Summer Sale- Special Discount Limited Time 65% Offer - Ends in 0d 00h 00m 00s - Coupon code: netdisc

Google Professional-Cloud-Database-Engineer Google Cloud Certified - Professional Cloud Database Engineer Exam Practice Test

Page: 1 / 14
Total 141 questions

Google Cloud Certified - Professional Cloud Database Engineer Questions and Answers

Question 1

Your company is shutting down their on-premises data center and migrating their Oracle databases using Oracle Real Application Clusters (RAC) to Google Cloud. You want minimal to no changes to the applications during the database migration. What should you do?

Options:

A.

Migrate the Oracle databases to Cloud Spanner.

B.

Migrate the Oracle databases to Compute Engine.

C.

Migrate the Oracle databases to Cloud SQL.

D.

Migrate the Oracle databases to Bare Metal Solution for Oracle.

Question 2

You currently have a MySQL database running on Cloud SQL with a read replica in a different zone for non-mission critical analytics workloads. You want to enable high availability (HA) for the analytic workloads while keeping costs low. What should you do?

Options:

A.

Increase the size of the read replica Instance and enable MA.

B.

Enable HA on the current read replica.

C.

Create a new HA instance in the same zone db lie primary.

D.

Create a new MA Instance in a different region than the primary.

Question 3

Your company is using Cloud SQL for MySQL with an internal (private) IP address and wants to replicate some tables into BigQuery in near-real time for analytics and machine learning. You need to ensure that replication is fast and reliable and uses Google-managed services. What should you do?

Options:

A.

Develop a custom data replication service to send data into BigQuery.

B.

Use Cloud SQL federated queries.

C.

Use Database Migration Service to replicate tables into BigQuery.

D.

Use Datastream to capture changes, and use Dataflow to write those changes to BigQuery.

Question 4

You are choosing a new database backend for an existing application. The current database is running PostgreSQL on an on-premises VM and is managed by a database administrator and operations team. The application data is relational and has light traffic. You want to minimize costs and the migration effort for this application. What should you do?

Options:

A.

Migrate the existing database to Firestore.

B.

Migrate the existing database to Cloud SQL for PostgreSQL.

C.

Migrate the existing database to Cloud Spanner.

D.

Migrate the existing database to PostgreSQL running on Compute Engine.

Question 5

Your organization is running a MySQL workload in Cloud SQL. Suddenly you see a degradation in database performance. You need to identify the root cause of the performance degradation. What should you do?

Options:

A.

Use Logs Explorer to analyze log data.

B.

Use Cloud Monitoring to monitor CPU, memory, and storage utilization metrics.

C.

Use Error Reporting to count, analyze, and aggregate the data.

D.

Use Cloud Debugger to inspect the state of an application.

Question 6

Your company is migrating the existing infrastructure for a highly transactional application to Google Cloud. You have several databases in a MySQL database instance and need to decide how to transfer the data to Cloud SQL. You need to minimize the downtime for the migration of your 500 GB instance. What should you do?

Options:

A.

Create a Cloud SQL for MySQL instance for your databases, and configure Datastream to stream your database changes to Cloud SQL.

Select the Backfill historical data check box on your stream configuration to initiate Datastream to backfill any data that is out of sync between the source and destination.

Delete your stream when all changes are moved to Cloud SQL for MySQL, and update your application to use the new instance

B.

Create migration job using Database Migration Service.

Set the migration job type to Continuous, and allow the databases to complete the full dump phase and start sending data in change data capture (CDC) mode.

Wait for the replication delay to minimize, initiate a promotion of the new Cloud SQL instance, and wait for the migration job to complete.

Update your application connections to the new instance.

C.

Create migration job using Database Migration Service.

Set the migration job type to One-time, and perform this migration during a maintenance window.

Stop all write workloads to the source database and initiate the dump. Wait for the dump to be loaded into the Cloud SQL destination database and the destination database to be promoted to the primary database.

Update your application connections to the new instance.<

D.

Use the mysqldump utility to manually initiate a backup of MySQL during the application maintenance window.

Move the files to Cloud Storage, and import each database into your Cloud SQL instance.

Continue to dump each database until all the databases are migrated.

Update your application connections to the new instance.

Question 7

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?

