Google Professional Cloud Network Engineer Question 157
Select 3Google Cloud PlatformYour organization is planning a hybrid cloud architecture that connects several on-premises data centers to Google Cloud using Cloud VPN. You are tasked with designing the IP address space to ensure seamless connectivity and avoid IP address conflicts. Which of the following actions should you take during the IP address planning phase?
- A
Use RFC 1918 private IP ranges for both on-premises and Google Cloud networks.
- B
Ensure that subnets in Google Cloud and on-premises do not overlap by reserving unique IP ranges for each environment.
- C
Use the default VPC network in Google Cloud without modifications to simplify the configuration.
- D
Plan for future expansion by reserving additional non-overlapping IP ranges for both on-premises and Google Cloud.
- E
Implement public IP ranges for internal communication to avoid conflicts with private IP ranges.
Show answer and explanation
Correct answers: A, B, D
Explanation
Planning the IP address space in a hybrid cloud environment requires careful consideration to avoid overlaps and ensure scalability. Using RFC 1918 ranges, avoiding subnet conflicts, and reserving additional space for future growth are key best practices. On the other hand, relying on the default VPC configuration or using public IP ranges for internal communication can lead to significant operational and security issues.
- A. Correct.
Using RFC 1918 private IP ranges is a best practice for internal networking in both on-premises and cloud environments. These ranges are reserved for private use and are not routable on the public internet.
- B. Correct.
Ensuring that subnets do not overlap is critical for establishing seamless hybrid connectivity. Overlapping IP ranges can cause routing conflicts and connectivity issues.
- C. Incorrect.
Using the default VPC without modifications is not recommended because it may lead to IP address conflicts or inefficient IP range allocation. Customizing the VPC ensures better alignment with your organization's needs.
- D. Correct.
Reserving additional non-overlapping IP ranges ensures scalability and flexibility for future growth, reducing the risk of needing to reassign IP addresses later.
- E. Incorrect.
Using public IP ranges for internal communication is not recommended as it can expose sensitive data to the public internet and violate best practices for internal networking.