Question 1

- (Topic 2)

A company wants to create a chatbot and integrate the chatbot with its current web application. Which AWS service will meet these requirements?

Accepted Answer

The AWS service that will meet the requirements of the company that wants to create a chatbot and integrate the chatbot with its current web applicatio Amazon Lex. Amazon Lex is a service that helps customers build conversational interfaces using voice and text. The company can use Amazon Lex to create chatbot that can understand natural language and respond to user requests, using the same deep learning technologies that power Amazon Alexa. Amazon Lex also provides easy integration with other AWS services, such as Amazon Comprehend, Amazon Polly, and AWS Lambda, as well as popular platforms, such as Facebook Messenger, Slack, and Twilio. Amazon Lex helps customers create engaging and interactive chatbots for their web applications. Amazon Kendra, Amazon Textract, and Amazon Polly are not the best services to use for this purpose. Amazon Kendra is a service that helps customers provide accurate an natural answers to natural language queries using machine learning. Amazon Textract is a service that helps customers extract text and data from scanned documents using optical character recognition (OCR) and machine learning. Amazon Polly is a service that helps customers convert text into lifelike spee deep learning. These services are more useful for different types of natural language processing and generation tasks, rather than creating and integrat chatbots.

Question 2

- (Topic 2)

A company wants to migrate its on-premises application to the AWS Cloud. The company is legally obligated to retain certain data in its onpremises data Which AWS service or feature will support this requirement?

Accepted Answer

AWS Outposts is a fully managed service that extends AWS infrastructure, AWS services, APIs, and tools to virtually any datacenter, co-location space, premises facility for a truly consistent hybrid experience. AWS Outposts enables you to run AWS services in your on-premises data center, which can supp requirement of retaining certain data on-premises due to legal obligations5.

Question 3

- (Topic 2) A company needs Amazon EC2 instances for a workload that can tolerate interruptions.

Which EC2 instance purchasing option meets this requirement with the LARGEST discount compared to On-Demand prices?

Accepted Answer

Spot Instances are spare Amazon EC2 instances that are available at up to 90% discount compared to On-Demand prices. They are suitable for workloads th can tolerate interruptions, such as batch processing, data analysis, and testing. Spot Instances are allocated based on the current supply and demand, a reclaimed by AWS with a two-minute notice when the demand exceeds the supply5. Convertible Reserved Instances are a type of Reserved Instances that prov a significant discount (up to 54%) compared to On-Demand prices and a capacity reservation for Amazon EC2 instances. They are available in 1-year or 3-y terms and allow users to change the instance family, size, operating system, or tenancy during the term. Standard Reserved Instances are another type of Reserved Instances that provide a larger discount (up to 75%) compared to On-Demand prices and a capacity reservation for Amazon EC2 instances. They are available in 1-year or 3-year terms and do not allow users to change the instance attributes during the term. Dedicated Hosts are physical servers with EC2 instance capacity fully dedicated to the user's use. They are suitable for users who have specific server- bound software licenses or compliance requirements.

Question 4

- (Topic 2)

Which AWS service provides a highly accurate and easy-to-use enterprise search service that is powered by machine learning (ML)?

Accepted Answer

Amazon Kendra is a service that provides a highly accurate and easy-to-use enterprise search service that is powered by machine learning. Kendra delive powerful natural language search capabilities to your websites and applications so your end users can more easily find the information they need within

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amount of content spread across your company. Amazon SageMaker is a service that provides a fully managed platform for data scientists and developers to quickly and easily build, train, and deploy machine learning models at any scale. Amazon Augmented AI (Amazon A2I) is a service that makes it easy to bu workflows required for human review of ML predictions. Amazon A2I brings human review to all developers, removing the undifferentiated heavy lifting ass with building human review systems or managing large numbers of human reviewers. Amazon Polly is a service that turns text into lifelike speech, allowin create applications that talk, and build entirely new categories of speech-enabled products. None of these services provide an enterprise search service that is powered by machine learning.

Question 5

- (Topic 2)

A company is preparing to launch a redesigned website on AWS. Users from around the world will download digital handbooks from the website. Which AWS solution should the company use to provide these static files securely?

Accepted Answer

Amazon CloudFront with Amazon S3 is a solution that allows you to provide static files securely to users from around the world. Amazon CloudFront is a content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer within a developer-friendly environment. Amazon S3 is an object storage service that offers industry-leading scalability, data availability, security, a You can use Amazon S3 to store and retrieve any amount of data from anywhere. You can also configure Amazon S3 to work with Amazon CloudFront to distribute your content to edge locations near your users for faster delivery and lower latency. Amazon Kinesis Data Streams is a service that enables y custom applications that process or analyze streaming data for specialized needs. This option is not relevant for providing static files securely. Amazo instances with an Application Load Balancer is a solution that allows you to distribute incoming traffic across multiple targets, such as EC2 instances, Availability Zones. This option is suitable for dynamic web applications, but not necessary for static files. Amazon Elastic File System (Amazon EFS) is that provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and on- premises resources. This option is not r providing static files securely.

