How does a service mesh typically implement its features without modifying application code?

By replacing the application container with a new one

By using a separate virtual machine for each service

By modifying the application's source code at runtime

By injecting a sidecar proxy into each pod

Which of the following is a core responsibility of the application delivery layer in a cloud native platform?

Managing container image registries

Performing database schema migrations

Monitoring application business logic errors

Providing a stable endpoint for a set of dynamic application instances

A company has a microservices architecture with many services communicating over HTTP. They need to implement mutual TLS (mTLS) between services, collect detailed traffic metrics, and add retry logic for failed requests. What should they adopt?

A sidecar container in each pod that only logs requests

A Kubernetes Ingress controller

What is egress traffic in the context of a Kubernetes cluster?

Traffic between pods in the same namespace

Traffic originating from pods and leaving the cluster to external destinations

Traffic between pods in different namespaces

Traffic entering the cluster from external clients

Kubernetes and Cloud Native Associate (KCNA)

Domain 3Objective 1

Application Delivery KCNA Practice Questions (Page 2)

Part of the Cloud Native Application Delivery domain, which accounts for 16% of the KCNA exam. Linux Foundation does not publish an official question count, but from its 90-minute exam (~35–60 total, ~6–10 in this domain), expect 2–3 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

8concepts

16%of the exam

Questions 6–10

6foundation · easy
How does a service mesh typically implement its features without modifying application code?
Select an answer first
7foundation · easy
Which of the following is a core responsibility of the application delivery layer in a cloud native platform?
Select an answer first
8application · medium
A company has a microservices architecture with many services communicating over HTTP. They need to implement mutual TLS (mTLS) between services, collect detailed traffic metrics, and add retry logic for failed requests. What should they adopt?
Select an answer first
9foundation · easy
What is egress traffic in the context of a Kubernetes cluster?
Select an answer first
10foundation · easy
Which metric measures the time it takes for a request to travel from the client to the server and back?
Select an answer first

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