Question

A company runs a Database on Amazon Aurora in the us-east-1 Region. The company has a disaster recovery requirement that the database be available in another Region.

Which solution meets this requirement with minimal disruption to the database operations?

A. Perform an Aurora Multi-AZ deployment.
B. Deploy Aurora cross-Region read replicas.
C. Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region.
D. Deploy Aurora Replicas.

Answer

B. Deploy Aurora cross-Region read replicas.

Explanation 1

Question: A company runs a database on Amazon Aurora in the us-east-1 Region. The company has a disaster recovery requirement that the database be available in another Region. Which solution meets this requirement with minimal disruption to the database operations?

Option B. Deploy Aurora cross-Region read replicas.

Explanation: Among the given options, the best way to meet the requirement of having the database available in another Region with minimal disruption to the database operations is to deploy Aurora cross-Region read replicas.

Amazon Aurora allows you to create cross-Region read replicas of your database. These are essentially copies of your database in a different AWS Region. The data replication from the primary Region to the secondary Region happens asynchronously with minimal impact on the performance of the primary database. In the event of a disaster, you can promote one of these replicas to become the standalone primary database, ensuring continuity of operations.

Option A. Aurora Multi-AZ deployment is great for failover support within the same Region but it doesn’t cater to a disaster recovery in a different Region.

Option C. Creating Amazon EBS volume snapshots for Aurora and copying them to another Region is a possibility, but it can cause a significant delay in getting your database up and running in the event of a disaster.

Option D. Aurora Replicas are read-only copies of your database and serve a different purpose. They are typically used to offload read traffic from your primary database and they exist within the same Region as the primary database.

So, Deploying Aurora cross-Region read replicas is the best choice as it not only meets the disaster recovery requirement, but does so with minimal disruption to ongoing database operations.

Explanation 2

The correct answer is B. Deploy Aurora cross-Region read replicas.

Aurora cross-Region read replicas are a fully managed, asynchronous replication solution that allows you to create a replica of your Aurora database in a different AWS Region. This provides a low-cost and highly available disaster recovery solution with minimal disruption to database operations.

The other options are not as good solutions for this requirement.

Option A: Perform an Aurora Multi-AZ deployment. This is a good solution for disaster recovery, but it does not meet the requirement of having the database available in another Region. With an Aurora Multi-AZ deployment, the replica is in the same Region as the primary database.

Option C: Create Amazon EBS volume snapshots for Aurora and copy them to another Region. This is a manual process that can be time-consuming and disruptive to database operations.

Option D: Deploy Aurora Replicas. Aurora Replicas are synchronous replicas that are created in the same AWS Region as the primary database. This does not meet the requirement of having the database available in another Region.

Explanation 3

The correct answer is B. Deploy Aurora cross-Region read replicas. This solution allows the company to create a read-only copy of the Aurora database cluster in another Region, which can be used for disaster recovery purposes. The cross-Region read replica replicates the data changes from the primary cluster using physical replication, which minimizes the replication lag and the impact on the database performance. The cross-Region read replica can also be promoted to a standalone cluster in case of a regional failure of the primary cluster. This solution provides high availability and durability for the database across Regions.

Option A is incorrect because an Aurora Multi-AZ deployment only provides high availability within a single Region, not across Regions. An Aurora Multi-AZ deployment consists of a primary instance and one or more secondary instances that are synchronously replicated within the same Region. If the primary instance fails, Aurora automatically fails over to one of the secondary instances without any data loss.

Option C is incorrect because creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region is not a feasible solution for disaster recovery. Aurora does not use EBS volumes to store its data, but rather uses a cluster volume that spans multiple Availability Zones and is composed of multiple segments, each with 10 GB of capacity. Aurora automatically backs up its data to Amazon Simple Storage Service (Amazon S3) and allows restoring from point-in-time snapshots or backups. However, this process can take a long time and cause significant downtime for the database operations.

Option D is incorrect because deploying Aurora Replicas only provides scalability and fault tolerance within a single Region, not across Regions. Aurora Replicas are read-only copies of the primary instance that share the same underlying storage. They can be used to offload read traffic from the primary instance and provide failover support in case of a primary instance failure. However, they do not replicate the data to another Region and cannot be used for disaster recovery purposes.

