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Quiz

URL Shortener — knowledge check

5 questions · url-shortener

1. At 10K RPS with a 100:1 read:write ratio, which is the correct first architecture?

2. You're picking the redirect status code. Which best supports accurate analytics?

3. A user creates a URL in the EU region and immediately shares it. The sharing viewer is in NA. What must the multi-region 1B RPS architecture do to avoid a 404?

Scenario: Global KV with async cross-region replication; edge PoPs serve reads from the nearest region.

4. Which of these belong in the 1M RPS variant? (Select all that apply.)

5. Redis fails at 1M RPS. What's the top mitigation to prevent a DB stampede?