Question 1

When scaling a stateful application in Kubernetes, what role does the "Headless Service" play?

Options :

A : Enables zero-downtime deployments for the stateful application.

B : Allows each Pod in the StatefulSet to have its own stable hostname.

C : Provides automatic failover and recovery for the stateful application.

D : Automatically replicates the stateful data across multiple nodes.

Answer: B

Question 2

In a cloud-native application architecture, you're planning to use a combination of microservices and serverless functions. You're concerned about the possible difficulties with regards to tracing and monitoring. Which of the following options would be the most suitable solution to implement tracing and monitoring effectively in this architecture?

Options :

A : Using Kubernetes' native logging and monitoring tools.

B : Implementing dedicated microservices for tracing and monitoring.

C : Using an external, third-party logging and monitoring solution.

D : Implementing an Istio service mesh.

Answer: D

Question 3

What is the most appropriate strategy for managing configuration in a cloud-native application?

Options :

A : Using environment variables

B : Storing configuration in a version control system like Git

C : Using a centralized configuration management database (CMDB)

D : Hardcoding configuration in the application code

Answer: A

Question 4

Your company requires that container images used in the Kubernetes cluster must come from an approved registry and have undergone vulnerability scanning. Which security feature can you use to enforce this requirement?

Options :

A : Implement a custom webhook to check image vulnerability reports before pod scheduling.

B : Configure the cluster with a whitelist of approved image registries.

C : Utilize Resource Quotas to limit the image sources.

D : Use a Validating Admission Controller to check image sources.

Answer: D

Question 5

Each Kubernetes Object has the following properties.

Options :

A : Tags

B : UUID

C : Name

D : ID

E : Labels

Answer: B,C

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