亚马逊认证考试系列 - 知识点 - 全球网络加速Global Accelerator介绍

亚马逊云科技的 Global Accelerator （简称GA）是一项全球加速器服务，旨在为 AWS 用户提供一种可靠的方法来改善全球负载均衡和网络性能，而无需改变应用程序。 GA 的主要功能是提供网络层负载均衡和全球加速，将流量路由到 AWS 区域的最优节点。

GA 可以为全球范围内的网络请求提供加速，优化网络路由，提高应用程序的性能，同时保持高可靠性。GA 依赖于 AWS 的全球网络优化技术，可以有效缩短网络路径，减少延迟，并在全球范围内提供卓越的网络性能。

GA 还具有其他功能，例如网络级故障转移和端点健康检查，可确保应用程序的高可用性和弹性。

总之，AWS GA 为用户提供了优化全球负载均衡和网络性能的简单、可靠、高效的解决方案，是 AWS 云平台中不可或缺的一部分。

下面我们来做一道来自于examshoot.com题库网 (一家提供AWS CLF-C01 SAA-C03 SAP-C02等考试题库，练习题，模拟题，代金券的考试助力网站)的练习题目：

Question: What is the purpose of AWS Global Accelerator (GA) service?

A. To improve the performance and reliability of applications running across regions.

B. To provide scalable and highly available DNS resolution for global applications.

C. To manage the deployment of virtual private clouds (VPC) across regions.

D. To monitor network traffic across all regions and availability zones.

Answer: A

Explanation: AWS Global Accelerator service offers a network layer service that allows you to improve the performance and reliability of applications running across regions. It routes traffic between multiple AWS regions over the AWS global network, providing low-latency, locality-based routing to the optimal AWS endpoint. This results in faster and more reliable application delivery, across multiple regions. Option B is incorrect as this describes Amazon Route 53 service designed for scalable and highly available DNS resolution. Option C is incorrect as this describes Amazon VPC service designed to manage the deployment of private networks within the AWS Cloud. Option D is incorrect as this describes the Amazon Virtual Private Cloud (VPC) traffic monitoring capabilities.

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