Explanation 4

The correct answer is:

B. Deploy Aurora cross-Region read replicas.

Explanation:

A. Performing an Aurora Multi-AZ deployment is a good practice for high availability within the same AWS Region, but it does not fulfill the disaster recovery requirement of having the database available in another Region. Multi-AZ deployments only replicate data within the same Region for failover purposes.

B. Deploying Aurora cross-Region read replicas is the best solution for meeting the disaster recovery requirement with minimal disruption. Cross-Region read replicas replicate data from the primary Aurora database to a read replica in a different AWS Region. This setup provides both disaster recovery and the ability to offload read traffic to the replica. In the event of a Region-wide failure or disaster in us-east-1, the cross-Region read replica in another Region (e.g., us-west-1) can be promoted to become the new primary database with minimal disruption to database operations.

C. Creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region is not a recommended solution for disaster recovery in Aurora. While you can create EBS snapshots for data backup purposes, restoring a database from snapshots to another Region would involve more manual effort and downtime compared to using cross-Region read replicas.

D. Deploying Aurora Replicas is another option for improving database availability within the same Region, but it does not provide cross-Region disaster recovery capabilities. Aurora Replicas are read-only copies of the primary database within the same Region, primarily used for scaling read workloads.

In summary, option B, deploying Aurora cross-Region read replicas, is the most suitable solution for meeting the disaster recovery requirement with minimal disruption to database operations.

Explanation 5

The best solution to meet this requirement with minimal disruption to the database operations would be option B: Deploy Aurora cross-Region read replicas. This allows the database to be available in another region and provides disaster recovery capabilities.

Deploying Aurora cross-Region read replicas is an excellent solution for a company with a disaster recovery requirement for several reasons:

• Data Redundancy: Cross-Region read replicas provide data redundancy by replicating your database in another region. This means if a disaster occurs in the primary region, the data is still safe and accessible in the secondary region.
• Improved Disaster Recovery: In case of a regional outage, you can promote a read replica in another region to become the standalone DB instance. This ensures business continuity with minimal downtime.
• Reduced Latency: If your company has users accessing the database from different geographical locations, having a read replica in a region closer to those users can significantly reduce latency, providing a better user experience.
• Load Balancing: Read traffic can be distributed across multiple read replicas in different regions to balance the load and prevent any single instance from being overwhelmed.
• Easy Setup: Amazon Aurora makes it easy to set up and manage cross-Region read replicas, reducing the operational burden on your team.

Remember, while this solution provides many benefits, it’s important to consider the costs associated with data transfer between regions and the additional storage costs for the read replicas.

Explanation 6

The solution that meets the company’s disaster recovery requirement with minimal disruption to the database operations is option B: Deploy Aurora cross-Region read replicas.

Explanation:
Option A, performing an Aurora Multi-AZ deployment, provides high availability within the same AWS Region but does not meet the requirement of having the database available in another Region. Multi-AZ deployments replicate the database within the same Region to provide automatic failover in case of a database instance failure.

Option C, creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region, is not the most efficient solution for disaster recovery. While EBS snapshots can be used for backup and recovery purposes, copying them to another Region would involve manual steps and potentially longer recovery times.

Option D, deploying Aurora Replicas, provides read scalability and high availability within the same Region but does not meet the requirement of having the database available in another Region. Aurora Replicas are additional copies of the primary database that can be used for read scaling and failover within the same Region.

Option B, deploying Aurora cross-Region read replicas, is the recommended solution for meeting the disaster recovery requirement. Aurora cross-Region read replicas allow you to create a replica of the primary database in a different AWS Region. These replicas are continuously updated with changes from the primary database, providing a near real-time copy of the data. In the event of a disaster or Region-wide outage, the cross-Region read replica can be promoted to become the new primary database, minimizing downtime and disruption to the database operations.

Therefore, option B is the correct choice for meeting the disaster recovery requirement with minimal disruption to the database operations.

Explanation 7

The correct answer is B. Deploy Aurora cross-Region read replicas.

