SAP-C02 学习助手

SAP-C02 第 384 题

CloudFront EC2 Auto Scaling Global Accelerator

题目

A company provides a software as a service (SaaS) application that runs in the AWS Cloud. The application runs on Amazon EC2 instances behind a Network Load Balancer (NLB). The instances are in an Auto Scaling group and are distributed across three Availability Zones in a single AWS Region. The company is deploying the application into additional Regions. The company must provide static IP addresses for the application to customers so that the customers can add the IP addresses to allow lists. The solution must automatically route customers to the Region that is geographically closest to them. Which solution will meet these requirements?

中文翻译:
一家公司提供在 AWS 云中运行的软件即服务 (SaaS) 应用程序。该应用程序在网络负载均衡器 (NLB) 后面的 Amazon EC2 实例上运行。这些实例位于 Auto Scaling 组中,分布在单个 AWS 区域的三个可用区中。该公司正在将该应用程序部署到其他区域。公司必须向客户提供应用程序的静态 IP 地址,以便客户可以将 IP 地址添加到允许列表中。该解决方案必须自动将客户路由到地理位置最接近他们的区域。哪种解决方案可以满足这些要求?

选项

A. Create an Amazon CloudFront distribution. Create a CloudFront origin group. Add the NLB for each additional Region to the origin group. Provide customers with the IP address ranges of the distribution’s edge locations.

中文翻译:
创建 Amazon CloudFront 分配。创建 CloudFront 源组。将每个附加区域的 NLB 添加到原始组。为客户提供分发边缘站点的 IP 地址范围。

B. Create an AWS Global Accelerator standard accelerator. Create a standard accelerator endpoint for the NLB in each additional Region. Provide customers with the Global Accelerator IP address.

中文翻译:
创建 AWS Global Accelerator 标准加速器。在每个附加区域中为 NLB 创建标准加速器端点。为客户提供全球加速器 IP 地址。

C. Create an Amazon CloudFront distribution. Create a custom origin for the NLB in each additional Region. Provide customers with the IP address ranges of the distribution’s edge locations.

中文翻译:
创建 Amazon CloudFront 分配。在每个附加区域中为 NLB 创建自定义源。为客户提供分发边缘站点的 IP 地址范围。

D. Create an AWS Global Accelerator custom routing accelerator. Create a listener for the custom routing accelerator. Add the IP address and ports for the NLB in each additional Region. Provide customers with the Global Accelerator IP address.

中文翻译:
创建 AWS Global Accelerator 自定义路由加速器。为自定义路由加速器创建侦听器。在每个附加区域中添加 NLB 的 IP 地址和端口。为客户提供全球加速器 IP 地址。

答案

B

解析

正确答案:B 解析: 本题应选择 B。 正确选项: B. 创建 AWS Global Accelerator 标准加速器。在每个附加区域中为 NLB 创建标准加速器端点。为客户提供全球加速器 IP 地址。 选择理由: 该选项最直接地满足题干中的关键约束。做 SAP-C02 题目时,需要同时对照题干里的限定词,例如最高性能、最低运维开销、成本效益、可靠性、可扩展性、安全性、RTO/RPO、合规要求等。本题相关考点主要包括:CloudFro...

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