Options:

A.

Use Bigtable with multi-region clusters.

B.

Use Memorystore for Redis with multi-zones within a region.

C.

Use Cloud SQL for PostgreSQL with cross-region replicas.

D.

Use Cloud Spanner with multi-region configuration.

Question 8

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?

Options:

A.

Perform a full backup of your on-premises PostgreSQL, and then, in the migration window, perform an incremental backup.

B.

Create a read replica on Cloud SQL, and then promote it to a read/write standalone instance.

C.

Use Database Migration Service to migrate your database.

D.

Create a hot standby on Compute Engine, and use PgBouncer to switch over the connections.

Question 9

Your team is building a new inventory management application that will require read and write database instances in multiple Google Cloud regions around the globe. Your database solution requires 99.99% availability and global transactional consistency. You need a fully managed backend relational database to store inventory changes. What should you do?

Options:

A.

Use Bigtable.

B.

Use Firestore.

C.

Use Cloud SQL for MySQL

D.

Use Cloud Spanner.

Question 10

During an internal audit, you realized that one of your Cloud SQL for MySQL instances does not have high availability (HA) enabled. You want to follow Google-recommended practices to enable HA on your existing instance. What should you do?

Options:

A.

Create a new Cloud SQL for MySQL instance, enable HA, and use the export and import option to migrate your data.

B.

Create a new Cloud SQL for MySQL instance, enable HA, and use Cloud Data Fusion to migrate your data.

C.

Use the gcloud instances patch command to update your existing Cloud SQL for MySQL instance.

D.

Shut down your existing Cloud SQL for MySQL instance, and enable HA.

Question 11

You recently launched a new product to the US market. You currently have two Bigtable clusters in one US region to serve all the traffic. Your marketing team is planning an immediate expansion to APAC. You need to roll out the regional expansion while implementing high availability according to Google-recommended practices. What should you do?

Options:

A.

Maintain a target of 23% CPU utilization by locating:

cluster-a in zone us-central1-a

cluster-b in zone europe-west1-d

cluster-c in zone asia-east1-b

B.

Maintain a target of 23% CPU utilization by locating:

cluster-a in zone us-central1-a

cluster-b in zone us-central1-b

cluster-c in zone us-east1-a

C.

Maintain a target of 35% CPU utilization by locating:

cluster-a in zone us-central1-a

cluster-b in zone australia-southeast1-a

cluster-c in zone europe-west1-d

cluster-d in zone asia-east1-b

D.

Maintain a target of 35% CPU utilization by locating:

cluster-a in zone us-central1-a

cluster-b in zone us-central2-a

cluster-c in zone asia-northeast1-b

cluster-d in zone asia-east1-b

Question 12

Your organization is running a low-latency reporting application on Microsoft SQL Server. In addition to the database engine, you are using SQL Server Analysis Services (SSAS), SQL Server Reporting Services (SSRS), and SQL Server Integration Services (SSIS) in your on-premises environment. You want to migrate your Microsoft SQL Server database instances to Google Cloud. You need to ensure minimal disruption to the existing architecture during migration. What should you do?

Options:

A.

Migrate to Cloud SQL for SQL Server.

B.

Migrate to Cloud SQL for PostgreSQL.

C.

Migrate to Compute Engine.

D.

Migrate to Google Kubernetes Engine (GKE).

Question 13

You are designing a payments processing application on Google Cloud. The application must continue to serve requests and avoid any user disruption if a regional failure occurs. You need to use AES-256 to encrypt data in the database, and you want to control where you store the encryption key. What should you do?

Options:

A.

Use Cloud Spanner with a customer-managed encryption key (CMEK).

B.

Use Cloud Spanner with default encryption.

C.

Use Cloud SQL with a customer-managed encryption key (CMEK).

D.

Use Bigtable with default encryption.

Question 14

You are choosing a database backend for a new application. The application will ingest data points from IoT sensors. You need to ensure that the application can scale up to millions of requests per second with sub-10ms latency and store up to 100 TB of history. What should you do?

Options:

A.

Use Cloud SQL with read replicas for throughput.

B.

Use Firestore, and rely on automatic serverless scaling.

C.

Use Memorystore for Memcached, and add nodes as necessary to achieve the required throughput.

