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Question 1

The following Docker Compose file is deployed as a stack:

Is this statement correct about this health check definition? Solution: Health checks test for app health ten seconds apart. Three failed health checks transition the container into “unhealthy” status.

Options :

A : Yes

B : No

Answer: B

Question 2

Will this configuration achieve fault tolerance for managers in a swarm? Solution: one manager node for two worker nodes

Options :

A : Yes

B : No

Answer: B

Question 3

The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this traffic? Solution: a request issued from a pod bearing the tier: backend label, to a pod bearing the tier: frontend label

Options :

A : Yes

B : No

Answer: B

Question 4

Will this action upgrade Docker Engine CE to Docker Engine EE? Solution: Uninstall 'docker-ce' package before installing 'docker-ee' package.

Options :

A : Yes

B : No

Answer: B

Question 5

What is the purpose of multi-stage builds?

Options :

A : Better logical separation of Dockerfile instructions for better readability

B : Optimizing images by copying artifacts selectively from previous stages

C : Better caching when building Docker images

D : Faster image builds by allowing parallel execution of Docker builds

Answer: B