Google PROFESSIONAL-CLOUD-DEVOPS-ENGINEER Exam Questions & Answers

You support an application running on App Engine. The application is used globally and accessed from various device types. You want to know the number of connections. You are using Stackdriver Monitoring for App Engine. What metric should you use?

A. flex/connections/current

B. tcp_ssl_proxy/new_connections

C. tcp_ssl_proxy/open_connections

D. flex/instance/connections/current

You are configuring a CI pipeline. The build step for your CI pipeline integration testing requires access to APIs inside your private VPC network. Your security team requires that you do not expose API traffic publicly. You need to implement a solution that minimizes management overhead. What should you do?

A. Use Cloud Build private pools to connect to the private VPC.

B. Use Spinnaker for Google Cloud to connect to the private VPC.

C. Use Cloud Build as a pipeline runner. Configure Internal HTTP(S) Load Balancing for API access.

D. Use Cloud Build as a pipeline runner. Configure External HTTP(S) Load Balancing with a Google Cloud Armor policy for API access.

You are the on-call Site Reliability Engineer for a microservice that is deployed to a Google Kubernetes Engine (GKE) Autopilot cluster. Your company runs an online store that publishes order messages to Pub/Sub, and a microservice receives these messages and updates stock information in the warehousing system. A sales event caused an increase in orders, and the stock information is not being updated quickly enough. This is causing a large number of orders to be accepted for products that are out of stock. You check the metrics for the microservice and compare them to typical levels:

You need to ensure that the warehouse system accurately reflects product inventory at the time orders are placed and minimize the impact on customers. What should you do?

A. Decrease the acknowledgment deadline on the subscription.

B. Add a virtual queue to the online store that allows typical traffic levels.

C. Increase the number of Pod replicas.

D. Increase the Pod CPU and memory limits.