D.

Use Bigtable, and add nodes as necessary to achieve the required throughput.

Question 15

Your project is using Bigtable to store data that should not be accessed from the public internet under any circumstances, even if the requestor has a valid service account key. You need to secure access to this data. What should you do?

Options:

A.

Use Identity and Access Management (IAM) for Bigtable access control.

B.

Use VPC Service Controls to create a trusted network for the Bigtable service.

C.

Use customer-managed encryption keys (CMEK).

D.

Use Google Cloud Armor to add IP addresses to an allowlist.

Question 16

Your ecommerce application connecting to your Cloud SQL for SQL Server is expected to have additional traffic due to the holiday weekend. You want to follow Google-recommended practices to set up alerts for CPU and memory metrics so you can be notified by text message at the first sign of potential issues. What should you do?

Options:

A.

Use a Cloud Function to pull CPU and memory metrics from your Cloud SQL instance and to call a custom service to send alerts.

B.

Use Error Reporting to monitor CPU and memory metrics and to configure SMS notification channels.

C.

Use Cloud Logging to set up a log sink for CPU and memory metrics and to configure a sink destination to send a message to Pub/Sub.

D.

Use Cloud Monitoring to set up an alerting policy for CPU and memory metrics and to configure SMS notification channels.

Question 17

Your customer is running a MySQL database on-premises with read replicas. The nightly incremental backups are expensive and add maintenance overhead. You want to follow Google-recommended practices to migrate the database to Google Cloud, and you need to ensure minimal downtime. What should you do?

Options:

A.

Create a Google Kubernetes Engine (GKE) cluster, install MySQL on the cluster, and then import the dump file.

B.

Use the mysqldump utility to take a backup of the existing on-premises database, and then import it into Cloud SQL.

C.

Create a Compute Engine VM, install MySQL on the VM, and then import the dump file.

D.

Create an external replica, and use Cloud SQL to synchronize the data to the replica.

Question 18

You are managing two different applications: Order Management and Sales Reporting. Both applications interact with the same Cloud SQL for MySQL database. The Order Management application reads and writes to the database 24/7, but the Sales Reporting application is read-only. Both applications need the latest data. You need to ensure that the Performance of the Order Management application is not affected by the Sales Reporting application. What should you do?

Options:

A.

Create a read replica for the Sales Reporting application.

B.

Create two separate databases in the instance, and perform dual writes from the Order Management application.

C.

Use a Cloud SQL federated query for the Sales Reporting application.

D.

Queue up all the requested reports in PubSub, and execute the reports at night.

Question 19

Your team is building an application that stores and analyzes streaming time series financial data. You need a database solution that can perform time series-based scans with sub-second latency. The solution must scale into the hundreds of terabytes and be able to write up to 10k records per second and read up to 200 MB per second. What should you do?

Options:

A.

Use Firestore.

B.

Use Bigtable

C.

Use BigQuery.

D.

Use Cloud Spanner.

Question 20

Your organization is migrating 50 TB Oracle databases to Bare Metal Solution for Oracle. Database backups must be available for quick restore. You also need to have backups available for 5 years. You need to design a cost-effective architecture that meets a recovery time objective (RTO) of 2 hours and recovery point objective (RPO) of 15 minutes. What should you do?

Options:

A.

Create the database on a Bare Metal Solution server with the database running on flash storage.

Keep a local backup copy on all flash storage.

Keep backups older than one day stored in Actifio OnVault storage.

B.

Create the database on a Bare Metal Solution server with the database running on flash storage.

Keep a local backup copy on standard storage.

Keep backups older than one day stored in Actifio OnVault storage.

C.

Create the database on a Bare Metal Solution server with the database running on flash storage.

Keep a local backup copy on standard storage.

Use the Oracle Recovery Manager (RMAN) backup utility to move backups older than one day to a Coldline Storage bucket.

D.

Create the database on a Bare Metal Solution server with the database running on flash storage.

Keep a local backup copy on all flash storage.

Use the Oracle Recovery Manager (RMAN) backup utility to move backups older than one day to an Archive Storage bucket.

Question 21

Your retail organization is preparing for the holiday season. Use of catalog services is increasing, and your DevOps team is supporting the Cloud SQL databases that power a microservices-based application. The DevOps team has added instrumentation through Sqlcommenter. You need to identify the root cause of why certain microservice calls are failing. What should you do?

