You have a Compute Engine instance hosting an application used between 9 AM and 6 PM on weekdays. You want to back up this instance daily for disaster recovery purposes. You want to keep the backups for 30 days. You want the Google-recommended solution with the least management overhead and the least number of services. What should you do?

• A.1. Update your instances' metadata to add the following value: snapshot-schedule: 0 1 * * *
  2. Update your instances' metadata to add the following value: snapshot-retention: 30
• B.1. In the Cloud Console, go to the Compute Engine Disks page and select your instance's disk.
  2. In the Snapshot Schedule section, select Create Schedule and configure the following parameters:
  - Schedule frequency: Daily
  - Start time: 1:00 AM ?2:00 AM
  - Autodelete snapshots after 30 days
• C.1. Create a Cloud Function that creates a snapshot of your instance's disk.
  2. Create a Cloud Function that deletes snapshots that are older than 30 days.
  3. Use Cloud Scheduler to trigger both Cloud Functions daily at 1:00 AM.
• D.1. Create a bash script in the instance that copies the content of the disk to Cloud Storage.
  2. Create a bash script in the instance that deletes data older than 30 days in the backup Cloud Storage bucket.
  3. Configure the instance's crontab to execute these scripts daily at 1:00 AM.

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You're working as a Cloud Engineer for a small company. The lead developer needs to create some new projects in order to get started with deploying the codebase. She tried to create a project and received an error. She messaged you on Slack to ask for help, though, she couldn't recall the exact error message. You checked and found that she does have Project Creator permissions. Keeping in mind the principle of least privilege, what is the best role to grant her so that she can create billable projects?

• A.The "Billing Account Viewer" role.
• B.The "Billing Account User" role.
• C.The "Billing Account Administrator" role.
• D.The "Project Owner" role.

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