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Subtask 2.1: Network TopologyNetworkingCloud Load BalancingCloud ArmorCase Study
This question is part of a case study — click to read the full scenario(Case 01)

CASE STUDY: TechStream Gaming
Overview: Gaming company, 500 employees, $100M revenue. 200 on-prem servers (US/EU), MySQL 5TB. 2M peak users. $150K/mo cost.
Business Req: Reduce cost 40%, 5x growth, 3 new regions, daily deployments.
Execs: CEO wants scale; CFO caps budget at $100K/mo; CTO needs 99.95% uptime, notes team has limited cloud skills.
Tech Req: <100ms global latency, real-time analytics, 5x seasonal spikes, EU data residency, DDoS protection.
Constraints: 12-month migration, max 4-hour downtime.

QUESTION:
Which migration strategy should you recommend for the legacy gaming application to meet the 12-month timeline and team skill constraints?

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GCP PCA · Question 02 · Network Topology

CASE STUDY: TechStream Gaming
Overview: Gaming company, 500 employees, $100M revenue. 200 on-prem servers (US/EU), MySQL 5TB. 2M peak users. $150K/mo cost.
Business Req: Reduce cost 40%, 5x growth, 3 new regions, daily deployments.
Execs: CEO wants scale; CFO caps budget at $100K/mo; CTO needs 99.95% uptime, notes team has limited cloud skills.
Tech Req: <100ms global latency, real-time analytics, 5x seasonal spikes, EU data residency, DDoS protection.
Constraints: 12-month migration, max 4-hour downtime.

QUESTION:
To meet the requirement for <100ms global latency and DDoS protection, which networking solution should you implement?

Answer options:

A.

Regional Network Load Balancers in each region with third-party DDoS appliances.

B.

Global HTTP(S) Load Balancer with Cloud Armor and Cloud CDN.

C.

Cloud DNS with geolocation routing to regional Internal Load Balancers.

D.

Cloud NAT with VPC Service Controls.

How to approach this question

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

Full Answer

B.Global HTTP(S) Load Balancer with Cloud Armor and Cloud CDN.✓ Correct
The Global HTTP(S) Load Balancer uses Google's global network to route users to the closest region, minimizing latency. Cloud Armor integrates directly with it to provide enterprise-grade DDoS protection.

Common mistakes

Selecting regional load balancers, which would require complex DNS management and lack native global DDoS mitigation.
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