Professional-Cloud-Database-Engineer공부문제 - Professional-Cloud-Database-Engineer시험대비덤프데모문제다운

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Google Professional-Cloud-Database-Engineer Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Migrate data solutions	14%	- Validate and cut over migration 1. Data integrity verification 2. Cutover procedures - Implement migration and replication 1. Data replication methods 2. Migration tool selection 3. Schema conversion - Design migration strategies 1. Fall-back planning 2. Downtime requirements analysis
Topic 2: Manage a solution that spans multiple database technologies	25%	- Manage database operations and maintenance 1. Data lifecycle management 2. Index management 3. Updates and upgrades - Optimize cost and performance 1. Cost optimization 2. Scaling strategies 3. Automate operational tasks - Determine connectivity and access management 1. User authentication and authorization 2. IAM policies and permissions - Configure monitoring and troubleshooting 1. Query optimization 2. Performance monitoring 3. Troubleshoot common issues
Topic 3: Deploy scalable and highly available databases in Google Cloud	20%	- Configure monitoring and alerting 1. Performance dashboards 2. Health checks and alerts - Implement high availability solutions 1. Multi-region replication 2. Provision HA configurations 3. Read replicas deployment - Automate deployment and scaling 1. Infrastructure as Code 2. Auto-scaling setup
Topic 4: Design innovative, scalable, and highly available cloud database solutions	32%	- Analyze variables for capacity and usage planning 1. Solution sizing based on workload and requirements 2. Size compute and storage resources 3. Evaluate performance and cost tradeoffs - Design for security and compliance 1. Access control and IAM 2. Compliance requirements 3. Data encryption - Design for backup and recovery 1. Backup strategies 2. Data import/export planning 3. RTO and RPO design - Design for high availability and reliability 1. Replication strategies 2. High availability configurations 3. Disaster recovery planning

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최신 Google Cloud Certified Professional-Cloud-Database-Engineer 무료샘플문제 (Q12-Q17):

질문 # 12
You are migrating your on-premises PostgreSQL database to Spanner. You need to identify a solution for handling existing integer-based table primary keys. You want minimal changes to the applications while also following Google-recommended practices. What should you do-

A. Use a UUID function that generates UUID Version 4 values as primary keys.
B. Use application generated sequential integer values as primary keys.
C. Update default primary key values to max(primary_key) + 1.
D. Generate values by using BIT_REVERSED_POSITIVEsequences.

정답：D

설명：
Using Spanner's BIT_REVERSED_POSITIVE sequence function lets you keep your existing integer-typed keys while automatically scattering new key values across Spanner's key space, avoiding hotspotting. This approach requires minimal application changes (you still use integers) and follows Google's guidance for distributed primary keys in Spanner.

질문 # 13
Your company wants to migrate its MySQL, PostgreSQL, and Microsoft SQL Server on-premises databases to Google Cloud. You need a solution that provides near-zero downtime, requires no application changes, and supports change data capture (CDC). What should you do?

A. Create a database on Google Cloud, and use Dataflow for database migration.
B. Use the native export and import functionality of the source database.
C. Create a database on Google Cloud, and use database links to perform the migration.
D. Use Database Migration Service.

정답：D

질문 # 14
You have a large Cloud SQL for PostgreSQL instance. The database instance is not mission- critical, and you want to minimize operational costs. What should you do to lower the cost of backups in this environment?

A. Select a different region to store your backups.
B. Reduce the number of automated backups that are retained to two (2).
C. Change the storage tier of the automated backups from solid-state drive (SSD) to hard disk drive (HDD).
D. Set the automated backups to occur every other day to lower the frequency of backups.

정답：B

질문 # 15
Your company is migrating their MySQL database to Cloud SQL and cannot afford any planned downtime during the month of December. The company is also concerned with cost, so you need the most cost-effective solution. What should you do?

A. Create a MySQL regional instance so that, if any downtime occurs, the standby instance will act as the primary instance during the month of December.
B. Create MySQL read replicas in different zones so that, if any downtime occurs, the read replicas will act as the primary instance during the month of December.
C. Open a support ticket in Google Cloud to prevent any maintenance in that MySQL instance during the month of December.
D. Use Cloud SQL maintenance settings to prevent any maintenance during the month of December.

정답：D

설명：
https://cloud.google.com/sql/docs/mysql/maintenance?hl=fr

질문 # 16
You have deployed a Cloud SQL for SQL Server instance. In addition, you created a cross-region read replica for disaster recovery (DR) purposes. Your company requires you to maintain and monitor a recovery point objective (RPO) of less than 5 minutes. You need to verify that your cross-region read replica meets the allowed RPO. What should you do?

A. Use Cloud SQL logs.
B. Use the Cloud Monitoring dashboard with available metrics from Cloud SQL.
C. Use Cloud SQL instance monitoring.
D. Use the SQL Server Always On Availability Group dashboard.

정답：D

설명：
Note, you cannot create a read replica in Cloud SQL for SQL Server unless you use an Enterprise Edition.
Which is also a requirement for configuring SQL Server AG. That's not a coincidence. That's how Cloud SQL for SQL Server creates SQL Server read replicas. To find out about the replication, use the AG Dashboard in SSMS.https://cloud.google.com/sql/docs/sqlserver/replication/manage-replicas#promote-replica

질문 # 17
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