stakeholders. A colleague suggests using Docker to execute this task. What is Docker an example of? Explanation. Some would consider Docker the most popular containerized technology to test new software on your machine.

An image

A host machine

A registry

A container technologyCorrect Answer

QUESTION 2 OF 5

You have been talking to a colleague about how beneficial Docker has been to you for packaging and running applications in containers over the past several weeks. Your colleague has finally decided to install Docker on their local machine and reaches out to you for help with the installation process. Which method can your colleague execute to get Docker up and running on their machine? Explanation. Your colleague can install Docker, based on their operating system, from the Docker website.

Installing Docker from the Docker website based on their operating systemCorrect Answer

Executing the docker run hello-world command from the command line

Connecting to your machine and transferring Docker over to their local machine

Docker will automatically download to your colleague’s machine when they deploy their first application

QUESTION 3 OF 5

A colleague is discussing the combination of application code, data files, configuration, and libraries that are needed to run an application. What Docker term are they referring to? Explanation. An image contains all of the dependencies needed to run an application.

A tag

Layers

An imageCorrect Answer

A container

QUESTION 4 OF 5

A new programmer with your company has run into the issue of how to test multiple independent components together, which components must work properly in order for the application to run smoothly. What advice would you give the programmer to make their development process more efficient? Explanation. Using multiple containers to test the entirety of the application can be beneficial because the microservices are independent from one another.

Use multiple registries to test the application.

Use multiple containers to test the different microservices of the application.Correct Answer

Reprogram the components so they are dependent on each other.

Update the tags for each component to the same name.

QUESTION 5 OF 5

You share a new idea for an application with your team to get their feedback and any advice to make the application better. Some members of your team provide feedback on the build artifacts. Which of the following are examples of build artifacts? Select all that apply. Explanation. Build artifacts are items created during the build process, including containers, documentation, libraries, and scripts.

LibrariesCorrect Answer

DocumentationCorrect Answer

ScriptsCorrect Answer

Local machine

Ready to test your recall?

You have created your first application and would like to test it before showing it to stakeholders. A colleague suggests using Docker to execute this task. What is Docker an example of? Explanation. Some would consider Docker the most popular containerized technology to test new software on your machine.

An image

A host machine

A registry

A container technology

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