The correct answer is D. High availability.
Here's why:
Agility refers to the ability to quickly adapt to changing needs, which isn't directly related to handling failures.
Elasticity focuses on scaling resources up or down based on demand, not necessarily surviving component failures.
Scalability allows increasing resources to handle larger workloads, but doesn't guarantee uninterrupted operation if individual components fail.
High availability specifically ensures continuous service in the face of failures by implementing redundancy and fault tolerance mechanisms. Therefore, an architecture able to withstand failures with minimal downtime demonstrates high availability as its primary benefit.
Remember, high availability prioritizes minimizing downtime, while other options address different aspects of cloud computing.
High availability ensures that systems remain operational and accessible even in the event of failures, minimizing disruption to users and maintaining service uptime. This is a key benefit of cloud computing, particularly in AWS, where architectures are designed to be resilient to failures. Therefore, the correct answer to the question is D. High availability.
The correct answer is D. High availability.
Here's why:
Agility refers to the ability to quickly adapt to changing needs, which isn't directly related to handling failures.
Elasticity focuses on scaling resources up or down based on demand, not necessarily surviving component failures.
D. High availability: An architecture's ability to withstand failures with minimal downtime is a key aspect of high availability in the AWS Cloud. High availability ensures that applications remain operational and accessible even in the face of component failures or disruptions.
Options A, B, and C also represent important cloud benefits but are not specifically tied to an architecture's ability to withstand failures:
Agility (Option A): This refers to the ability to quickly and easily adapt to changes, innovate, and respond to evolving business needs.
Elasticity (Option B): Elasticity is the ability to dynamically scale resources up or down based on demand. It helps optimize costs and ensures that the application can handle varying workloads.
Scalability (Option C): Scalability involves the ability to increase or decrease the size of resources to accommodate changes in demand. It is related to both elasticity and the ability to handle growth.
High availability : Protect against data center, availability zone, server, network and storage subsystem failures to keep your business running without downtime.
https://aws.amazon.com/marketplace/solutions/infrastructure-software/high-availability
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