Professional-Cloud-Database-Engineer 試験問題を無料オンラインアクセス

You are designing a database strategy for a new web application in one region. You need to minimize write latency. What should you do?

• A.Use zonal Cloud SQL without high availability (HA).
• B.Use Cloud SQL with cross-region replicas.
• C.Use Cloud Spanner in a regional configuration.
• D.Use high availability (HA) Cloud SQL with multiple zones.

You are designing a solution to implement a cache to track all the products which are browsed by users on an ecommerce website, using a key-value database. Your solution needs to have the ability to connect to the database from multiple VPC networks, while having a managed service, high throughput, low latency, strong security, and private communication. What should you do-

• A.Choose a Memorystore for Redis instance and Private Service Access for networking connectivity.
• B.Choose a Redis instance on a VM in the Shared VPC network.
• C.Choose Bigtable and connect using Private Google Access API endpoint(s).
• D.Choose Memorystore for Redis Cluster and Private Service Connect for networking connectivity.

You are designing a database architecture for a global application that stores information about public parks worldwide. The application uses the database for read-only purposes, and a centralized batch job updates the database nightly. You want to select an open source, SQL- compliant database. What should you do?

• A.Use Bigtable with multi-region clusters.
• B.Use Cloud SQL for PostgreSQL with cross-region replicas.
• C.Use Cloud Spanner with multi-region configuration.
• D.Use Memorystore for Redis with multi-zones within a region.

You manage a meeting booking application that uses Cloud SQL. During an important launch, the Cloud SQL instance went through a maintenance event that resulted in a downtime of more than
5 minutes and adversely affected your production application. You need to immediately address the maintenance issue to prevent any unplanned events in the future. What should you do?

• A.Use Cloud Scheduler to schedule a maintenance window of no longer than 5 minutes.
• B.Contact Support to understand why your Cloud SQL instance had a downtime of more than 5 minutes.
• C.Set your production instance's maintenance window to non-business hours.
• D.Migrate the Cloud SQL instance to Cloud Spanner to avoid any future disruptions due to maintenance.

Which approach delivers real time alerts for Cloud Spanner transaction failures and also reflects overall application health?

• A.Cloud Monitoring alerts on Spanner transaction failure metrics
• B.Error Reporting notifications
• C.Cloud Logging logs based metric with alerting