Table of Contents
Question
A company deploys its application to multiple AWS Regions and configures automatic failover between those Regions. Which cloud concept does this architecture represent?
A. Security
B. Reliability
C. Scalability
D. Cost optimization
Answer
B. Reliability
Explanation
The correct answer is B. Reliability.
Explanation: The architecture described, where a company deploys its application to multiple AWS Regions and configures automatic failover between those Regions, represents the concept of reliability in the cloud.
Reliability in the context of the cloud refers to the ability of a system or application to operate continuously and provide uninterrupted service, even in the face of failures or disruptions. By deploying the application to multiple AWS Regions and configuring automatic failover between them, the company ensures that if one Region experiences an issue or outage, the application can automatically switch to another Region and continue operating without interruption.
Here’s a breakdown of the options and why they may or may not be suitable:
A. Security: While security is an important aspect of any cloud architecture, the described scenario is primarily focused on ensuring the reliability of the application. It involves configuring failover mechanisms to maintain continuous operation rather than directly addressing security concerns.
B. Reliability: This is the correct answer. By deploying the application to multiple AWS Regions and setting up automatic failover, the architecture aims to ensure the reliability of the application. It enables the system to handle failures or disruptions by switching to another Region seamlessly, thereby minimizing downtime and providing uninterrupted service.
C. Scalability: Scalability refers to the ability to dynamically adjust the capacity of resources to handle varying workloads. While scalability may play a role in the overall architecture, the primary focus of the described scenario is on achieving reliability through failover between Regions, rather than specifically addressing scalability concerns.
D. Cost optimization: Cost optimization is an important consideration in cloud architectures, but it is not the primary concept represented by the described scenario. The deployment across multiple Regions and failover configuration is primarily aimed at ensuring the reliability of the application, rather than directly focusing on cost optimization.
In summary, the architecture described, involving the deployment of an application to multiple AWS Regions with automatic failover, represents the concept of reliability in the cloud. It enables the system to continue operating uninterrupted, even in the event of failures or disruptions in a single Region, ensuring a reliable experience for users.
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