The explanation is as follows:

Option A is incorrect because performing an Aurora Multi-AZ deployment does not meet the disaster recovery requirement of having the database available in another Region. A Multi-AZ deployment provides high availability and fault tolerance within a single Region, by replicating the database across multiple Availability Zones. However, it does not protect against a Region-wide outage or failure.

Option B is correct because deploying Aurora cross-Region read replicas meets the disaster recovery requirement of having the database available in another Region. A cross-Region read replica is a copy of the Aurora database that is located in a different Region, and is continuously updated with changes from the source database. In the event of a disaster, the cross-Region read replica can be promoted to a standalone database and used for read and write operations.

Option C is incorrect because creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region does not meet the disaster recovery requirement of having the database available in another Region with minimal disruption to the database operations. Amazon EBS volume snapshots are point-in-time backups of the data stored on Amazon EBS volumes, which can be copied to another Region for disaster recovery purposes. However, restoring an Aurora database from an Amazon EBS snapshot requires creating a new Aurora cluster and importing the data, which can take a long time and cause downtime.

Option D is incorrect because deploying Aurora Replicas does not meet the disaster recovery requirement of having the database available in another Region. Aurora Replicas are copies of the Aurora database that are located in the same Region, and are used for scaling read capacity and improving availability. However, they do not provide cross-Region replication or failover capabilities.

Explanation 8

The correct answer is B. Deploy Aurora cross-Region read replicas.

A brief explanation is as follows:

• Option A is incorrect because an Aurora Multi-AZ deployment only provides high availability within a single Region, not across Regions. A Multi-AZ deployment consists of a primary instance and a standby instance in different Availability Zones. The standby instance is used for failover in case of a primary instance failure or a planned maintenance.
• Option B is correct because Aurora cross-Region read replicas allow you to create a read replica of an Aurora cluster in another Region. This solution meets the disaster recovery requirement by providing a copy of the database in a different Region that can be promoted to be the master in case of a regional disruption. Cross-Region read replicas also enable you to scale out reads and migrate data across Regions.
• Option C is incorrect because Amazon EBS volume snapshots are not applicable for Aurora, which uses its own cluster volume that spans multiple Availability Zones and is replicated six ways across three Availability Zones. Aurora provides its own snapshot mechanism that can be used to create a copy of a cluster in another Region, but this is not the same as creating a cross-Region read replica.
• Option D is incorrect because Aurora Replicas are read-only copies of the primary instance within the same Region. They can be used to scale out read operations and provide high availability, but they do not provide disaster recovery across Regions.

Explanation 9

The correct answer is B. Deploy Aurora cross-Region read replicas.

Aurora cross-Region read replicas are a fully managed replication solution that allows you to create a replica of your Aurora database in another AWS Region. This provides you with a disaster recovery solution that can be activated with minimal disruption to your database operations.

The other options are not as good solutions for this requirement.

Option A: Perform an Aurora Multi-AZ deployment. An Aurora Multi-AZ deployment creates a replica of your database in the same Region. This can provide some protection against a failure in a single Availability Zone, but it does not provide a disaster recovery solution for a failure in the entire Region.

Option C: Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region. This is a manual process that can be time-consuming and disruptive to your database operations. It also does not provide a real-time replica of your database.

Option D: Deploy Aurora Replicas. Aurora Replicas are read-only copies of your Aurora database that are created in the same Region. They are not a good solution for disaster recovery, as they are not available in a different Region.

Explanation 10

The correct answer is B. Deploy Aurora cross-Region read replicas. This solution meets the disaster recovery requirement by creating a copy of the Aurora database in another Region that can be used for read operations or promoted to a primary instance in case of a failure. Aurora cross-Region read replicas use MySQL binary replication to replay changes on the replica cluster. The other options are not suitable because:

• A. Perform an Aurora Multi-AZ deployment. This solution provides high availability within a single Region, but not across Regions.
• C. Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region. This solution is not applicable because Aurora does not use EBS volumes for storage, but rather its own distributed storage system.
• D. Deploy Aurora Replicas. This solution creates read replicas within the same Region as the primary instance, but not across Regions.

Explanation 11

The correct answer is B. Deploy Aurora cross-Region read replicas.

