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A solutions architect must develop a managed storage solution with high-performance machine learning capability for a company's application. This application is hosted on AWS Fargate, and the storage attached to it must support concurrent file access and give good performance.

Which storage choice should the architect of solutions recommend?

一个解决方案架构师必须为一个公司的应用程序开发一个具有高性能机器学习能力的管理存储解决方案。这个应用程序托管在AWS Fargate上，连接到它的存储必须支持并发的文件访问并给予良好的性能。

该解决方案的架构师应该推荐哪种存储选择？

为应用程序创建一个Amazon S3桶，并为Fargate建立一个IAM角色以与Amazon S3通信。

创建一个Amazon FSx for Lustre文件共享，并建立一个IAM角色，允许Fargate与FSx for Lustre通信。

创建一个亚马逊弹性文件系统（Amazon EFS）文件共享，并建立一个IAM角色，允许Fargate与亚马逊弹性文件系统（Amazon EFS）通信。

为应用程序创建一个亚马逊弹性块存储（Amazon EBS）卷，并建立一个IAM角色，允许Fargate与亚马逊弹性块存储（Amazon EBS）通信。

A business has a multi-tier application that is hosted on six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone and is protected by an Application Load Balancer (ALB). Without affecting the application, a solutions architect must adapt the infrastructure to make it highly accessible.

Which architecture should the solutions architect use to ensure maximum availability?

一个企业有一个多层应用程序，它被托管在一个单一可用区的亚马逊EC2自动扩展组中的六个前端Web服务器上，并受到一个应用程序负载平衡器（ALB）的保护。在不影响应用的情况下，解决方案架构师必须调整基础设施，使其具有高度可访问性。

该解决方案架构师应该使用哪种架构来确保最大的可用性？

创建一个自动扩展组，在两个区域的每个区域使用三个实例。

修改自动扩展组，在两个可用区的每个区使用三个实例。

创建一个自动扩展模板，可以用来在另一个区域快速创建更多的实例。

在轮流配置中改变亚马逊EC2实例前面的ALB，以平衡到网络层的流量。

A company runs an internal browser-based application. The application runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group across multiple Availability Zones. The Auto Scaling group scales up to 20 instances during work hours, but scales down to

2 instances overnight. Staff are complaining that the application is very slow when the day begins, although it runs well by mid-morning.

How should the scaling be changed to address the staff complaints and keep costs to a minimum?

一家公司运行一个基于浏览器的内部应用程序。该应用在应用负载平衡器后面的亚马逊EC2实例上运行。这些实例在一个亚马逊EC2自动扩展组中运行，跨越多个可用区。自动扩展组在工作时间内可扩展到20个实例，但在夜间可扩展到 2个实例过夜。工作人员抱怨说，当一天开始的时候，应用程序非常慢，尽管到了上午的时候运行良好。

应该如何改变扩展方式以解决员工的抱怨，并将成本保持在最低水平？

实施一个预定的行动，在办公室开放前不久将期望的容量设置为20。

实施一个在较低的CPU阈值上触发的阶梯式扩展动作，并减少冷却期。

实施一个在较低的CPU阈值上触发的目标跟踪动作，并减少冷却期。

实施一个预定动作，在办公室开放前不久将最小和最大容量设置为20。

A solutions architect is developing a solution that will allow users to browse a collection of photos and make requests for customized images. Parameters for image customisation will be included in each request made to an AWS API Gateway API. The personalized picture will be created on demand, and consumers will get a link to see or download it. The solution must be very user-friendly in terms of viewing and modifying photos.

Which approach is the MOST cost-effective in meeting these requirements?

一个解决方案的架构师正在开发一个解决方案，该方案将允许用户浏览照片集，并提出定制图片的请求。图片定制的参数将包括在向AWS API网关API提出的每个请求中。个性化的图片将按需创建，消费者将得到一个链接来查看或下载它。该解决方案在查看和修改照片方面必须非常方便用户。

在满足这些要求方面，哪种方法的成本效益最高？

使用亚马逊EC2实例，将原始图像处理成所要求的定制。在Amazon S3中存储原始图像和操作过的图像。在EC2实例的前面配置一个弹性负载平衡器。

使用AWS Lambda将原始图像处理成所要求的定制。在Amazon S3中存储原始图像和操作过的图像。配置一个以S3桶为原点的Amazon CloudFront分发。

使用AWS Lambda对原始图像进行操作，以达到要求的定制。将原始图像存储在Amazon S3中，将处理后的图像存储在Amazon DynamoDB中。在亚马逊EC2实例前配置一个弹性负载平衡器。

使用Amazon EC2实例将原始图像处理成所要求的定制。在Amazon S3中存储原始图像，在Amazon DynamoDB中存储处理后的图像。配置一个以S3桶为原点的Amazon CloudFront分布。

A bicycle sharing company is developing a multi-tier architecture to track the location Of its bicycles during peak operating

Hours. The company wants to use these data points in its existing analytics platform A solutions architect must determine the

Most viable multi-tier option to support this architecture, The data points must be accessible from the REST API. Which action meets these requirements for storing and retrieving location data?

