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❓ Quiz Question

Aug 12, 2026

Quiz: What is the smallest and simplest deployable unit in the Kubernetes object model?

… cluster, encapsulating one or more tightly coupled containers, storage resources, and an IP.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is the main benefit of Docker Multi-Stage builds?

Multi-stage builds allow you to use intermediate images for compiling binaries and then copy only the finalized artifact into a slim production base image (e.g. alpine).

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❓ Quiz Question

Aug 12, 2026

Quiz: In Linux, what permissions are granted by the command <code>chmod 755 script.sh</code>?

755 octal notation assigns rwx (4+2+1=7) to Owner, and r-x (4+0+1=5) to Group and Others.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is a Container Runtime (e.g. <code>containerd</code>, <code>CRI-O</code>)?

A Container Runtime handles the lifecycle of containers on a node, interacting with Linux cgroups and namespaces to isolate processes.

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❓ Quiz Question

Aug 08, 2026

Quiz: What command builds a Docker image from a Dockerfile?

docker build -t myimage . reads the Dockerfile in the current directory and builds a new image tagged as myimage .

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❓ Quiz Question

Aug 08, 2026

Quiz: In Kubernetes, what object ensures a specified number of Pod replicas are running?

A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets and are typically used instead.

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❓ Quiz Question

Aug 08, 2026

Quiz: What does CI/CD stand for?

CI/CD — Continuous Integration merges code frequently with automated tests; Continuous Delivery automates the release pipeline.

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❓ Quiz Question

Aug 08, 2026

Quiz: Which file format does Docker Compose use for service definitions?

Docker Compose uses YAML (specifically docker-compose.yml or compose.yaml ) to define multi-container applications.

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