A cross-Region read replica is a copy of an Aurora DB cluster in another AWS Region. It allows you to support cross-Region disaster recovery and scale out reads. You can create up to five cross-Region read replicas for each source DB cluster. To create a cross-Region read replica, you need to enable binary logging on the source DB cluster and then specify the target Region and other parameters.

A Multi-AZ deployment is a configuration that provides high availability and failover support for a DB instance within a single Region. It does not provide cross-Region disaster recovery.

Amazon EBS volume snapshots are not applicable for Aurora, because Aurora uses its own cluster volume that spans multiple Availability Zones and is replicated six ways. You can create snapshots of an Aurora DB cluster, but copying them to another Region would not provide continuous replication and would incur more downtime in case of a disaster.

Aurora Replicas are copies of the primary DB instance within the same Region and the same DB cluster. They share the same underlying storage as the primary DB instance and can be used to scale out read operations or provide failover support. They do not provide cross-Region disaster recovery.

Explanation 12

The correct answer to the question is B. Deploy Aurora cross-Region read replicas.

Explanation:
To meet the disaster recovery requirement of having the database available in another Region with minimal disruption to operations, deploying Aurora cross-Region read replicas is the most suitable solution.

Option A, performing an Aurora Multi-AZ deployment, does provide high availability within the same Region, but it does not fulfill the requirement of having the database available in another Region.

Option C, creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region, is not the optimal solution for minimizing disruption to database operations. While EBS snapshots are a valid backup and recovery mechanism, restoring a database from snapshots can take significant time, depending on the database size, and would result in downtime during the restore process.

Option D, deploying Aurora Replicas, provides read scalability and high availability within the same Region, but it does not fulfill the requirement of having the database available in another Region.

Option B, deploying Aurora cross-Region read replicas, is the best choice for meeting the disaster recovery requirement with minimal disruption. Aurora cross-Region read replicas allow you to create read replicas of your Aurora database in a different AWS Region. These replicas can be used for disaster recovery purposes and can be promoted to become the primary database in the event of a Region failure. By replicating the database to another Region, you ensure that it is available for read operations and can be quickly promoted to the primary database if needed, minimizing downtime and disruption to operations.

Therefore, the most suitable solution for this scenario is to deploy Aurora cross-Region read replicas (Option B).

Explanation 13

The correct answer is B: Deploy Aurora cross-Region read replicas.

Aurora cross-Region read replicas provide a way to replicate data from an Aurora DB instance in one Region to another Region. This allows for disaster recovery in the event of a failure in the primary Region. With cross-Region read replicas, the company can ensure that the database is available in another Region with minimal disruption to database operations.

Option A, Perform an Aurora Multi-AZ deployment, would not meet the requirement because Multi-AZ deployments only provide redundancy within a single Region.

Option C, Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region, would not meet the requirement because it would require the company to manually create and copy the snapshots, which could be time-consuming and error-prone.

Option D, Deploy Aurora Replicas, would not meet the requirement because Aurora Replicas are only available within the same Region as the primary instance.

Explanation 14

The correct answer is B. Deploy Aurora cross-Region read replicas.

Aurora cross-Region read replicas are a fully managed replication solution that allows you to create a replica of your Aurora database in a different AWS Region. This provides you with a disaster recovery solution that can be activated with minimal disruption to your database operations.

The other options are not as good solutions for this requirement.

Option A: Perform an Aurora Multi-AZ deployment. An Aurora Multi-AZ deployment creates a replica of your database in the same AWS Region. This is a good solution for disaster recovery, but it does not provide you with the same level of availability as a cross-Region deployment.

Option C: Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region. This is a manual process that can be time-consuming and disruptive to your database operations.

Option D: Deploy Aurora Replicas. Aurora Replicas are read-only replicas of your Aurora database that are created in the same AWS Region. They are not a good solution for disaster recovery, as they do not provide you with the same level of availability as a cross-Region deployment.

Explanation 15

To meet the disaster recovery requirement for a company running a database on Amazon Aurora in the us-east-1 Region, the best solution is option B: Deploy Aurora cross-Region read replicas.

Aurora cross-Region read replicas allow you to create a read replica of your database in another Amazon Region. This read replica can be used to serve read-heavy workloads and provide a standby database for disaster recovery. With this solution, you can minimize the disruption to your database operations by simply promoting the read replica to a standby database in the event of a disaster in the primary Region.

