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Google Professional-Cloud-Database-Engineer考試旨在測試設計、開發和管理Google Cloud平台上可擴展且高度可用的數據庫所需的技能和知識。該認證對於負責管理數據庫解決方案、創建和管理數據庫、確保數據安全與合規性並優化數據庫性能的個人非常理想。
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最新的 Google Cloud Certified Professional-Cloud-Database-Engineer 免費考試真題 (Q135-Q140):
問題 #135
You are managing a set of Cloud SQL databases in Google Cloud. Regulations require that database backups reside in the region where the database is created. You want to minimize operational costs and administrative effort. What should you do?
- A. Disable automated backups, and create an on-demand backup routine to a regional Cloud Storage bucket.
- B. Use the default configuration for the automated backups location.
- C. Configure the automated backups to use a regional Cloud Storage bucket as a custom location.
- D. Disable automated backups, and configure serverless exports to a regional Cloud Storage bucket.
答案：C
解題說明：
https://cloud.google.com/sql/docs/mysql/backup-recovery/backing-up#locationbackups You can use a custom location for on-demand and automatic backups. For a complete list of valid location values, see the Instance locations.
問題 #136
You plan to use Database Migration Service to migrate data from a PostgreSQL on-premises instance to Cloud SQL. You need to identify the prerequisites for creating and automating the task. What should you do? (Choose two.)
- A. Ensure that pglogical is installed on the source PostgreSQL database.
- B. Disable all foreign key constraints on the source PostgreSQL database.
- C. Shut down the database before the Data Migration Service task is started.
- D. Ensure that all PostgreSQL tables have a primary key.
- E. Drop or disable all users except database administration users.
答案：A,B
問題 #137
You are managing a Cloud SQL for MySQL environment in Google Cloud. You have deployed a primary instance in Zone A and a read replica instance in Zone B, both in the same region. You are notified that the replica instance in Zone B was unavailable for 10 minutes. You need to ensure that the read replica instance is still working. What should you do?
- A. Start the original primary instance and resume replication.
- B. Use the Google Cloud Console or gcloud CLI to manually create a new failover replica from backup.
- C. Verify that the new replica is created automatically.
- D. Use the Google Cloud Console or gcloud CLI to manually create a new clone database.
答案：C
解題說明：
Recovery Process: Once Zone-B becomes available again, Cloud SQL will initiate the recovery process for the impacted read replica. The recovery process involves the following steps: 1. Synchronization: Cloud SQL will compare the data in the recovered read replica with the primary instance in Zone-A. If there is any data divergence due to the unavailability period, Cloud SQL will synchronize the read replica with the primary instance to ensure data consistency. 2. Catch-up Replication: The recovered read replica will start catching up on the changes that occurred on the primary instance during its unavailability. It will apply the necessary updates from the primary instance's binary logs (binlogs) to bring the replica up to date. 3. Resuming Read Traffic: Once the synchronization and catch-up replication processes are complete, the read replica in Zone-B will resume its normal operation. It will be able to serve read traffic and stay updated with subsequent changes from the primary instance.
問題 #138
You want to migrate your on-premises PostgreSQL database to Compute Engine. You need to migrate this database with the minimum downtime possible. What should you do?
- A. Perform a full backup of your on-premises PostgreSQL, and then, in the migration window, perform an incremental backup.
- B. Use Database Migration Service to migrate your database.
- C. Create a read replica on Cloud SQL, and then promote it to a read/write standalone instance.
- D. Create a hot standby on Compute Engine, and use PgBouncer to switch over the connections.
答案：C
問題 #139
Your company is developing a global ecommerce website on Google Cloud. Your development team is working on a shopping cart service that is durable and elastically scalable with live traffic. Business disruptions from unplanned downtime are expected to be less than 5 minutes per month. In addition, the application needs to have very low latency writes. You need a data storage solution that has high write throughput and provides 99.99% uptime. What should you do?
- A. Use Cloud Spanner for data storage.
- B. Use Memorystore for data storage.
- C. Use Bigtable for data storage.
- D. Use Cloud SQL for data storage.
答案：A
解題說明：
google Cloud Spanner is a highly scalable, reliable, and fully managed relational database service that runs on Google's infrastructure. It's designed to handle large amounts of data and provide high availability, even in the face of failures. Spanner can be used to store and manage data for a variety of applications, including e-commerce websites. Spanner is a good choice for this scenario because it can handle high write throughput and provides 99.99% uptime. It's also a good fit for applications that need to be highly available, even in the face of failures.
問題 #140
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Professional-Cloud-Database-Engineer考試題庫: https://www.kaoguti.com/Professional-Cloud-Database-Engineer_exam-pdf.html
