Question 1

In the web hosting platform of your company, you must reduce the number of unplanned rollbacks of faulty operations. An 80% decrease was achieved by improvements in QA and test procedures. What other two steps can you take to decrease the rollback?

Options :

A : Replace the platform’s relational database systems with a NoSQL database

B : Remove the QA environment and start executing canary releases

C : Introduce a blue-green deployment model

D : Remove the platform’s dependency on relational database systems

E : Fragment the monolithic platform into microservices

Answer: C,E

Question 2

The database administration team has asked you to help them improve the performance of a new database server running on Compute Engine. The database is used to import and normalize company performance statistics. It is built with MySQL running on Debian Linux. They have an n1-standard-8 VM with 80 GB of SSD zonal persistent disk which they can't restart until the next maintenance event. What should they change to get better performance from this system as soon as possible and in a cost-effective manner?

Options :

A : Create a new virtual machine running PostgreSQL.

B : Migrate their performance metrics warehouse to BigQuery.

C : Dynamically resize the SSD persistent disk to 500 GB.

D : Increase the virtual machine’s memory to 64 GB.

Answer: C

Question 3

Your company has a service that needs to run on a fleet of identical instances and scales according to traffic patterns. You are tasked with setting up a Managed Instance Group (MIG) on Google Cloud Platform. The instances are created from an instance template and a startup script, which fetches the latest version of the application code from a Cloud Storage bucket every time an instance starts. However, your company wants to avoid any potential downtime when deploying updates to the application. Which strategy should you recommend?

Options :

A : Modify the application code to poll the Cloud Storage bucket for updates periodically.

B : Manually replace instances in the MIG after updating the application.

C : Use a rolling update to gradually replace instances in the MIG.

D : Increase the number of instances in the MIG before deploying an update to the application.

Answer: C

Question 4

As a cloud architect, you have observed that a few API requests in your microservices application experience significant delays. You are aware that each API request may pass through multiple services. To identify the specific service causing the longest delays in such cases, what course of action should you pursue?

Options :

A : Set timeouts on your application so that you can fail requests faster.

B : Instrument your application with Cloud Trace in order to break down the request latencies at each microservice.

C : Use Cloud Monitoring to look for insights that show when your API latencies are high.

D : Send custom metrics for each of your requests to Cloud Monitoring.

Answer: B

Question 5

Which of the two actions should we take to store audit logs for long-term access using the principle of least privilege andenable maximum automation and view to external auditors?

Options :

A : Create an account for auditors to have view access to the export storage bucket with the Storage Object Viewer role

B : Export audit logs to BigQuery via an export sink

C : Export audit logs to Cloud Storage via an export sink

D : Create an account for auditors to have view access to Cloud Logging

Answer: B

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