A company runs a stateful application in a Kubernetes cluster. The application requires a stable network identity and must be accessible only from within the cluster. The application is deployed as a StatefulSet with three replicas. Which Service type should be used to provide stable network endpoints for each pod?

Headless Service (ClusterIP: None)

What is the primary purpose of a Kubernetes Service?

To encrypt network traffic between pods and external clients using TLS certificates.

To automatically scale the number of pod replicas based on CPU or memory utilization.

To provide a stable network endpoint that remains constant even as the underlying pods are replaced or rescheduled.

To store configuration data that can be mounted into pods as environment variables or files.

A Service has endpoints, but clients cannot connect to it. Which of the following is a common cause of this issue?

The Service's selector matches too many pods.

The Service's name is too long.

The Service is of type ClusterIP.

The Service's targetPort does not match the port the container is listening on.

Certified Kubernetes Application Developer (CKAD)

Domain 4Objective 1

Exposing Applications CKAD Practice Questions (Page 2)

Part of the Application Environment, Configuration and Security domain, which accounts for 25% of the CKAD exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~13–20 in this domain), expect 3–5 from this objective — we provide 20 practice questions to prepare you well beyond it. (estimate)

20questions here

4free pages

7concepts

25%of the exam

Questions 6–10

6foundation · easy
Which Service type should you use to expose a set of pods only to other workloads inside the cluster?
Select an answer first
7expert · hard
A company runs a stateful application in a Kubernetes cluster. The application requires a stable network identity and must be accessible only from within the cluster. The application is deployed as a StatefulSet with three replicas. Which Service type should be used to provide stable network endpoints for each pod?
Select an answer first
8foundation · easy
What is the primary purpose of a Kubernetes Service?
Select an answer first
9foundation · easy
A Service has endpoints, but clients cannot connect to it. Which of the following is a common cause of this issue?
Select an answer first
10application · medium
A DevOps engineer deployed a three-replica web application with the label 'app=web'. The application listens on TCP port 8080. The team needs to make the application reachable from outside the cluster using a stable IP address that can be used in DNS records for external clients. The cluster is running in a cloud environment that supports automatic provisioning of external load balancers. Which Service type should the engineer create?
Select an answer first

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Exposing Applications CKAD Practice Questions (Page 2)

Questions 6–10

Which Service type should you use to expose a set of pods only to other workloads inside the cluster?

What is the primary purpose of a Kubernetes Service?

A Service has endpoints, but clients cannot connect to it. Which of the following is a common cause of this issue?

Keep studying — Application Environment, Configuration and Security