Question

A company wants to use guidelines from the AWS Well-Architected Framework to limit Human Error and facilitate consistent responses to events.

Which of the following is a Well-Architected design principle that will meet these requirements?

A. Use AWS Code Deploy.
B. Perform operations as code.
C. Migrate workloads to a Dedicated Host.
D. Use AWS Compute Optimizer.

Answer

B. Perform operations as code.

Explanation 1

The correct answer is B. Perform operations as code.

The AWS Well-Architected Framework defines five pillars of good architectural design:

• Reliability
• Performance efficiency
• Security
• Cost optimization
• Operational excellence

The principle of performing operations as code is part of the operational excellence pillar. This principle states that all operations should be automated and documented as code. This helps to reduce human error and ensures that operations are consistent and repeatable.

The other options are not Well-Architected design principles that will meet the requirements of the question.

• AWS Code Deploy is a service that can be used to automate the deployment of code to AWS resources. However, it does not address the issue of human error or consistent responses to events.
• Migrating workloads to a Dedicated Host can help to improve performance and security, but it does not address the issue of human error or consistent responses to events.
• AWS Compute Optimizer is a service that can help you optimize the performance and cost of your EC2 instances. However, it does not address the issue of human error or consistent responses to events.

Explanation 2

Answer: The Well-Architected design principle that will meet the requirements of limiting human error and facilitating consistent responses to events is:

B. Perform operations as code: This principle emphasizes the use of automation and treating infrastructure operations as code. By defining infrastructure and operational procedures as code, such as using infrastructure as code (IaC) tools like AWS CloudFormation or AWS CDK, organizations can reduce human error and ensure consistent responses to events. Operations as code allows for the automation of infrastructure provisioning, configuration management, and deployment, making it easier to manage and maintain the infrastructure and reducing the risk of manual errors.

The other options listed are not directly related to limiting human error and facilitating consistent responses to events:

A. Use AWS CodeDeploy: AWS CodeDeploy is a service that automates code deployments to various compute services like EC2 instances or AWS Lambda. While it helps with deployment automation, it does not specifically address the goal of limiting human error and facilitating consistent responses to events.

C. Migrate workloads to a Dedicated Host: Migrating workloads to a Dedicated Host can provide isolation and compliance benefits, but it does not directly address the goal of limiting human error and facilitating consistent responses to events.

D. Use AWS Compute Optimizer: AWS Compute Optimizer is a service that analyzes resource utilization and provides recommendations for optimizing compute resources. While it can help with resource optimization, it does not directly address the goal of limiting human error and facilitating consistent responses to events.

Therefore, the most suitable option is B. Perform operations as code, as it aligns with the Well-Architected design principle of using automation to limit human error and ensure consistent responses to events.

Explanation 3

The correct answer is B. Perform operations as code.

The AWS Well-Architected Framework defines five pillars of cloud computing:

• Reliability: The system should be designed to be highly available and resilient to failures.
• Performance efficiency: The system should be designed to be efficient in terms of resources and performance.
• Security: The system should be designed to be secure and protect data and applications from unauthorized access.
• Cost optimization: The system should be designed to be cost-effective and minimize unnecessary costs.
• Operational excellence: The system should be designed to be easy to operate and manage.

The principle of performing operations as code is a way to implement the operational excellence pillar of the AWS Well-Architected Framework. This principle involves automating all operations tasks, such as provisioning resources, deploying applications, and monitoring performance. By automating operations tasks, you can reduce human error and ensure that all operations are performed consistently.

The other options are not Well-Architected design principles that will meet the requirements of the question.

• AWS Code Deploy: This service is used to deploy code to AWS resources. It does not automate all operations tasks.
• Migrate workloads to a Dedicated Host: This is a way to improve performance and security for workloads. It does not reduce human error or ensure consistent responses to events.
• AWS Compute Optimizer: This service helps you optimize the performance and cost of your EC2 instances. It does not automate all operations tasks or reduce human error.

Explanation 4

The correct answer is B. Perform operations as code. This design principle means that the actions and procedures that are normally performed manually by humans are automated and executed as code. This reduces the risk of human error, increases efficiency, and ensures consistent responses to events. For example, operations as code can be used to automate the deployment, configuration, and monitoring of AWS resources using tools such as AWS CloudFormation, AWS Systems Manager, and AWS CloudTrail.

Option A is incorrect because AWS Code Deploy is a service that automates the deployment of applications to various compute services such as Amazon EC2, AWS Fargate, AWS Lambda, and Amazon ECS. It does not directly address the design principle of performing operations as code.

Option C is incorrect because migrating workloads to a Dedicated Host is a way of allocating physical servers with EC2 instances that are fully dedicated to a single customer’s use. It does not directly address the design principle of performing operations as code.

Option D is incorrect because AWS Compute Optimizer is a service that provides recommendations for optimal compute resources based on the performance and utilization of your workloads. It does not directly address the design principle of performing operations as code.

