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

❓ Quiz Question

Aug 12, 2026

Quiz: What is the key difference between Kubernetes ConfigMaps and Secrets?

ConfigMaps hold general configuration data as key-value pairs; Secrets store sensitive data like credentials and TLS keys with restricted access controls.

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❓ Quiz Question

Aug 12, 2026

Quiz: Where are GitHub Actions automated workflow files stored in a Git repository?

… Actions automatically detects and executes workflow configuration files stored under .github/workflows/*.yml .

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❓ Quiz Question

Aug 30, 2026

Quiz: What is the purpose of Pydantic `BaseSettings` in FastAPI configuration management?

Pydantic's BaseSettings reads environment variables into typed Python attributes with fallback default values.

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❓ Quiz Question

Oct 25, 2026

Quiz: Which configuration file defines static filesystem mount tables loaded during boot?

/etc/fstab (filesystem table) specifies storage partitions and mount points loaded during system initialization.

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❓ Quiz Question

Oct 25, 2026

Quiz: Which configuration tool or file adjusts kernel runtime tuning parameters (like ip_forward and swappiness)?

sysctl configures Linux kernel parameters dynamically without rebooting, persisting changes via /etc/sysctl.conf .

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❓ Quiz Question

Oct 25, 2026

Quiz: What occurs when a colon in a key-value mapping is not followed by a space (e.g. 'port:8080')?

YAML mappings mandate whitespace after the colon; without space, port:8080 is evaluated as a single string literal.

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Cloud Hub

… infrastructure — Docker, Kubernetes, AWS, Terraform, CI/CD and DevOps.

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❓ Quiz Question

Aug 12, 2026

Quiz: What is the purpose of the Terraform state file (<code>terraform.tfstate</code>)?

The Terraform state file records the current state of managed infrastructure and metadata, enabling Terraform to calculate required changes during plans/applies.

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