Options:

A.

Watch Query Insights for long running queries.

B.

Watch the Cloud SQL instance monitor for CPU utilization metrics.

C.

Watch the Cloud SQL recommenders for overprovisioned instances.

D.

Watch Cloud Trace for application requests that are failing.

Question 22

You are managing a mission-critical Cloud SQL for PostgreSQL instance. Your application team is running important transactions on the database when another DBA starts an on-demand backup. You want to verify the status of the backup. What should you do?

Options:

A.

Check the cloudsql.googleapis.com/postgres.log instance log.

B.

Perform the gcloud sql operations list command.

C.

Use Cloud Audit Logs to verify the status.

D.

Use the Google Cloud Console.

Question 23

You support a consumer inventory application that runs on a multi-region instance of Cloud Spanner. A customer opened a support ticket to complain about slow response times. You notice a Cloud Monitoring alert about high CPU utilization. You want to follow Google-recommended practices to address the CPU performance issue. What should you do first?

Options:

A.

Increase the number of processing units.

B.

Modify the database schema, and add additional indexes.

C.

Shard data required by the application into multiple instances.

D.

Decrease the number of processing units.

Question 24

You want to migrate an on-premises mission-critical PostgreSQL database to Cloud SQL. The database must be able to withstand a zonal failure with less than five minutes of downtime and still not lose any transactions. You want to follow Google-recommended practices for the migration. What should you do?

Options:

A.

Take nightly snapshots of the primary database instance, and restore them in a secondary zone.

B.

Build a change data capture (CDC) pipeline to read transactions from the primary instance, and replicate them to a secondary instance.

C.

Create a read replica in another region, and promote the read replica if a failure occurs.

D.

Enable high availability (HA) for the database to make it regional.

Question 25

Your company is launching a new globally distributed application with strict requirements for low latency, strong consistency, zero downtime, and high availability (HA). You need to configure a scalable database solution to support anticipated rapid growth and optimal application performance. What should you do?

Options:

A.

Create a Cloud SQL instance in HA mode with a cross-region read replica.

B.

Create an AlloyDB instance in HA mode with a cross-region read replica.

C.

Create a spanner instance across regions for optimal performance.

D.

Implement Bigtable with replication across multiple regions and configure to prioritize data accuracy.

Question 26

You are a DBA of Cloud SQL for PostgreSQL. You want the applications to have password-less authentication for read and write access to the database. Which authentication mechanism should you use?

Options:

A.

Use Identity and Access Management (IAM) authentication.

B.

Use Managed Active Directory authentication.

C.

Use Cloud SQL federated queries.

D.

Use PostgreSQL database's built-in authentication.

Question 27

You are developing a new application on a VM that is on your corporate network. The application will use Java Database Connectivity (JDBC) to connect to Cloud SQL for PostgreSQL. Your Cloud SQL instance is configured with IP address 192.168.3.48, and SSL is disabled. You want to ensure that your application can access your database instance without requiring configuration changes to your database. What should you do?

Options:

A.

Define a connection string using your Google username and password to point to the external (public) IP address of your Cloud SQL instance.

B.

Define a connection string using a database username and password to point to the internal (private) IP address of your Cloud SQL instance.

C.

Define a connection string using Cloud SQL Auth proxy configured with a service account to point to the internal (private) IP address of your Cloud SQL instance.

D.

Define a connection string using Cloud SQL Auth proxy configured with a service account to point to the external (public) IP address of your Cloud SQL instance.

Question 28

You are the DBA of an online tutoring application that runs on a Cloud SQL for PostgreSQL database. You are testing the implementation of the cross-regional failover configuration. The database in region R1 fails over successfully to region R2, and the database becomes available for the application to process data. During testing, certain scenarios of the application work as expected in region R2, but a few scenarios fail with database errors. The application-related database queries, when executed in isolation from Cloud SQL for PostgreSQL in region R2, work as expected. The applicationperforms completely as expected when the database fails back to region R1. You need to identify the cause of the database errors in region R2. What should you do?

Options:

A.

Determine whether the versions of Cloud SQL for PostgreSQL in regions R1 and R2 are different.

