You are building an application that stores relational data from users. Users across the globe will use this application. Your CTO is concerned about the scaling requirements because the size of the user base is unknown. You need to implement a database solution that can scale with your user growth with minimum configuration changes. Which storage solution should you use?

• A.Cloud SQL
• B.Cloud Spanner
• C.Cloud Firestore
• D.Cloud Datastore

Correct Answer: B

Cloud Spanner is a relational database and is highly scalable. Cloud Spanner is a highly scalable, enterprise-grade, globally-distributed, and strongly consistent database service built for the cloud specifically to combine the benefits of relational database structure with a non-relational horizontal scale. This combination delivers high-performance transactions and strong consistency across rows, regions, and continents with an industry-leading 99.999% availability SLA, no planned downtime, and enterprise-grade security Ref: https://cloud.google.com/spanner

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You need to configure IAM access audit logging in BigQuery for external auditors. You want to follow Google-recommended practices. What should you do?

• A.Add the auditors group to the `logging.viewer' and `bigQuery.dataViewer' predefined IAM roles.
• B.Add the auditors group to two new custom IAM roles.
• C.Add the auditor user accounts to the `logging.viewer' and `bigQuery.dataViewer' predefined IAM roles.
• D.Add the auditor user accounts to two new custom IAM roles.

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You developed a new application for App Engine and are ready to deploy it to production. You need to estimate the costs of running your application on Google Cloud Platform as accurately as possible. What should you do?

• A.Create a YAML file with the expected usage. Pass this file to the "gcloud app estimate" command to get an accurate estimation.
• B.Multiply the costs of your application when it was in development by the number of expected users to get an accurate estimation.
• C.Use the pricing calculator for App Engine to get an accurate estimation of the expected charges.
• D.Create a ticket with Google Cloud Billing Support to get an accurate estimation.

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You need to host an application on a Compute Engine instance in a project shared with other teams. You want to prevent the other teams from accidentally causing downtime on that application. Which feature should you use?

• A.Use a Preemptible VM.
• B.Use a sole-tenant node.
• C.Use a Shielded VM.
• D.Enable deletion protection on the instance.

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You have a Compute Engine instance hosting a production application. You want to receive an email if the instance consumes more than 90% of its CPU resources for more than 15 minutes.
You want to use Google services. What should you do?

• A.1. Create a consumer Gmail account.
  2. Write a script that monitors the CPU usage.
  3. When the CPU usage exceeds the threshold, have that script send an email using the Gmail account and smtp.gmail.com on port 25 as SMTP server.
• B.1. Create a Stackdriver Workspace, and associate your Google Cloud Platform (GCP) project with it.
  2. Create an Alerting Policy in Stackdriver that uses the threshold as a trigger condition.
  3. Configure your email address in the notification channel.
• C.1. In Stackdriver Logging, create a logs-based metric to extract the CPU usage by using this regular expression: CPU Usage: ([0-9] {1,3})%
  2. In Stackdriver Monitoring, create an Alerting Policy based on this metric.
  3. Configure your email address in the notification channel.
• D.1. Create a Stackdriver Workspace, and associate your GCP project with it.
  2. Write a script that monitors the CPU usage and sends it as a custom metric to Stackdriver.
  3. Create an uptime check for the instance in Stackdriver.

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