You want to route requests to 'example.com/api' to a Service named 'api', and all other requests to 'example.com' to a Service named 'web'. How many Ingress rules are needed?

One rule with a single path that matches both.

Two Ingress resources, one for each Service.

A company wants to expose a web application and an API using a single external IP. The web app should be accessible at 'example.com' and the API at 'api.example.com'. Both Services are in the same namespace. Which approach should be used?

Create an ExternalName Service for each application.

Create a LoadBalancer Service for each application.

Create a NodePort Service for each application and use a DNS load balancer.

Create an Ingress with host-based rules for 'example.com' and 'api.example.com'.

An Ingress resource is configured to route traffic to a Service named 'web-svc'. The Service exists and has endpoints. However, requests to the Ingress return a 503 Service Unavailable error. What is the most likely cause?

The Service selector does not match any pods.

The Ingress backend references the wrong Service port.

The Ingress controller is not running.

The hostname in the Ingress does not match the request's Host header.

Certified Kubernetes Application Developer (CKAD)

Domain 4Objective 1

Exposing Applications CKAD Practice Questions (Page 4)

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 16–20

16foundation · easy
You want to route requests to 'example.com/api' to a Service named 'api', and all other requests to 'example.com' to a Service named 'web'. How many Ingress rules are needed?
Select an answer first
17foundation · easy
A Service is not routing traffic to any pods. Which command would you run to check if the Service has any endpoints?
Select an answer first
18foundation · easy
In an Ingress resource, which field specifies the hostname for host-based routing?
Select an answer first
19application · medium
A company wants to expose a web application and an API using a single external IP. The web app should be accessible at 'example.com' and the API at 'api.example.com'. Both Services are in the same namespace. Which approach should be used?
Select an answer first
20application · medium
An Ingress resource is configured to route traffic to a Service named 'web-svc'. The Service exists and has endpoints. However, requests to the Ingress return a 503 Service Unavailable error. What is the most likely cause?
Select an answer first

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Exposing Applications CKAD Practice Questions (Page 4)

Questions 16–20

You want to route requests to 'example.com/api' to a Service named 'api', and all other requests to 'example.com' to a Service named 'web'. How many Ingress rules are needed?

A Service is not routing traffic to any pods. Which command would you run to check if the Service has any endpoints?

In an Ingress resource, which field specifies the hostname for host-based routing?

A company wants to expose a web application and an API using a single external IP. The web app should be accessible at 'example.com' and the API at 'api.example.com'. Both Services are in the same namespace. Which approach should be used?

An Ingress resource is configured to route traffic to a Service named 'web-svc'. The Service exists and has endpoints. However, requests to the Ingress return a 503 Service Unavailable error. What is the most likely cause?

Keep studying — Application Environment, Configuration and Security