B.

Determine whether the database patches of Cloud SQI for PostgreSQL in regions R1 and R2 are different.

C.

Determine whether the failover of Cloud SQL for PostgreSQL from region R1 to region R2 is in progress or has completed successfully.

D.

Determine whether Cloud SQL for PostgreSQL in region R2 is a near-real-time copy of region R1 but not an exact copy.

Question 29

You are migrating critical production database from Amazon RDS for MySQL to Cloud SQL for MYSQL by using Google Cloud’s Migration Service.

You want to keep disruption to your production database to minimum and, at the same time, optimize migration performance. What should you do?

Options:

A.

Create and start multiple Database Migration Service jobs to migrate your database to the target Cloud SQL for MySQL instance.

B.

Upgrade the Amazon RDS for MySQL primary instance to an instance with more vCPUs and memory, and then run Google Cloud's Database Migration Service.

C.

Create a single Database Migration Service migration job with initial load parallelism configured to maximum on the source Amazon RDS for MySQL read replica.

D.

Create a single Database Migration Service migration job with initial Load Parallelism configured to Maximum on the Amazon RDS for MySQL primary instance.

Question 30

You are designing a highly available (HA) Cloud SQL for PostgreSQL instance that will be used by 100 databases. Each database contains 80 tables that were migrated from your on-premises environment to Google Cloud. The applications that use these databases are located in multiple regions in the US, and you need to ensure that read and write operations have low latency. What should you do?

Options:

A.

Deploy 2 Cloud SQL instances in the us-central1 region with HA enabled, and create read replicas in us-east1 and us-west1.

B.

Deploy 2 Cloud SQL instances in the us-central1 region, and create read replicas in us-east1 and us-west1.

C.

Deploy 4 Cloud SQL instances in the us-central1 region with HA enabled, and create read replicas in us-central1, us-east1, and us-west1.

D.

Deploy 4 Cloud SQL instances in the us-central1 region, and create read replicas in us-central1, us-east1 and us-west1.

Question 31

You are running a transactional application on Cloud SQL for PostgreSQL in Google Cloud. The database is running in a high availability configuration within one region. You have encountered issues with data and want to restore to the last known pristine version of the database. What should you do?

Options:

A.

Create a clone database from a read replica database, and restore the clone in the same region.

B.

Create a clone database from a read replica database, and restore the clone into a different zone.

C.

Use the Cloud SQL point-in-time recovery (PITR) feature. Restore the copy from two hours ago to a new database instance.

D.

Use the Cloud SQL database import feature. Import last week's dump file from Cloud Storage.

Question 32

Your company has PostgreSQL databases on-premises and on Amazon Web Services (AWS). You are planning multiple database migrations to Cloud SQL in an effort to reduce costs and downtime. You want to follow Google-recommended practices anduse Google native data migration tools. You also want to closely monitor the migrations as part of the cutover strategy. What should you do?

Options:

A.

Use Database Migration Service to migrate all databases to Cloud SQL.

B.

Use Database Migration Service for one-time migrations, and use third-party or partner tools for change data capture (CDC) style migrations.

C.

Use data replication tools and CDC tools to enable migration.

D.

Use a combination of Database Migration Service and partner tools to support the data migration strategy.

Question 33

You are setting up a Bare Metal Solution environment. You need to update the operating system to the latest version. You need to connect the Bare Metal Solution environment to the internet so you can receive software updates. What should you do?

Options:

A.

Setup a static external IP address in your VPC network.

B.

Set up bring your own IP (BYOIP) in your VPC.

C.

Set up a Cloud NAT gateway on the Compute Engine VM.

D.

Set up Cloud NAT service.

Question 34

You are writing an application that will run on Cloud Run and require a database running in the Cloud SQL managed service. You want to secure this instance so that it only receives connections from applications running in your VPC environment in Google Cloud. What should you do?

Options:

A.

1. Create your instance with a specified external (public) IP address.

2. Choose the VPC and create firewall rules to allow only connections from Cloud Run into your instance.

3. Use Cloud SQL Auth proxy to connect to the instance.

B.

1. Create your instance with a specified external (public) IP address.

2. Choose the VPC and create firewall rules to allow only connections from Cloud Run into your instance.

3. Connect to the instance using a connection pool to best manage connections to the instance.

C.

