How can you combine high availability with cost optimization for a GCP service that must handle variable traffic?

hard📝 Application Q9 of 15

GCP - Cloud SQL and Databases

ADeploy fixed number of instances in one zone

BUse single-zone instances with manual scaling

CDisable health checks to reduce overhead

DUse autoscaling Managed Instance Groups across multiple zones

Step-by-Step Solution

Solution:

Step 1: Understand autoscaling benefits
Autoscaling adjusts instance count based on traffic, saving cost during low demand.
Step 2: Understand multi-zone deployment
Deploying across zones improves availability by avoiding single zone failure.
Step 3: Combine autoscaling and multi-zone for cost and availability
This combination balances cost efficiency and high availability.
Final Answer:
Use autoscaling Managed Instance Groups across multiple zones -> Option D
Quick Check:
Autoscaling + multi-zone = cost + availability [OK]

Quick Trick: Autoscale across zones to save cost and stay available [OK]

Common Mistakes:

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