You are designing an application that lets users upload and share photos. You expect your application to grow really fast and you are targeting a worldwide audience. You want to delete uploaded photos after 30 days. You want to minimize costs while ensuring your application is highly available. Which GCP storage solution should you choose?

• A.Persistent SSD on VM instances.
• B.Cloud Filestore.
• C.Multiregional Cloud Storage bucket.
• D.Cloud Datastore database.

Correct Answer: C

Cloud Storage allows world-wide storage and retrieval of any amount of data at any time. We dont need to set up auto-scaling ourselves. Cloud Storage autoscaling is managed by GCP. Cloud Storage is an object store so it is suitable for storing photos. Cloud Storage allows world-wide storage and retrieval so cater well to our worldwide audience. Cloud storage provides us lifecycle rules that can be configured to automatically delete objects older than 30 days. This also fits our requirements. Finally, Google Cloud Storage offers several storage classes such as Nearline Storage ($0.01 per GB per Month) Coldline Storage ($0.007 per GB per Month) and Archive Storage ($0.004 per GB per month) which are significantly cheaper than any of the options above.
Ref: https://cloud.google.com/storage/docs
Ref: https://cloud.google.com/storage/pricing

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You are building a multi-player gaming application that will store game information in a database. As the popularity of the application increases, you are concerned about delivering consistent performance. You need to ensure an optimal gaming performance for global users, without increasing the management complexity. What should you do?

• A.Use Cloud Spanner to store user data mapped to the game statistics.
• B.Store game statistics in a Bigtable database partitioned by username.
• C.Use BigQuery to store game statistics with a Redis on Memorystore instance in the front to provide global consistency.
• D.Use Cloud SQL database with cross-region replication to store game statistics in the EU, US, and APAC regions.

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Your company has embraced a hybrid cloud strategy where some of the applications are deployed on Google Cloud. A Virtual Private Network (VPN) tunnel connects your Virtual Private Cloud (VPC) in Google Cloud with your company's on-premises network. Multiple applications in Google Cloud need to connect to an on-premises database server, and you want to avoid having to change the IP configuration in all of your applications when the IP of the database changes.
What should you do?

• A.Query the Compute Engine internal DNS from the applications to retrieve the IP of the database.
• B.Configure Cloud NAT for all subnets of your VPC to be used when egressing from the VM instances.
• C.Configure the IP of the database as custom metadata for each instance,
• D.Create a private zone on Cloud DNS, and configure the applications with the DNS name.

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You need to set up a policy so that videos stored in a specific Cloud Storage Regional bucket are moved to Coldline after 90 days, and then deleted after one year from their creation. How should you set up the policy?

• A.Use Cloud Storage Object Lifecycle Management using Age conditions with SetStorageClass and Delete actions. Set the SetStorageClass action to 90 days and the Delete action to 365 days.
• B.Use gsutil rewrite and set the Delete action to 275 days (365-90).
• C.Use Cloud Storage Object Lifecycle Management using Age conditions with SetStorageClass and Delete actions. Set the SetStorageClass action to 90 days and the Delete action to 275 days (365 - 90)
• D.Use gsutil rewrite and set the Delete action to 365 days.

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You are working on a project named amazon-ace, and want to list all the roles assigned to users in the project. Which of the following gcloud command would you use?

• A.gcloud iam list amazon-ace
• B.gcloud iam get-iam-policy amazon-ace
• C.gcloud projects get-iam-policy amazon-ace
• D.gcloud projects list amazon-ace

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