AWS Cloud Architecture (D319)
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Free AWS Cloud Architecture (D319) Questions
What is Amazon WorkSpaces?
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Amazon WorkSpaces is a web service that makes it easy to schedule regular data movement and data processing activities in the AWS cloud.
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Amazon WorkSpaces is a fully managed desktop computing service in the cloud, allowing end-users to access the documents, applications, and resources they need with the device of their choice.
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Amazon WorkSpaces is a flexible application management solution with automation tools that enable you to model and control your applications and their supporting infrastructure.
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Amazon WorkSpaces is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.
Explanation
Correct Answer
B. Amazon WorkSpaces is a fully managed desktop computing service in the cloud, allowing end-users to access the documents, applications, and resources they need with the device of their choice.
Explanation
Amazon WorkSpaces is a managed, secure Desktop-as-a-Service (DaaS) solution that allows users to access a cloud-based virtual desktop from anywhere using various devices, such as laptops, tablets, or smartphones. It provides a consistent and secure desktop experience for end-users, eliminating the need for on-premises infrastructure and allowing businesses to scale their desktop environments quickly and cost-effectively.
Why other options are wrong
A. Amazon WorkSpaces is a web service that makes it easy to schedule regular data movement and data processing activities in the AWS cloud.
This description refers to AWS Data Pipeline or AWS Glue, not WorkSpaces. Amazon WorkSpaces focuses on providing virtual desktops, not managing data movement and processing.
C. Amazon WorkSpaces is a flexible application management solution with automation tools that enable you to model and control your applications and their supporting infrastructure.
This description seems more fitting for AWS Elastic Beanstalk or AWS OpsWorks, which are used for managing applications and infrastructure. Amazon WorkSpaces is focused on providing virtual desktops, not managing applications.
D. Amazon WorkSpaces is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.
This refers to services like AWS Lambda, Amazon EC2, or AWS EMR, which focus on processing data. Amazon WorkSpaces, however, provides virtual desktops, not data processing capabilities.
Which resource should you use to access AWS security and compliance reports?
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AWS Artifact
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AWS Business Associate Addendum (BAA)
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AWS IAM
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AWS Organizations
Explanation
Correct Answer
A. AWS Artifact
Explanation
AWS Artifact is a service that provides on-demand access to AWS's security and compliance reports. It allows you to download audit reports, certifications, and compliance documentation, helping you assess and maintain compliance with industry standards.
Why other options are wrong
B. AWS Business Associate Addendum (BAA)
The AWS BAA is a legal agreement required for using AWS services in a healthcare setting (specifically for healthcare data). It doesn't provide access to security and compliance reports but rather defines terms for handling protected health information (PHI).
C. AWS IAM
AWS Identity and Access Management (IAM) is a service for controlling access to AWS resources. While essential for security, IAM does not provide compliance or audit reports like AWS Artifact does.
D. AWS Organizations
AWS Organizations helps manage multiple AWS accounts within an organization, but it does not provide direct access to compliance and security reports like AWS Artifact.
What is AWS Fargate used for?
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Running code in response to events
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Maintaining and securing APIs at any scale
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Providing real-time access to changes in data in AWS services
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A serverless, pay-as-you-go compute engine to focus on building applications without managing servers
Explanation
Correct Answer
D. A serverless, pay-as-you-go compute engine to focus on building applications without managing servers
Explanation
AWS Fargate is a serverless compute engine for containers that works with Amazon ECS (Elastic Container Service) and Amazon EKS (Elastic Kubernetes Service). It allows developers to run containers without managing the underlying infrastructure, enabling them to focus on building applications.
Why other options are wrong
A. Running code in response to events
This is the function of AWS Lambda, not AWS Fargate. Lambda allows you to run code in response to events without managing servers.
B. Maintaining and securing APIs at any scale
This describes the functionality of Amazon API Gateway, which is used for managing and securing APIs, not AWS Fargate.
C. Providing real-time access to changes in data in AWS services
This is the function of Amazon DynamoDB Streams or AWS Kinesis, not AWS Fargate. Fargate is focused on running containers, not managing data streams.
Which AWS service provides domain registration, DNS routing, and health monitoring for web applications?
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CloudFront
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Route 53
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Elastic Load Balancing
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API Gateway
Explanation
Correct Answer
B. Route 53
Explanation
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service. It provides domain registration, DNS routing, and health monitoring. It is used to route traffic to various AWS services and check the health of resources to ensure that only healthy resources are routed to.
Why other options are wrong
A. CloudFront
CloudFront is a content delivery network (CDN) service that delivers content to users with low latency. It does not handle domain registration, DNS routing, or health monitoring.
C. Elastic Load Balancing
Elastic Load Balancing is used to distribute incoming traffic across multiple targets, such as EC2 instances. It does not provide domain registration or DNS routing.
D. API Gateway
API Gateway is a service used to create, manage, and monitor APIs for applications. It does not provide domain registration, DNS routing, or health monitoring.
Which AWS service is specifically designed to facilitate the extraction, transformation, and loading of data for analytical purposes?
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Data Pipeline
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Glue
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Athena
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Redshift
Explanation
Correct Answer
B. Glue
Explanation
AWS Glue is a fully managed extract, transform, and load (ETL) service. It automates the process of preparing data for analytics by transforming and loading data into data lakes or data warehouses. It is specifically designed for data preparation and transformation tasks.
Why other options are wrong
A. Data Pipeline
Data Pipeline is an orchestration service for moving data between different AWS compute and storage services. While it helps manage the movement of data, it is not primarily focused on the transformation and extraction steps for analytics.
C. Athena
Amazon Athena is a query service that allows you to analyze data stored in S3 using SQL. It is a querying tool, not an ETL service.
