Google Professional Cloud Network Engineer Question 418
Single answerGoogle Cloud PlatformYour company is deploying a web application on Google Cloud that requires a global load balancer to distribute traffic across multiple backend services in different regions. You need to configure the forwarding rules for the load balancer. Which of the following configurations should you use?
- A
Create a global forwarding rule with an IP address and port, pointing to a target HTTP proxy.
- B
Create a regional forwarding rule with a static IP address, pointing to a backend service.
- C
Create a global forwarding rule with a static IP address, pointing to a target HTTPS proxy.
- D
Create a regional forwarding rule with an ephemeral IP address, pointing to a specific virtual machine instance.
Show answer and explanation
Correct answer: C
Explanation
To configure a global load balancer for an HTTPS web application, you need to create a global forwarding rule. This rule should use a static external IP address and point to a target HTTPS proxy. The target HTTPS proxy manages SSL certificates and routes incoming HTTPS traffic to backend services configured in multiple regions. Regional forwarding rules and ephemeral IP addresses are not appropriate for this use case because they do not support global load balancing or HTTPS traffic handling.
- A. Incorrect.
This is incorrect because a global forwarding rule with a target HTTP proxy can be used for HTTP traffic, but the question specifies HTTPS traffic for the web application. HTTPS requires a target HTTPS proxy instead.
- B. Incorrect.
This is incorrect because regional forwarding rules are not used for global load balancing. The requirement is to distribute traffic globally across multiple backend services in different regions.
- C. Correct.
This is correct because a global forwarding rule with a static IP and a target HTTPS proxy is the correct configuration for a global load balancer handling HTTPS traffic.
- D. Incorrect.
This is incorrect because regional forwarding rules with ephemeral IP addresses are used for specific regional use cases, such as traffic targeting individual virtual machine instances, not global load balancers.