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

❓ Quiz Question

Oct 25, 2026

Quiz: How do you export a Matplotlib plot to a high-resolution PNG image with zero cropped labels?

fig.savefig('output.png', dpi=300, bbox_inches='tight') writes a publication-quality raster image and tightens bounding boxes to avoid truncated labels.

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❓ Quiz Question

Oct 25, 2026

Quiz: How does Seaborn integrate with Matplotlib and Pandas DataFrames?

Seaborn wraps Matplotlib with opinionated statistical themes and accepts DataFrames directly via semantic parameters like hue= and style= .

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❓ Quiz Question

Oct 25, 2026

Quiz: Which NumPy universal function method computes the cumulative running sum of an array in-place or along an axis?

np.cumsum(arr) (or np.add.accumulate ) computes the cumulative sum of elements along a given axis.

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❓ Quiz Question

Oct 25, 2026

Quiz: How do you declare a reusable anchor in YAML and subsequently reference (alias) it?

YAML anchors are defined using an ampersand ( &name ) and referenced using an asterisk alias ( *name ).

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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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❓ 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