Here’s why the other options are not the best choice:

A. Performing an Aurora Multi-AZ deployment: While Aurora Multi-AZ deployments provide high availability and durability for your database, they do not provide automatic disaster recovery capabilities. With Multi-AZ, your database is still at risk in the event of a disaster in the primary Region.

B. Deploying Aurora cross-Region read replicas: As mentioned earlier, this solution provides a standby database in another Region that can be promoted to take over the primary database in the event of a disaster.

C. Creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region: While EBS snapshots can provide a point-in-time backup of your database, they do not provide a standby database in another Region. This means that you would still need to restore the snapshot and set up the database in the new Region, which can be a time-consuming and complex process.

D. Deploying Aurora Replicas: While Aurora Replicas provide high availability and automatic failover, they do not provide a standby database in another Region for disaster recovery. With Replicas, your database is still at risk in the event of a disaster in the primary Region.

In summary, deploying Aurora cross-Region read replicas is the best solution for meeting the disaster recovery requirement for a company running a database on Amazon Aurora in the us-east-1 Region. This solution provides a standby database in another Region that can be promoted to take over the primary database in the event of a disaster, minimizing the disruption to database operations.

Explanation 16

To meet the company’s disaster recovery requirement of having the database available in another Region with minimal disruption to database operations, the best solution is:

B. Deploy Aurora cross-Region read replicas.

Here’s why:

• Aurora Multi-AZ deployment (Option A) would not meet the disaster recovery requirement as it would still be within the same Region.
• Creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region (Option C) would require manual intervention and would not provide real-time replication of the database.
• Deploying Aurora Replicas (Option D) would also not meet the disaster recovery requirement as it would not provide real-time replication of the database.

On the other hand, deploying Aurora cross-Region read replicas would provide real-time replication of the database in another Region, ensuring that the database is available even in the event of an outage or disaster in the primary Region. This solution would also minimize disruption to database operations as the read replicas can be used to serve read traffic from the secondary Region.

In summary, deploying Aurora cross-Region read replicas is the best solution to meet the company’s disaster recovery requirement with minimal disruption to database operations.

Explanation 17

The correct answer is option B: Deploy Aurora cross-Region read replicas.

Explanation: To meet the disaster recovery requirement of having the database available in another Region with minimal disruption to database operations, deploying Aurora cross-Region read replicas is the recommended solution. Let’s discuss each option to understand why option B is the correct choice:

A. Perform an Aurora Multi-AZ deployment: An Aurora Multi-AZ deployment is designed to provide high availability within the same AWS Region. It creates a standby instance in a different Availability Zone (AZ) within the same Region to automatically handle failover in case of an infrastructure issue. However, it does not fulfill the requirement of having the database available in another Region.

B. Deploy Aurora cross-Region read replicas: Deploying Aurora cross-Region read replicas is the optimal solution for disaster recovery with minimal disruption. Aurora allows you to create read replicas in another AWS Region, which can be promoted to become the primary instance during a disaster recovery scenario. These replicas are continuously updated from the primary database, ensuring data consistency. In the event of a failure in the primary Region, the read replica in the secondary Region can be promoted to serve as the primary database, providing continuity of operations.

C. Create Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copy them to another Region: Creating EBS volume snapshots for Aurora and copying them to another Region is a valid backup and recovery mechanism, but it does not provide real-time replication or automatic failover capabilities. This option would require manual recovery steps and may result in longer recovery times and disruption to database operations.

D. Deploy Aurora Replicas: Aurora replicas are read-only copies of the primary database within the same Region. While replicas provide scalability and offload read traffic, they do not fulfill the requirement of having the database available in another Region for disaster recovery purposes.

In conclusion, to meet the requirement of having the database available in another Region with minimal disruption to database operations, the best solution is to deploy Aurora cross-Region read replicas (option B). This ensures real-time replication of data and automatic failover capabilities, providing a reliable disaster recovery solution.

Explanation 18

The correct answer to meet the company’s disaster recovery requirement with minimal disruption to the database operations is option B: Deploy Aurora cross-Region read replicas.

