Google Professional Cloud Network Engineer Question 578
Single answerGoogle Cloud PlatformYou are configuring Cloud NAT for a private subnet in your VPC. The subnet requires internet access for outgoing traffic, and you need to ensure that the NAT IP allocation method supports high availability and simplifies IP management. Which NAT IP address assignment method should you choose?
- A
Automatic NAT IP address allocation
- B
Manual NAT IP address allocation
- C
Custom static IP address allocation
- D
Ephemeral external IP address allocation
Show answer and explanation
Correct answer: A
Explanation
Automatic NAT IP address allocation is the best choice when configuring Cloud NAT for a private subnet requiring high availability and simplified IP management. Google Cloud handles the allocation and management of external IP addresses automatically, ensuring that the solution is scalable and reliable. Manual allocation, on the other hand, requires you to manage the IP addresses yourself, adding complexity and reducing flexibility.
- A. Correct.
Automatic NAT IP address allocation is the recommended method for high availability and ease of IP address management. Google Cloud automatically allocates and manages the IP addresses, ensuring reliability and scalability.
- B. Incorrect.
Manual NAT IP address allocation requires you to specify the external IP addresses, which can increase complexity and is not ideal for simplifying IP management in this scenario.
- C. Incorrect.
Custom static IP address allocation is not a valid option for Cloud NAT. Cloud NAT only allows automatic or manual allocation methods.
- D. Incorrect.
Ephemeral external IP address allocation is not supported by Cloud NAT. Ephemeral IPs are typically assigned to individual VM instances rather than being used for NAT.