D. Redshift
Amazon Redshift is a fully managed data warehouse service used to store and analyze large datasets. It is used for querying and analytics but does not handle ETL tasks itself.
What is the purpose of AWS VPN (Virtual Private Network)?
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To establish secure connections between VPCs and on-premises networks
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To distribute traffic across multiple instances within a VPC
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To accelerate content delivery through caching
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To manage domain name system (DNS) records
Explanation
Correct Answer
A. To establish secure connections between VPCs and on-premises networks
Explanation
AWS VPN allows you to securely connect your on-premises network to an Amazon VPC (Virtual Private Cloud) over an encrypted connection. This helps extend your on-premises infrastructure to the cloud while maintaining privacy and security.
Why other options are wrong
B. To distribute traffic across multiple instances within a VPC
This is incorrect because distributing traffic across multiple instances in a VPC is the function of an Elastic Load Balancer (ELB), not AWS VPN.
C. To accelerate content delivery through caching
This is incorrect because AWS VPN does not perform content caching. Content delivery acceleration is handled by services like Amazon CloudFront, which caches content at edge locations.
D. To manage domain name system (DNS) records
This is incorrect because managing DNS records is handled by Amazon Route 53, not by AWS VPN.
What service is a Docker container registry that allows developers to store, manage, and deploy Docker container images?
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Amazon EC2
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Amazon Athena
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ELB
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ECR
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Auto Scaling
Explanation
Correct Answer
D. ECR
Explanation
Amazon Elastic Container Registry (ECR) is a fully managed Docker container registry that allows developers to store, manage, and deploy Docker container images. It integrates with Amazon ECS (Elastic Container Service) and other container orchestration tools to simplify the process of running containerized applications.
Why other options are wrong
A. Amazon EC2
Amazon Elastic Compute Cloud (EC2) is a computer service for running virtual machines, not a container registry. It can be used to run Docker containers, but it doesn't store or manage Docker images.
B. Amazon Athena
Amazon Athena is a service for querying data stored in Amazon S3 using SQL. It is not a container registry and does not manage Docker container images.
C. ELB
Elastic Load Balancing (ELB) distributes incoming traffic across multiple targets, such as EC2 instances. While it helps manage application traffic, it is not used for storing or managing Docker images.
E. Auto Scaling
Auto Scaling is a service that automatically adjusts the number of instances in an application based on demand. It doesn't manage container images but works with services like EC2 or ECS to manage scaling.
What is an AWS Site-to-Site VPN?
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A service that provides SSL-encrypted links between websites in AWS
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A solution that provides encrypted sessions between AWS and on-premises systems by using TLS
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A service that provides the ability to access AWS and on-premises networks by using OpenVPN clients
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A solution that provides a connection between a virtual private cloud (VPC) and an on-premises network by using IPsec
Explanation
Correct Answer
D. A solution that provides a connection between a virtual private cloud (VPC) and an on-premises network by using IPsec
Explanation
AWS Site-to-Site VPN establishes a secure connection between an on-premises network and an AWS Virtual Private Cloud (VPC) over the public internet. It uses IPsec to encrypt the traffic, ensuring secure communication between both networks.
Why other options are wrong
A. A service that provides SSL-encrypted links between websites in AWS
This option refers to SSL encryption for websites, but Site-to-Site VPN does not provide SSL links specifically for websites, rather it secures the connection between VPC and on-premises networks.
B. A solution that provides encrypted sessions between AWS and on-premises systems by using TLS
TLS is a transport layer security protocol often used in web traffic. Site-to-Site VPN, however, uses IPsec for secure communication between networks, not TLS.
C. A service that provides the ability to access AWS and on-premises networks by using OpenVPN clients
This describes a different type of VPN solution. Site-to-Site VPN connects entire networks (on-premises and VPC) rather than using individual VPN clients like OpenVPN.
What is the primary function of AWS CodeCommit?
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A fully managed service for hosting Git repositories
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A tool for monitoring application performance
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A service for creating and managing virtual servers
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A database service for storing structured data
Explanation
Correct Answer
A. A fully managed service for hosting Git repositories
Explanation
AWS CodeCommit is a fully managed source control service that hosts Git repositories, allowing teams to store and manage their source code securely. It integrates seamlessly with other AWS services and provides version control for code, enabling collaboration across development teams.
Why other options are wrong
B. A tool for monitoring application performance
This is the primary function of AWS X-Ray or Amazon CloudWatch, not AWS CodeCommit. AWS CodeCommit is focused on code repository management, not on application performance monitoring.
C. A service for creating and managing virtual servers
This describes Amazon EC2, which is used to create and manage virtual servers in the cloud. AWS CodeCommit, however, deals specifically with Git repositories for source code management.
D. A database service for storing structured data
This refers to services like Amazon RDS or Amazon DynamoDB, which are used for storing structured data. AWS CodeCommit does not serve as a database service; it is designed for code version control.
Route 53 can NOT be used for the following:
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DNS Resolution
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Domain Registration
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Auto Scaling
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Health Checking
Explanation
Correct Answer
C. Auto Scaling
Explanation
AWS Route 53 is primarily used for DNS resolution, domain registration, and health checking. It helps route traffic to various AWS resources and monitors their health. However, Auto Scaling is a different service that automatically adjusts the capacity of AWS resources like EC2 instances based on traffic demands, and it is not a feature of Route 53.
Why other options are wrong
A. DNS Resolution
Route 53 is specifically designed for DNS resolution. It translates domain names into IP addresses, making it a core part of routing internet traffic.
B. Domain Registration
Route 53 provides domain registration services, allowing users to register new domain names and manage their DNS settings.
D. Health Checking
Route 53 supports health checking, which allows you to monitor the health of resources like EC2 instances and route traffic only to healthy resources, ensuring high availability.
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