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How can combining serverless functions with managed databases improve application scalability?

hard📝 Architecture Q9 of 15
GCP - Cloud Functions
How can combining serverless functions with managed databases improve application scalability?
AManaged databases require manual scaling with serverless
BFunctions replace databases entirely for storage
CServerless functions slow down database performance
DFunctions handle logic and scale automatically; managed DB scales storage and availability
Step-by-Step Solution
Solution:

  1. Step 1: Understand roles of serverless and managed DB

    Serverless functions scale compute; managed DBs scale storage and availability automatically.

  2. Step 2: Analyze options

    Functions do not replace DBs; managed DBs do not require manual scaling; serverless does not slow DB performance.

  3. Final Answer:

    Functions handle logic and scale automatically; managed DB scales storage and availability -> Option D

  4. Quick Check:

    Serverless + managed DB = scalable app components [OK]
Quick Trick: Combine serverless compute with managed DB for scalability [OK]
Common Mistakes:
  • Thinking functions replace databases
  • Assuming manual DB scaling needed
  • Believing serverless slows DB

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