Google Professional-Cloud-Database-Engineer: Google Cloud Certified - Professional Cloud Database Engineer braindumps PDF & Testking echter Test

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

Section	Objectives
Ensure reliability, performance, and optimization	- Security and compliance 1. Encryption at rest and in transit 2. IAM roles and access control - Performance optimization 1. Indexing, query optimization, and caching strategies 2. Workload tuning across database services
Design scalable and highly available database solutions	- Design for high availability and disaster recovery 1. Regional vs multi-regional architectures 2. Replication strategies and failover design - Select appropriate database services (relational, NoSQL, analytical) 1. Bigtable use cases and schema design 2. Firestore and document database patterns 3. Cloud SQL vs AlloyDB vs Spanner selection criteria
Manage a database solution spanning multiple systems	- Operational database management 1. Monitoring and performance tuning 2. Capacity planning and scaling 3. Backup and restore strategies
Migrate data solutions to Google Cloud	- Database migration strategies 1. Online vs offline migration tools (e.g., Database Migration Service) 2. Lift-and-shift vs re-platforming

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Google Cloud Certified - Professional Cloud Database Engineer Professional-Cloud-Database-Engineer Prüfungsfragen mit Lösungen (Q23-Q28):

23. Frage
Your organization operates in a highly regulated industry. Separation of concerns (SoC) and security principle of least privilege (PoLP) are critical. The operations team consists of:
Person A is a database administrator.
Person B is an analyst who generates metric reports.
Application C is responsible for automatic backups.
You need to assign roles to team members for Cloud Spanner. Which roles should you assign?

A. roles/spanner.databaseAdmin for Person A
roles/spanner.databaseUser for Person B
roles/spanner databaseReader for Application C
B. roles/spanner.databaseAdmin for Person A
roles/spanner.databaseUser for Person B
roles/spanner.backupWriter for Application C
C. roles/spanner.databaseAdmin for Person A
roles/spanner.databaseReader for Person B
roles/spanner.backupWriter for Application C
D. roles/spanner.databaseAdmin for Person A
roles/spanner.databaseReader for Person B
roles/spanner.backupAdmin for Application C

Antwort: D

24. Frage
Your online delivery business that primarily serves retail customers uses Cloud SQL for MySQL for its inventory and scheduling application. The required recovery time objective (RTO) and recovery point objective (RPO) must be in minutes rather than hours as a part of your high availability and disaster recovery design. You need a high availability configuration that can recover without data loss during a zonal or a regional failure. What should you do?

A. Set up read replicas in different zones of the same region as the primary instance with asynchronous replication, and set up read replicas in different regions with synchronous replication.
B. Set up read replicas in different zones of the same region as the primary instance with synchronous replication, and set up read replicas in different regions with asynchronous replication.
C. Set up all read replicas in a different region using asynchronous replication.
D. Set up all read replicas in the same region as the primary instance with synchronous replication.

Antwort: B

Begründung:
This answer meets the RTO and RPO requirements by using synchronous replication within the same region, which ensures that all writes made to the primary instance are replicated to disks in both zones before a transaction is reported as committed1. This minimizes data loss and downtime in case of a zonal or an instance failure, and allows for a quick failover to the standby instance1.
This answer also meets the high availability and disaster recovery requirements by using asynchronous replication across different regions, which ensures that the data changes made to the primary instance are replicated to the read replicas in other regions with minimal delay2. This provides additional redundancy and backup in case of a regional failure, and allows for a manual failover to the read replica in another region2.

25. Frage
You have a regional Spanner instance with no autoscaler that is serving a production workload.
You observed a surge in write activities to the database during an ongoing promotional event.
You received an alert that the database is close to the storage limit. Based on the storage utilization trend, the database will run out of storage in the next few hours. You want to resolve this issue as soon as possible. What should you do-

A. Increase the compute capacity of the Spanner instance.
B. Create a custom instance configuration and add a custom read-only replica to the Spanner instance.
C. Archive and delete historical data from the database.
D. Move the Spanner instance to a multi-regional configuration.

Antwort: C

Begründung:
To immediately relieve the storage pressure, you should archive and remove obsolete or historical data. This reclaims space right away so your instance can continue handling writes without interruption.

26. Frage
You run a 24x7 online travel agency using Spanner. Your company provides services to book hotels, flights, and local attractions which are fulfilled by your partners. You need to enable your partners to access their respective booking data for reconciliation and analysis in real time. You need a solution that provides your partners secure access, the ability to run ad hoc SQL read queries with minimal to no disruption to your existing reservation platform. You want to keep costs to a minimum.
What should you do?

A. Batch export each partner's data as a CSV file into separate Cloud Storage buckets.
B. Create a view on Spanner for each partner, and grant each partner IAM access on their view.
C. Create a view for each partner by using federated queries in BigQuery, and grant each partner IAM access on their view.
D. Use a change stream to replicate data into BigQuery for ad hoc reporting needs.

Antwort: B

Begründung:
Creating partner-specific views directly in Spanner and granting IAM access to those views provides secure, real-time, read-only SQL access with no impact on the operational workload, no data duplication, and minimal cost, while supporting ad hoc queries without disrupting the reservation platform.

27. Frage
Your organization has strict policies on tracking rollouts to production and periodically shares this information with external auditors to meet compliance requirements. You need to enable auditing on several Cloud Spanner databases. What should you do?

A. Use Liquibase to roll out changes to higher environments.
B. Use backup and restore to roll out changes to higher environments.
C. Use replication to roll out changes to higher environments.
D. Manually capture detailed DBA audit logs when changes are rolled out to higher environments.

Antwort: A

Begründung:
To satisfy audit reporting you would need a way to record what was changed and when. The best answer is one which uses some kind of source code control system (SCCS). That rules out A and B. Any mention of anything manual in a cloud environment should look suspicious, which leave option C. As it happens, Liquibase is an SCCS and can be integrated with Spanner. https://cloud.google.com/spanner/docs/use-liquibase

28. Frage
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