Question 6

- (Topic 2)

A company wants to run its production workloads on AWS. The company needs concierge service, a designated AWS technical account manager (TAM), and technical support that is available 24 hours a day, 7 days a week.

Which AWS Support plan will meet these requirements?

Accepted Answer

B is correct because AWS Enterprise Support is the AWS Support plan that provides concierge service, a designated AWS technical account manager (TAM), and technical support that is available 24 hours a day, 7 days a week. This plan is designed for customers who run mission-critical workloads on AWS and the highest level of support. A is incorrect because AWS Basic Support is the AWS Support plan that provides customer service and support for billing an issues, service limit increases, and technical support for a limited set of AWS services. It does not provide concierge service, a designated TAM, or 24 support. C is incorrect because AWS Business Support is the AWS Support plan that provides customer service and support for billing and account issues, limit increases, and technical support for all AWS services, as well as access to AWS Trusted Advisor and AWS Support API. It does not provide concierge or a designated TAM. D is incorrect because AWS Developer Support is the AWS Support plan that provides customer service and support for billing and acc issues, service limit increases, and technical support for all AWS services, as well as access to AWS Trusted Advisor. It does not provide concierge ser designated TAM, or 24/7 technical support.

Question 7

- (Topic 2)

Which AWS service or tool provides on-demand access to AWS security and compliance reports and AWS online agreements?

Accepted Answer

AWS Artifact is the AWS service or tool that provides on-demand access to AWS security and compliance reports and AWS online agreements. AWS Trusted Advisor is a tool that provides real-time guidance to help users provision their resources following AWS best practices. Amazon Inspector is a service t users improve the security and compliance of their applications. AWS Billing console is a tool that helps users manage their AWS costs and usage. These concepts are explained in the AWS Cloud Practitioner Essentials course3.

Question 8

- (Topic 2)

A company wants to access a report about the estimated environmental impact of the company's AWS usage.

Which AWS service or feature should the company use to meet this requirement?

Accepted Answer

The company should use the AWS Billing console to access a report about the estimated environmental impact of the company's AWS usage. The AWS Billing console provides customers with various tools and reports to manage and monitor their AWS costs and usage. One of the reports available in the AWS Billi console is the AWS Sustainability Dashboard, which shows the estimated carbon footprint and energy mix of the customer's AWS usage. The company can use this dashboard to measure and improve the sustainability of their cloud workloads. AWS Organizations, IAM policy, and Amazon Simple Notification Service (Amazon SNS) are not services or features that can provide a report about the estimated environmental impact of the company's AWS usage. AWS Organizatio is a service that enables customers to centrally manage and govern their AWS accounts. IAM policy is a document that defines the permissions for an IAM (user, group, or role) or an AWS resource. Amazon SNS is a fully managed pub/sub messaging service that enables customers to send messages to subscriber or other AWS services.

Question 9

- (Topic 2)

Which AWS service requires the customer to patch the guest operating system?

Accepted Answer

The AWS service that requires the customer to patch the guest operating system is Amazon EC2. Amazon EC2 is a service that provides scalable compute capacity in the cloud, and allows customers to launch and run virtual servers, called instances, with a variety of operating systems, configurations, an specifications. The customer is responsible for patching and updating the guest operating system and any applications that run on the EC2 instances, as the security in the cloud. AWS Lambda, Amazon

OpenSearch Service, and Amazon ElastiCache are not services that require the customer to patch the guest operating system. AWS Lambda is a serverless compute service that allows customers to run code without provisioning or managing servers. Amazon OpenSearch Service is a fully managed service that ma it easy to deploy, operate, and scale OpenSearch clusters in the AWS Cloud. Amazon ElastiCache is a fully managed service that provides in-memory data s and cache solutions, such as Redis and Memcached. These services are managed by AWS, and AWS is responsible for patching and updating the underlying infrastructure and software.

Question 10

- (Topic 1)

Who is responsible for decommissioning end-of-life underlying storage devices that are used to host data on AWS?

Accepted Answer

AWS is responsible for decommissioning end-of-life underlying storage devices that are used to host data on AWS. AWS follows strict and audited data destruction processes to ensure that customer data is not exposed to unauthorized individuals or devices when an AWS storage device reaches the end of i useful life. AWS uses techniques detailed in DoD 5220.22-M ('National Industrial Security Program Operating Manual') or NIST 800-88 ('Guidelines for Med Sanitization') to destroy data as part of the decommissioning process3.