Kubernetes/Container images quiz

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Container images quiz

8 questions on images, Docker builds, registries and CRI. Check your answers and read the reasoning.

Review the container images lesson

CHECK YOUR UNDERSTANDING

Check the core ideas

Choose one answer per question, then read the explanation. This practice does not record course completion.

1. Two containers start from one image. What do they share?The image layersOne writable layerOne process

2. A release must reference specific image content. What should you use?latestA verified digestAny version tag

3. EXPOSE 8080 is in the Dockerfile. How do you reach the service locally?EXPOSE already publishes itRename the imagePublish a host port with -p

4. What enters the final scratch stage in the lesson example?The compiled server binaryThe Go compilerEvery builder file

5. You tagged an image with your registry namespace. Is it uploaded?Yes, tagging uploads itOnly after a successful pushOnly if it is named latest

6. What is CRI used for?Building DockerfilesStoring registry credentialsCommunication between kubelet and the container runtime

7. Why exclude .env from the build context?To avoid sending local secrets into the build contextTo publish the portTo make tags immutable

8. A scratch container cannot execute sh. What is the likely reason?The registry is offlineThe image contains no shellCRI requires Bash

0/8 answered

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