You have an application deployed in Google Kubernetes Engine (GKE) that reads and processes Pub/Sub messages. Each Pod handles a fixed number of messages per minute. The rate at which messages are published to the Pub/Sub topic varies considerably throughout the day and week, including occasional large batches of messages published at a single moment.
You want to scale your GKE Deployment to be able to process messages in a timely manner. What GKE feature should you use to automatically adapt your workload?

A. Vertical Pod Autoscaler in Auto mode

B. Vertical Pod Autoscaler in Recommendation mode

C. Horizontal Pod Autoscaler based on an external metric

D. Horizontal Pod Autoscaler based on resources utilization








 

Correct Answer: C

This question is in Google Professional Cloud Developer Exam
For getting Google Professional Cloud Developer Certificate