Table of Contents
Question
A company distributes traffic evenly among a fleet of Amazon EC2 instances. The EC2 instances must accommodate unpredictable increases in traffic. Which benefit does the AWS Cloud provide to meet this requirement?
A. Scalability
B. Resilience
C. Security
D. Agility
Answer
A. Scalability
Explanation
Correct Answer: A. Scalability
The correct benefit provided by the AWS Cloud to meet the requirement of distributing traffic evenly among a fleet of Amazon EC2 instances and accommodating unpredictable increases in traffic is A. Scalability.
- Scalability: Scalability in the AWS Cloud refers to the ability to easily adjust the capacity of resources to handle varying levels of workload demand. In this scenario, distributing traffic evenly and accommodating unpredictable increases in traffic can be achieved through both vertical and horizontal scalability.
- Vertical Scalability: This involves increasing the capacity of individual EC2 instances by upgrading their instance types (e.g., from t2.micro to t2.large). However, this approach might have limitations in terms of the maximum resources a single instance can offer.
- Horizontal Scalability: This involves adding more EC2 instances to the fleet to handle the increased traffic. With AWS Auto Scaling, you can dynamically add or remove instances from the fleet based on demand. This ensures that the distribution of traffic remains even and the application can handle sudden spikes in traffic.
- Resilience: Resilience is about maintaining availability and minimizing downtime in the face of failures. While it’s important, resilience doesn’t directly address distributing traffic evenly or accommodating unpredictable traffic increases.
- Security: Security in AWS focuses on protecting data, applications, and infrastructure. While security is a critical consideration, it doesn’t specifically address traffic distribution or accommodating traffic fluctuations.
- Agility: Agility in AWS refers to the ability to quickly adapt to changes and innovate rapidly. While agility enables quick adjustments to resources, it doesn’t inherently ensure even traffic distribution or handle traffic spikes.
In summary, the AWS Cloud’s Scalability feature is the most suitable benefit to meet the requirement of distributing traffic evenly among EC2 instances and accommodating unpredictable increases in traffic. It provides the ability to adjust resources based on demand, maintaining even distribution and handling traffic fluctuations effectively.
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