Question 1

You are configuring a new application that has access to an existing Cloud Spanner database. The new application reads from this database to gather statistics for a dashboard. You want to follow Googlerecommended practices when granting Identity and Access Management (IAM) permissions. What should you do?

Options :

A : Reuse the existing service account that populates this database.

B : Create a new service account, and grant it the Cloud Spanner Database Admin role.

C : Create a new service account, and grant it the Cloud Spanner Database Reader role.

D : Create a new service account, and grant it the spanner.databases.select permission.

Answer: C

Question 2

Your company is developing a new global transactional application that must be ACID-compliant and have 99.999% availability. You are responsible for selecting the appropriate Google Cloud database to serve as a datastore for this new application. What should you do?

Options :

A : Use Firestore.

B : Use Cloud Spanner.

C : Use Cloud SQL.

D : Use Bigtable.

Answer: B

Question 3

Your organization has a production Cloud SQL for MySQL instance. Your instance is configured with 16 vCPUs and 104 GB of RAM that is running between 90% and 100% CPU utilization for most of the day. You need to scale up the database and add vCPUs with minimal interruption and effort. What should you do?

Options :

A : Issue a gcloud sql instances patch command to increase the number of vCPUs.

B : Update a MySQL database flag to increase the number of vCPUs.

C : Issue a gcloud compute instances update command to increase the number of vCPUs.

D : Back up the database, create an instance with additional vCPUs, and restore the database.

Answer: A

Question 4

Your company is shutting down their data center and migrating several MySQL and PostgreSQL databases to Google Cloud. Your database operations team is severely constrained by ongoing production releases and the lack of capacity for additional on-premises backups. You want to ensure that the scheduled migrations happen with minimal downtime and that the Google Cloud databases stay in sync with the on-premises data changes until the applications can cut over. What should you do? (Choose two.)

Options :

A : Use an external read replica to migrate the databases to Cloud SQL.

B : Use a read replica to migrate the databases to Cloud SQL.

C : Use Database Migration Service to migrate the databases to Cloud SQL.

D : Use a cross-region read replica to migrate the databases to Cloud SQL.

E : Use replication from an external server to migrate the databases to Cloud SQL.

Answer: C,E

Question 5

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?

Options :

A : Use replication to roll out changes to higher environments.

B : Use backup and restore to roll out changes to higher environments.

C : Use Liquibase to roll out changes to higher environments.

D : Manually capture detailed DBA audit logs when changes are rolled out to higher environments.

Answer: C

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