Google Associate Cloud EngineerPlanning and configuring a cloud solutionMedium
A multinational corporation needs to plan for disaster recovery for its critical applications hosted on Google Cloud. The recovery point objective (RPO) is 15 minutes, and the recovery time objective (RTO) is 4 hours. Which Google Cloud networking component can help ensure that traffic is automatically redirected to a healthy region in case of a regional outage?
- ACloud VPN
- BGlobal External HTTP(S) Load Balancer
- CVPC Network Peering
- DCloud Router
Show answer & explanationAnswer & explanation
Correct answer: B. Global External HTTP(S) Load Balancer
A Global External HTTP(S) Load Balancer can distribute traffic across multiple regions and automatically failover to healthy backends in another region if an entire region becomes unavailable, supporting disaster recovery RTO/RPO objectives.
Why the other options are wrong
- A. Cloud VPN creates secure connections between networks, not for automatic global traffic management and failover.
- C. VPC Network Peering connects VPC networks, not for global traffic redirection and failover.
- D. Cloud Router facilitates dynamic routing in VPC networks and VPN/Interconnect, but does not manage global application traffic failover.
Global External HTTP(S) Load Balancer
A Global External HTTP(S) Load Balancer distributes HTTP and HTTPS traffic across multiple regions, providing global load balancing, automatic failover, and high availability for web applications.
- Global Anycast IP address
- Supports multiple regions for backend services
- Automatic failover and health checks
Memory trick: Global Load Balancer: Your traffic's worldwide safety net.