一家共享单车公司正在开发一个多层次的架构，以便在运营高峰期追踪其单车的位置。

时间。该公司希望在其现有的分析平台中使用这些数据点。

数据点必须能够从REST API中访问。哪个行动符合这些存储和检索位置数据的要求？

A使用Amazon Athena与Amazon S3

B使用亚马逊API网关与AWS Lambda

C使用亚马逊QuickSight与亚马逊Redshift

D将亚马逊API网关与亚马逊Kinesis数据分析一起使用

A solutions architect is deploying a distributed database on multiple Amazon EC2 instances The database stores all data on multiple instances so it can withstand the loss of an instance The database requires block storage with latency and throughput to support several million transactions per second per server.

Which storage solution should the solutions architect use?

一个解决方案架构师正在多个亚马逊EC2实例上部署一个分布式数据库，该数据库将所有数据存储在多个实例上，因此它可以承受一个实例的损失，该数据库需要具有延迟和吞吐量的块存储，以支持每台服务器每秒几百万次交易。

解决方案架构师应该使用哪种存储解决方案？

A solutions architect is developing a web application that will be hosted on Amazon EC2 instances and managed by an Application Load Balancer (ALB). The organization places a high premium on the application's resilience to hostile internet activities and assaults, as well as its protection against newly discovered vulnerabilities and exposures.
What recommendations should the solutions architect make?

A company has been storing analytics data in an Amazon RDS instance for the past few years. The company asked a solutions architect to find a solution that allows users to access this data using an API. The expectation is that the application will experience periods of inactivity but could receive bursts of traffic within seconds.
Which solution should the solutions architect suggest?

The web application of a business makes use of many Linux Amazon EC2 instances and data is stored on Amazon Elastic Block Store (Amazon EBS) volumes. The organization is searching for a solution that will boost the application's resilience in the event of a failure and will offer storage that adheres to the atomicity, consistency, isolation, and durability requirements (ACID).
What actions should a solutions architect take to ensure that these criteria are met?

A company has an application that calls AWS Lambda functions. A recent code review found database credentials stored in the source code. The database credentials need to be removed from the Lambda source code. The credentials must then be securely stored and rotated on an ongoing basis to meet security policy requirements.
What should a solutions architect recommend to meet these requirements?

A business runs a static website on Amazon S3. A solutions architect must guarantee that data is recoverable in the event of an accidently deleted file.
Which action is necessary to achieve this?

A company is managing health records on-premises. The company must keep these records indefinitely, disable any modifications to the records once they are stored, and granularly audit access at all levels. The chief technology officer (CTO) is concerned because there are already millions of records not being used by any application, and the current infrastructure is running out of space. The CTO has requested a solutions architect design a solution to move existing data and support future records.

Which services can the solutions architect recommend to meet these requirements?

一家公司正在管理内部的健康记录。该公司必须无限期地保存这些记录，一旦记录被存储，就禁止对其进行任何修改，并对所有级别的访问进行细化审计。首席技术官（CTO）很担心，因为已经有数百万的记录没有被任何应用程序使用，而且当前的基础设施正在耗尽空间。首席技术官要求解决方案架构师设计一个解决方案来移动现有的数据并支持未来的记录。

解决方案架构师可以推荐哪些服务来满足这些要求？

Currently, a business runs a web application that is backed up by an Amazon RDS MySQL database. It features daily automatic backups that are not encrypted. A security audit entails the encryption of future backups and the destruction of unencrypted backups. Before deleting the previous backups, the firm will create at least one encrypted backup.
What should be done to allow encrypted backups in the future?

A client reports that they want see an audit log of any changes made to AWS resources in their account.
What can the client do to achieve this?

An application running in a private subnet accesses an Amazon DynamoDB table. There is a security requirement that the data never leave the AWS network.
How should this requirement be met?

A three-tier application is being created to host small news articles. The application is expected to serve millions of users. When breaking news occurs, the site must handle very large spikes in traffic without significantly impacting database performance.
Which design meets these requirements while minimizing costs?

During a review of business applications, a Solutions Architect identifies a critical application with a relational database that was built by a business user and is running on the user’s desktop. To reduce the risk of a business interruption, the Solutions Architect wants to migrate the application to a highly available, multi-tiered solution in AWS.

What should the Solutions Architect do to accomplish this with the LEAST amount of disruption to the business?

在审查业务应用程序时，一个解决方案架构师发现了一个关键的应用程序，它有一个关系型数据库。

是由一个业务用户建立的，并在用户的桌面上运行。为了减少业务中断的风险，该解决方案架构师希望将该应用迁移到一个高可用的多用户的数据库中。

为了减少业务中断的风险，解决方案架构师希望将该应用程序迁移到AWS中的高可用的多层解决方案。

架构师应该怎样做才能在对业务的干扰最小的情况下完成这个任务？

A company has thousands Of files stored in an Amazon S3 bucket that has a well-defined access pattern. The files are

Accessed by an application multiple times a day for the first 30 days. Files are rarely accessed within the next 90 days. After that,

The files are never accessed again. During the first 120 days, accessing these files _should never take more than a few

Seconds. Which lifecycle policy should be used for the S3 objects to minimize costs based on the access pattern?

A company creates business-critical 3D images every night. The images are batch-processed every Friday and require an uninterrupted 48 hours to complete.
What is the MOST cost-effective Amazon EC2 pricing model for this scenario?

An application generates audit logs of operational activities. Compliance requirements mandate that the application retain the logs for 5 years.
How can these requirements be met?

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