Explanation:
Aurora cross-Region read replicas allow you to replicate your Amazon Aurora database from one AWS Region to another. This solution provides a disaster recovery capability by maintaining a copy of the database in a different Region, ensuring availability even if the primary Region experiences an outage. The read replicas can be used for both read scaling and disaster recovery purposes.

Option A, performing an Aurora Multi-AZ deployment, is not the ideal solution for this scenario. Multi-AZ deployments provide high availability within a single Region but do not meet the requirement of having the database available in another Region.

Option C, creating Amazon Elastic Block Store (Amazon EBS) volume snapshots for Aurora and copying them to another Region, is not the optimal solution for disaster recovery. While EBS snapshots can be used for backup and recovery, they are not designed for real-time replication or failover.

Option D, deploying Aurora Replicas, provides read scalability within the same Region but does not inherently provide cross-Region replication for disaster recovery purposes. Aurora Replicas are intended for scaling reads and improving performance within the same Region.

In conclusion, option B (Deploy Aurora cross-Region read replicas) is the most suitable solution for the company’s requirement of having the database available in another Region with minimal disruption to the database operations.

Explanation 19

The solution that best meets the disaster recovery requirement of having the database available in another Region with minimal disruption to database operations is to deploy Aurora cross-Region read replicas (option B).

Here is why each option meets or does not meet the requirement:

A) Performing an Aurora Multi-AZ deployment ensures high availability within the same Region, but does not provide disaster recovery capabilities across Regions. It will not meet the requirement of having the database available in another Region.

C) Creating EBS volume snapshots and copying them to another Region is a manual process that requires downtime for restoring the database from snapshots. It causes disruption to database operations during the restore process.

D) Deploying Aurora Replicas only provides replication within the same Region and does not span across Regions. It does not meet the requirement of database availability in another Region.

B) Deploying Aurora cross-Region read replicas provides automated asynchronous replication of data from the primary Aurora cluster to the read replica cluster in another Region, with minimal disruption to database write operations. It ensures the database is available in the secondary Region for disaster recovery purposes, meeting the requirements stated in the question with the least disruption to the database operations during normal replication and in the event of a disaster affecting the primary Region.

Therefore, the best option is B – Deploy Aurora cross-Region read replicas. This solution meets the disaster recovery requirement to have the database available in another Region with minimal disruption to database operations.

Explanation 20

Here is the detailed answer with explanation:

The best solution to meet the company’s disaster recovery requirement of having the database available in another region with minimal disruption to database operations is to deploy Aurora cross-Region read replicas (Option B).

Aurora cross-Region read replicas allow continuous asynchronous replication of data from the source database cluster in one region to read replicas in other regions. This provides disaster recovery capabilities without additional application changes as the read replicas behave similarly to normal Aurora replicas but are located in a different region. In the event of an outage in the source region, the application can failover to the read replica in the other region transparently.

Option A of performing an Aurora Multi-AZ deployment will not meet the requirement as Multi-AZ provides high availability within a single region but not cross-region disaster recovery.

Option C of creating EBS snapshots and copying them to other regions is not optimal as it involves downtime to restore from snapshots in the DR region in the event of an outage. It also does not provide continuous replication.

Option D of deploying Aurora replicas is incorrect because normal Aurora replicas are also located within the same region as the primary database. Only cross-Region read replicas explicitly meet the requirement of having the database available in another region.

Therefore, the best option to meet the company’s disaster recovery requirement with minimal disruption is to deploy Aurora cross-Region read replicas (Option B) as it provides asynchronous, continuous replication of data across regions without requiring application changes or downtime.

Reference

• Replicating Amazon Aurora MySQL DB clusters across AWS Regions – Amazon Aurora
• New – Cross-Region Read Replicas for Amazon Aurora | AWS News Blog
• amazon web services – AWS RDS Aurora – Cross Region Read Replica has both Write and Reader instance? – Stack Overflow
• Create a read replica for an Amazon Aurora MySQL DB instance | AWS re:Post (repost.aws)
• Replication with Amazon Aurora – Amazon Aurora

Amazon AWS Certified Cloud Practitioner certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Amazon AWS Certified Cloud Practitioner exam and earn Amazon AWS Certified Cloud Practitioner certification.

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