1. Create your instance with a specified internal (private) IP address.

2. Choose the VPC with private service connection configured.

3. Configure the Serverless VPC Access connector in the same VPC network as your Cloud SQL instance.

4. Use Cloud SQL Auth proxy to connect to the instance.

D.

1. Create your instance with a specified internal (private) IP address.

2. Choose the VPC with private service connection configured.

3. Configure the Serverless VPC Access connector in the same VPC network as your Cloud SQL instance.

4. Connect to the instance using a connection pool to best manage connections to the instance.

Question 35

Your organization works with sensitive data that requires you to manage your own encryption keys. You are working on a project that stores that data in a Cloud SQLdatabase. You need to ensure that stored data is encrypted with your keys. What should you do?

Options:

A.

Export data periodically to a Cloud Storage bucket protected by Customer-Supplied Encryption Keys.

B.

Use Cloud SQL Auth proxy.

C.

Connect to Cloud SQL using a connection that has SSL encryption.

D.

Use customer-managed encryption keys with Cloud SQL.

Question 36

Your company wants you to migrate their Oracle, MySQL, Microsoft SQL Server, and PostgreSQL relational databases to Google Cloud. You need a fully managed, flexible database solution when possible. What should you do?

Options:

A.

Migrate all the databases to Cloud SQL.

B.

Migrate the Oracle, MySQL, and Microsoft SQL Server databases to Cloud SQL, and migrate the PostgreSQL databases to Compute Engine.

C.

Migrate the MySQL, Microsoft SQL Server, and PostgreSQL databases to Compute Engine, and migrate the Oracle databases to Bare Metal Solution for Oracle.

D.

Migrate the MySQL, Microsoft SQL Server, and PostgreSQL databases to Cloud SQL, and migrate the Oracle databases to Bare Metal Solution for Oracle.

Question 37

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.

Question 38

You are migrating an on-premises application to Compute Engine and Cloud SQL. The application VMs will live in their own project, separate from the Cloud SQL instances which have their own project. What should you do to configure the networks?

Options:

A.

Create a new VPC network in each project, and use VPC Network Peering to connect the two together.

B.

Create a Shared VPC that both the application VMs and Cloud SQL instances will use.

C.

Use the default networks, and leverage Cloud VPN to connect the two together.

D.

Place both the application VMs and the Cloud SQL instances in the default network of each project.

Question 39

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

Options:

A.

Use Cloud SQL with cross-region replicas.

B.

Use high availability (HA) Cloud SQL with multiple zones.

C.

Use zonal Cloud SQL without high availability (HA).

D.

Use Cloud Spanner in a regional configuration.

Question 40

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?

Options:

A.

Configure the automated backups to use a regional Cloud Storage bucket as a custom location.

B.

Use the default configuration for the automated backups location.

C.

Disable automated backups, and create an on-demand backup routine to a regional Cloud Storage bucket.

D.

Disable automated backups, and configure serverless exports to a regional Cloud Storage bucket.

Question 41

Your team recently released a new version of a highly consumed application to accommodate additional user traffic. Shortly after the release, you received an alert from your production monitoring team that there is consistently high replication lag between your primary instance and the read replicas of your Cloud SQL for MySQL instances. You need to resolve the replication lag. What should you do?

Options:

A.

Identify and optimize slow running queries, or set parallel replication flags.

B.

Stop all running queries, and re-create the replicas.

C.

Edit the primary instance to upgrade to a larger disk, and increase vCPU count.

D.

Edit the primary instance to add additional memory.

Question 42

You are working on a new centralized inventory management system to track items available in 200 stores, which each have 500 GB of data. You are planning a gradual rollout of the system to a few stores each week. You need to design an SQL database architecture that minimizes costs and user disruption during each regional rollout and can scale up or down on nights and holidays. What should you do?

Options:

A.

Use Oracle Real Application Cluster (RAC) databases on Bare Metal Solution for Oracle.

B.

Use sharded Cloud SQL instances with one or more stores per database instance.

C.

Use a Biglable cluster with autoscaling.

D.

Use Cloud Spanner with a custom autoscaling solution.

Page: 1 / 14
Total 141 questions