A developer is troubleshooting a Docker container that runs a web server. The container starts but immediately exits. The developer wants to inspect the container's logs to understand why it exited. Which command should they run?

docker exec cat /var/log/nginx/error.log

Which Docker CLI command builds an image from a Dockerfile in the current directory?

docker commit -t myapp:latest .

docker create -t myapp:latest .

What is the primary purpose of a Kubernetes Service?

To store configuration data for applications.

To provide a stable network endpoint for a set of pods.

To define security policies for pod access.

To manage the lifecycle of pods.

A team is deploying a stateless web application to Kubernetes. They need to ensure the application only receives traffic when it is ready to serve requests, and that Kubernetes restarts the container if the application process hangs. Which set of Kubernetes manifest elements should be included in the Deployment?

A livenessProbe only, configured to check the application's startup endpoint

A startupProbe and a livenessProbe, both checking the same endpoint

A readinessProbe only, configured to check the application's health endpoint

A readinessProbe that checks an HTTP endpoint, and a livenessProbe that checks a different HTTP endpoint

What is a recommended security best practice for container images?

Store secrets directly in the image.

Use the latest tag for all images.

Disable all security scanning to improve performance.

Run containers as a non-root user.

CiscoCertified DevNet Professional

Domain 4Objective 2

Integrate an Application into a Prebuilt CD Environment Leveraging Docker and Kubernetes 350-901 Practice Questions (Page 5)

Part of the 4.0 Application Deployment and Security domain, which accounts for 20% of the 350-901 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 1–1 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)

38questions here

8free pages

14concepts

20%of the exam

Questions 21–25

21application · medium
A developer is troubleshooting a Docker container that runs a web server. The container starts but immediately exits. The developer wants to inspect the container's logs to understand why it exited. Which command should they run?
Select an answer first
22foundation · easy
Which Docker CLI command builds an image from a Dockerfile in the current directory?
Select an answer first
23foundation · easy
What is the primary purpose of a Kubernetes Service?
Select an answer first
24application · medium
A team is deploying a stateless web application to Kubernetes. They need to ensure the application only receives traffic when it is ready to serve requests, and that Kubernetes restarts the container if the application process hangs. Which set of Kubernetes manifest elements should be included in the Deployment?
Select an answer first
25foundation · easy
What is a recommended security best practice for container images?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to 350-901

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Cisco. “350-901” is a trademark of its owner, used for identification only.