DevOps & Cloud Engineering Comprehensive Quiz
Twelve questions across Linux, Docker, Kubernetes, AWS, GCP, Nginx and Coolify — instant feedback and an explanation for every answer.
Lesson 26 of 26 · Module: Final exam
The W3DevOps Final Exam
Twelve questions across every module — Linux, Docker, Kubernetes, AWS, Google Cloud, production web and Coolify. Answer each one below for instant feedback and an explanation. If you miss one, the lesson it comes from is linked in the course outline.
Finish all 26 lessons first, then come back and mark this exam complete to close out the course in the Self Guide.
Keep going: ← Lesson 25 · Next: How I Ship 23 Projects → · Module overview · Track it in the Self Guide
ExerciseQuestion 1 of 12
Which command redirects BOTH standard output (stdout) and standard error (stderr) to a file named app.log in modern Bash?
ExerciseQuestion 2 of 12
What permission does octal mode chmod 755 script.sh grant?
ExerciseQuestion 3 of 12
What Linux kernel feature isolates process IDs (PIDs) so container PID 1 is isolated from host processes?
ExerciseQuestion 4 of 12
In Dockerfile engineering, why should COPY package*.json ./ precede COPY . . ?
ExerciseQuestion 5 of 12
In Kubernetes, which Control Plane component is the ONLY one that communicates directly with etcd ?
ExerciseQuestion 6 of 12
A Kubernetes Pod dies with status OOMKilled and exit code 137 . What caused this?
ExerciseQuestion 7 of 12
In AWS IAM, what is the best practice for giving an EC2 instance permission to read an S3 bucket?
ExerciseQuestion 8 of 12
In an AWS VPC with CIDR block 10.0.1.0/24 , how many IP addresses can you assign to EC2 instances?
ExerciseQuestion 9 of 12
Why does refreshing /dashboard on an S3-hosted React SPA result in a 404/403 error?
ExerciseQuestion 10 of 12
In Nginx reverse proxy configuration, why is proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; essential?
ExerciseQuestion 11 of 12
When connecting a new remote server to Coolify, where must Coolify's generated public SSH key be added?
ExerciseQuestion 12 of 12
Which Google Cloud storage class has NO minimum storage duration requirement and lowest latency?
Finished this one?
Part of Self Guide · Stage 9: CI/CD and reliability. Progress is saved in this browser.
