Q: **CASE STUDY: TechStream Gaming** **Company Overview:** TechStream Gaming is a global gaming company with 500 employees and $50M annual revenue. **Current Environment:** On-premises data centers in US and EU. 200 servers. MySQL databases (5 TB). Peak users: 2M. Cost: $100K/mo. **Business Requirements:** Reduce costs by 40%. Support 5x user growth. Launch in APAC, SA, Africa. Improve deployment to daily. **Executive Statements:** CEO: 'Scale rapidly.' CFO: 'Max $100K/mo, ROI 18mo.' CTO: 'Limited cloud exp, 99.95% uptime.' **Technical Requirements:** <100ms latency globally. Real-time analytics. 5x traffic spikes. EU data residency. DDoS protection. CI/CD. **Constraints:** 12-month migration. Max 4-hour downtime. 20 devs (Java/MySQL), 5 ops (limited cloud). Budget $2M. **QUESTION:** How should you design the network architecture to ensure sub-100ms latency globally and provide DDoS protection?

Identify the GCP services that provide global routing, caching, and edge security.

Q: What mistakes do candidates make on this GCP PCA question?

Selecting DNS geo-routing, which is a common pattern in other clouds but less optimal than GCP's Anycast global load balancing.

Question 1

**CASE STUDY: TechStream Gaming**

**Company Overview:** TechStream Gaming is a global gaming company with 500 employees and $50M annual revenue.
**Current Environment:** On-premises data centers in US and EU. 200 servers. MySQL databases (5 TB). Peak users: 2M. Cost: $100K/mo.
**Business Requirements:** Reduce costs by 40%. Support 5x user growth. Launch in APAC, SA, Africa. Improve deployment to daily.
**Executive Statements:** CEO: 'Scale rapidly.' CFO: 'Max $100K/mo, ROI 18mo.' CTO: 'Limited cloud exp, 99.95% uptime.'
**Technical Requirements:** <100ms latency globally. Real-time analytics. 5x traffic spikes. EU data residency. DDoS protection. CI/CD.
**Constraints:** 12-month migration. Max 4-hour downtime. 20 devs (Java/MySQL), 5 ops (limited cloud). Budget $2M.

**QUESTION:**
How should you design the network architecture to ensure sub-100ms latency globally and provide DDoS protection?

Accepted Answer

Identify the GCP services that provide global routing, caching, and edge security.

Question 2

What mistakes do candidates make on this GCP PCA question?

Accepted Answer

Selecting DNS geo-routing, which is a common pattern in other clouds but less optimal than GCP's Anycast global load balancing.

How to approach this question

Full Answer

Common mistakes

Practice the full GCP Professional Cloud Architect Practice Exam 1

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