Teach Cloud - Cloud, DevOps, and Python Backend Development Blog

❓ Quiz Question

Aug 12, 2026

Quiz: What is a Blue/Green Deployment strategy?

Blue/Green deployments minimize downtime and risk by spinning up the new release alongside the current version and flipping traffic at the router once validated.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is Helm in the Kubernetes ecosystem?

Helm streamlines Kubernetes application management by packaging resource definitions into reusable, version-controlled Charts .

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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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Aug 12, 2026

Quiz: What is the function of a Kubernetes Ingress Controller?

An Ingress Controller (like Nginx Ingress or Traefik) acts as a reverse proxy managing external layer-7 access to internal Kubernetes services.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is the primary difference between Docker Volumes and Bind Mounts?

Docker Volumes are isolated and managed within Docker's storage area ( /var/lib/docker/volumes/ ), while Bind Mounts mount explicit host directories directly.

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Aug 12, 2026

Quiz: How does a Kubernetes Rolling Update deployment ensure zero downtime during an application upgrade?

A Rolling Update spins up new Pods and waits for their readiness probes to succeed before terminating old Pods, ensuring uninterrupted traffic handling.

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Aug 30, 2026