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Your application is configured to connect to a licensing server at the IP address 10.0.3.21. You plan to deploy this licensing server on Compute Engine without altering the application's configuration. What is the best approach to ensure the application can reach the licensing server?
Your application is configured to connect to a licensing server at the IP address 10.0.3.21. You plan to deploy this licensing server on Compute Engine without altering the application's configuration. What is the best approach to ensure the application can reach the licensing server?
Explanation:
The correct approach is to reserve the IP 10.0.3.21 as a static internal IP address because it falls within the private network range defined by IETF (10.0.0.0/8). This range is reserved for internal use, making it impossible to use as a public IP address. Ephemeral IP addresses are public and do not persist beyond the life of the resource, making options A, B, and C unsuitable for this scenario. Reserving the IP as a static internal address ensures the licensing server is reachable by the application without configuration changes.