ExpertGCP PCA · Question 01 · Domain 1: Designing and Planning a Cloud Solution Architecture
CASE STUDY: TechStream Gaming. 500 emp, $100M rev. On-prem US/EU, 200 servers, MySQL 5TB. 2M peak users. $100K/mo cost. Req: Cut cost 40%, 5x growth, 3 new regions, daily deploys. CEO: Scale fast. CFO: <$100K/mo, 18mo ROI. CTO: Low cloud skills, 99.95% uptime. Tech: <100ms latency, real-time analytics, 5x spikes, EU data residency, DDoS protection, CI/CD. Constraints: 12mo migration, 4hr downtime, 20 devs (Java/MySQL), 5 ops (no cloud), $2M budget.
Which migration strategy should you recommend for the legacy monolithic application to meet the 12-month timeline and team skill constraints?
CASE STUDY: TechStream Gaming. 500 emp, $100M rev. On-prem US/EU, 200 servers, MySQL 5TB. 2M peak users. $100K/mo cost. Req: Cut cost 40%, 5x growth, 3 new regions, daily deploys. CEO: Scale fast. CFO: <$100K/mo, 18mo ROI. CTO: Low cloud skills, 99.95% uptime. Tech: <100ms latency, real-time analytics, 5x spikes, EU data residency, DDoS protection, CI/CD. Constraints: 12mo migration, 4hr downtime, 20 devs (Java/MySQL), 5 ops (no cloud), $2M budget.
Which migration strategy should you recommend for the legacy monolithic application to meet the 12-month timeline and team skill constraints?
Answer options:
Refactor entirely to microservices on GKE before migrating.
Rehost to Compute Engine using Migrate for Compute Engine.
Replatform to Cloud Run by containerizing the monolith.
Replace with a SaaS gaming platform.
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