Question 1

Your application runs smoothly when tested on a local environment, but its performance significantly degrades when deployed on a Compute Engine instance. Your task is to identify the root cause of the issue.

What actions do you think are appropriate?

Options :

A : Use Cloud Profiler to determine which functions within the application take the longest amount of time.

B : Add logging commands to the application and use Cloud Logging to check where the latency problem occurs.

C : Use Cloud Debugger snapshots to look at a point-in-time execution of the application.

D : File a ticket with Cloud Support indicating that the application performs faster locally.

Answer: A

Question 2

Your application is logging to Stackdriver. You want to get the count of all requests on all /api/alpha/* endpoints. What should you do?

Options :

A : Add a Stackdriver counter metric for path:/api/alpha/.

B : Add a Stackdriver counter metric for endpoint:/api/alpha/*.

C : Export the logs to Cloud Storage and count lines matching /api/alpha.

D : Export the logs to Cloud Pub/Sub and count lines matching /api/alpha.

Answer: C

Question 3

Your team detected a spike of errors in an application running on Cloud Run in your production project. The application is configured to read messages from Pub/Sub topic A, process the messages, and write the messages to topic B. You want to conduct tests to identify the cause of the errors. You can use a set of mock messages for testing. What should you do?

Options :

A : Deploy the Pub/Sub and Cloud Run emulators on your local machine. Deploy the application locally, and change the logging level in the application to DEBUG or INFO. Write mock messages to topic A, and then analyze the logs.

B : Use the gcloud CLI to write mock messages to topic A. Change the logging level in the application to DEBUG or INFO, and then analyze the logs.

C : Deploy the Pub/Sub emulator on your local machine. Point the production application to your local Pub/Sub topics. Write mock messages to topic A, and then analyze the logs.

D : Use the Google Cloud console to write mock messages to topic A. Change the logging level in the application to DEBUG or INFO, and then analyze the logs.

Answer: C

Question 4

What is the purpose of predefined roles in GCP?

Options :

A : To create custom roles with specific permissions

B : To quickly start working in GCP with broad permissions

C : To allow different activities focused directly on the capabilities offered by the service

D : To restrict access to a particular resource

Answer: B

Question 5

What is the best way to monitor the performance of each integration in a microservice-oriented architecture using Cloud Trace?

Options :

A : By implementing Cloud Trace in every single integration

B : By monitoring only the most critical tasks of the app

C : By creating a general performance diagnosis for the entire application

D : By implementing Cloud Trace in each of the services

Answer: D

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