Question 1

A company manages factory machines in real time. The company wants to use AWS technology to deploy its monitoring applications as close to the factory
machines as possible.
Which AWS solution will meet these requirements with the LEAST latency?

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, or onpremises facility for a truly consistent hybrid experience. AWS Outposts enables you to run AWS services in your on-premises data center1.

Question 2

Which AWS service or tool helps companies measure the environmental impact of their AWS usage?

Accepted Answer

AWS customer carbon footprint tool is an AWS service or tool that helps companies measure the environmental impact of their AWS usage. It allows users to
estimate the carbon emissions associated with their AWS resources and services, such as EC2, S3, and Lambda. It also provides recommendations and best
practices to reduce the carbon footprint and improve the sustainability of their AWS workloads4. AWS Compute Optimizer is an AWS service that helps users
optimize the performance and cost of their EC2 instances and Auto Scaling groups. It provides recommendations for optimal instance types, sizes, and
configurations based on the workload characteristics and utilization metrics. It does not help users measure the environmental impact of their AWS usage.
Sustainability pillar is a concept that refers to the ability of a system to operate in an environmentally friendly and socially responsible manner. It is not an AWS
service or tool that helps users measure the environmental impact of their AWS usage. OS-Climate (Open Source Climate Data Commons) is an initiative that
aims to provide open source data, tools, and platforms to accelerate climate action and innovation. It is not an AWS service or tool that helps users measure the
environmental impact of their AWS usage.

Question 3

A company wants to migrate its Microsoft SQL Server database management system from on premises to the AWS Cloud.
Which AWS service should the company use to reduce management overhead for this environment?

Accepted Answer

Amazon Relational Database Service (Amazon RDS) is the AWS service that the company should use to migrate its Microsoft SQL Server database management
system from on premises to the AWS Cloud. Amazon RDS is a fully managed service that provides a scalable, secure, and high-performance relational database
platform. Amazon RDS supports several database engines, including Microsoft SQL Server. Amazon RDS reduces the management overhead for the database
environment by taking care of tasks such as provisioning, patching, backup, recovery, and monitoring. For more information, see What is Amazon Relational
Database Service (Amazon RDS)? and Amazon RDS for SQL Server.

Question 4

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 fast
content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all
within a developer-friendly environment. Amazon S3 is an object storage service that offers industry-leading scalability, data availability, security, and performance.
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 you to build
custom applications that process or analyze streaming data for specialized needs. This option is not relevant for providing static files securely. Amazon EC2
instances with an Application Load Balancer is a solution that allows you to distribute incoming traffic across multiple targets, such as EC2 instances, in multiple

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Availability Zones. This option is suitable for dynamic web applications, but not necessary for static files. Amazon Elastic File System (Amazon EFS) is a service
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 relevant for
providing static files securely.

Question 5

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, and
specifications. The customer is responsible for patching and updating the guest operating system and any applications that run on the EC2 instances, as part of
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 makes
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 store
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 6

A company uses Amazon Aurora as its database service. The company wants to encrypt its databases and database backups.
Which party manages the encryption of the database clusters and database snapshots, according to the AWS shared responsibility
model?

Accepted Answer

AWS manages the encryption of the database clusters and database snapshots for Amazon Aurora, as well as the encryption keys. This is part of the AWS
shared responsibility model, where AWS is responsible for the security of the cloud, and the customer is responsible for the security in the cloud. Encryption is one
of the security features that AWS provides to protect the data at rest and in transit. For more information, see Amazon Aurora FAQs and AWS Shared
Responsibility Model.

Question 7

A company needs to run its existing custom, nonproduction workloads in the AWS Cloud quickly and cost-effectively.
The workloads can recover from interruptions easily. Which pricing model should the company use?

