Google Professional Cloud Network Engineer Question 392
Single answerGoogle Cloud PlatformYou are designing a highly scalable backend for a web application hosted on Google Cloud. The application requires low-latency communication with various endpoints deployed in multiple Google Cloud regions. To achieve this, you need to configure the backend service to use network endpoint groups (NEGs). Which type of NEG should you use to ensure efficient routing to these endpoints?
- A
Zonal Network Endpoint Group (Zonal NEG)
- B
Serverless Network Endpoint Group (Serverless NEG)
- C
Internet Network Endpoint Group (Internet NEG)
- D
Global Network Endpoint Group (Global NEG)
Show answer and explanation
Correct answer: A
Explanation
To achieve low-latency communication with endpoints in multiple Google Cloud regions, Zonal NEGs should be used. Zonal NEGs provide direct references to endpoints in particular zones, ensuring efficient routing and scalability for backend services. Other types of NEGs, such as Serverless NEGs and Internet NEGs, are designed for specific use cases like serverless platform integration or external internet access, which do not meet the requirements of this scenario.
- A. Correct.
Zonal Network Endpoint Groups (Zonal NEGs) are ideal for backend services that need to directly reference endpoints in specific zones. They support granular routing and are suited for low-latency communication in regional setups.
- B. Incorrect.
Serverless NEGs are used to integrate serverless platforms like Cloud Run, App Engine, or Cloud Functions. They are not designed for direct low-latency routing to endpoints in multiple regions.
- C. Incorrect.
Internet NEGs are used to configure external backends accessible via the internet. This is not suitable for internal low-latency communication within Google Cloud regions.
- D. Incorrect.
Global NEGs do not exist as a specific type of NEG. The other options are the valid types of NEGs supported by Google Cloud.