Accepted Answer

The correct answer is C because Spot Instances are the pricing model that enables the company to run its existing custom, nonproduction workloads in the AWS
Cloud quickly and cost-effectively. Spot Instances are spare Amazon EC2 instances that are available at up to 90% discount compared to On-Demand prices. Spot
Instances are suitable for stateless, fault-tolerant, and flexible workloads that can recover from interruptions easily. The other options are incorrect because they
are not the pricing model that enables the company to run its existing custom, nonproduction workloads in the AWS Cloud quickly and cost-effectively. Reserved
Instances are Amazon EC2 instances that are reserved for a specific period of time (one or three years) in exchange for a lower hourly rate. Reserved Instances
are suitable for steady-state or predictable workloads that run for a long duration. On-Demand Instances are Amazon EC2 instances that are launched and billed
at a fixed hourly rate. On-Demand Instances are suitable for short-term, irregular, or unpredictable workloads that cannot be interrupted. Dedicated Hosts are
physical servers that are dedicated to a single customer. Dedicated Hosts are suitable for workloads that require regulatory compliance or data isolation.
Reference: Amazon EC2 Instance Purchasing Options

Question 8

Which option is an advantage of AWS Cloud computing that minimizes variable costs?

Accepted Answer

One of the advantages of AWS Cloud computing is that it minimizes variable costs by leveraging economies of scale. This means that AWS can achieve lower
costs per unit of computing resources by spreading the fixed costs of building and maintaining data centers over a large number of customers. As a result, AWS
can offer lower and more predictable prices to its customers, who only pay for the resources they consume.
Therefore, the correct answer is B. You can learn more about AWS pricing and economies of scale from this page.

Question 9

A company's application stores data in an Amazon S3 bucket. The company has an AWS Lambda function that processes data in the S3
bucket. The company needs to invoke the function once a day at a specific time. Which AWS service should the company use to meet this requirement?

Accepted Answer

Amazon EventBridge is the service that the company should use to meet the requirement of invoking the Lambda function once a day at a specific time. Amazon
EventBridge is a serverless event bus service that allows you to easily connect your applications with data from AWS services, SaaS applications, and your own
applications. You can use Amazon EventBridge to create rules that match events and route them to targets such as AWS Lambda functions, Amazon SNS topics,
Amazon SQS queues, or other AWS services. You can also use Amazon EventBridge to create scheduled rules that trigger your targets at a specific time or
interval, such as once a day. AWS Managed Services (AMS), AWS CodeStar, and AWS Step Functions are not services that the company should use to meet this
requirement. AMS is a service that provides operational management for your AWS infrastructure and applications. AWS CodeStar is a service that provides a
unified user interface for managing software development projects on AWS.
AWS Step Functions is a service that coordinates multiple AWS services into serverless workflows.

Question 10

When a user wants to utilize their existing per-socket, per-core, or per-virtual machine software licenses for a Microsoft Windows server running on AWS, which
Amazon EC2 instance type is required?

Accepted Answer

The correct answer is C because Dedicated Hosts are Amazon EC2 instances that are required when a user wants to utilize their existing per-socket, per-core, or
per-virtual machine software licenses for a Microsoft Windows server running on AWS. Dedicated Hosts are physical servers that are dedicated to a single
customer. Dedicated Hosts allow customers to use their existing server-bound software licenses, such as Windows Server, SQL Server, and SUSE Linux
Enterprise Server, subject to their license terms. The other options are incorrect because they are not Amazon EC2 instances that are required when a user wants
to utilize their existing per-socket, per-core, or per-virtual machine software licenses for a Microsoft Windows server running on AWS. Spot Instances are spare
Amazon EC2 instances that are available at up to 90% discount compared to On-Demand prices. Spot Instances are suitable for stateless, fault-tolerant, and
flexible workloads that can recover from interruptions easily. Dedicated Instances are Amazon EC2 instances that run on hardware that is dedicated to a single
customer, but not to a specific physical server. Dedicated Instances do not allow customers to use their existing server-bound software licenses. Reserved
Instances are Amazon EC2 instances that are reserved for a specific period of time (one or three years) in exchange for a lower hourly rate. Reserved Instances
are suitable for steady-state or predictable workloads that run for a long duration. Reserved Instances do not allow customers to use their existing server-bound
software licenses. Reference: Dedicated Hosts, Amazon EC2 Instance Purchasing Options