Explanation 5

B. Perform operations as code is a Well-Architected design principle that will help limit human error and facilitate consistent responses to events.

Explanation:

A. Using AWS CodeDeploy is a deployment service and is not directly related to operational practices or reducing human error in responding to events.

B. Performing operations as code involves automating operational tasks and procedures by using code and scripts. This approach helps reduce the potential for human error and ensures consistent responses to events by defining and automating the steps required to manage and operate resources in the AWS environment. It aligns with the Well-Architected Framework’s best practices for operational excellence.

C. Migrating workloads to a Dedicated Host is related to resource placement but does not directly address limiting human error or facilitating consistent responses to events. It’s not a specific Well-Architected design principle for these requirements.

D. Using AWS Compute Optimizer is a service that helps optimize the utilization of AWS resources for cost efficiency and performance. While it’s valuable for resource optimization, it does not directly address the need to limit human error or ensure consistent responses to events as the primary focus of the question.

In summary, the Well-Architected design principle of performing operations as code (Option B) aligns with the goal of limiting human error and facilitating consistent responses to events, making it the correct choice in this context.

Explanation 6

The correct answer is B. Perform operations as code.

Explanation:
The AWS Well-Architected Framework provides best practices and guidelines for designing and operating reliable, secure, efficient, and cost-effective systems in the AWS cloud. One of the design principles emphasized in the framework is to “perform operations as code.”

Performing operations as code means automating operational tasks and processes by using infrastructure as code (IaC) and configuration management tools. This approach helps limit human error and ensures consistent responses to events by reducing manual intervention and increasing the reliability and repeatability of operations.

By using infrastructure as code, you can define and manage your infrastructure and configuration in a declarative manner, allowing you to version control, test, and deploy changes to your infrastructure in a controlled and consistent manner. This reduces the risk of human error and enables you to easily reproduce and recover from events.

Options A, C, and D are not directly related to the Well-Architected design principle of performing operations as code:

A. AWS CodeDeploy is a service that automates application deployments to various compute services, but it does not directly address the need to limit human error and facilitate consistent responses to events.

C. Migrating workloads to a Dedicated Host is a deployment option that provides dedicated physical servers for your use, but it does not inherently address the need to limit human error and facilitate consistent responses to events.

D. AWS Compute Optimizer is a service that analyzes your EC2 instances and provides recommendations for optimizing their performance and cost, but it does not directly address the need to limit human error and facilitate consistent responses to events.

Therefore, the most appropriate answer is B. Perform operations as code.

Explanation 7

The correct answer is B. Perform operations as code.

The AWS Well-Architected Framework defines five pillars of good architectural design:

• Reliability: The system should be designed to be reliable and resilient to failures.
• Performance efficiency: The system should be designed to be efficient in terms of its use of resources.
• Security: The system should be designed to be secure and protect its data and resources.
• Cost optimization: The system should be designed to be cost-effective to operate and maintain.
• Operational excellence: The system should be designed to be easy to operate and manage.

The principle of Perform operations as code is part of the operational excellence pillar. This principle states that all operations should be performed in a repeatable and automated way, using code. This can help to limit human error and facilitate consistent responses to events.

The other options are not Well-Architected design principles that will meet the requirements of the question.

• AWS Code Deploy is a service that can be used to automate the deployment of code to AWS resources. However, it does not address the issue of human error or consistent responses to events.
• Migrating workloads to a Dedicated Host can help to improve performance and security, but it does not address the issue of human error or consistent responses to events.
• AWS Compute Optimizer is a service that can help to optimize the performance and cost of EC2 instances. However, it does not address the issue of human error or consistent responses to events.

Explanation 8

The correct answer is B. Perform operations as code.

The explanation is as follows:

Performing operations as code is a Well-Architected design principle that can help you limit human error and facilitate consistent responses to events. This principle means that you can apply the same engineering discipline that you use for application code to your entire environment. You can define your entire workload (applications, infrastructure) as code and update it with code. You can also implement your operations procedures as code and automate their run process by initiating them in response to events.

By performing operations as code, you can achieve the following benefits:

• Reduce human error: You can avoid manual mistakes or inconsistencies that may occur when performing operations tasks by hand. You can also use version control, testing, and validation tools to ensure the quality and accuracy of your code.
• Ensure consistent responses: You can ensure that your operations tasks are executed in the same way every time, regardless of who or what triggers them. You can also use standard templates, frameworks, and libraries to reuse and share your code across teams and workloads.
• Increase efficiency and agility: You can speed up and simplify your operations tasks by using automation and orchestration tools. You can also adapt and scale your operations code to meet changing demands or requirements.

The other options are not Well-Architected design principles that will meet these requirements, because they are either not related to operations as code, or not part of the AWS Well-Architected Framework. For example:

• Use AWS Code Deploy (option A) is not a Well-Architected design principle, but rather a service that automates code deployments to any instance, including Amazon EC2 instances and instances running on-premises. While AWS Code Deploy can help you perform operations as code, it is not a principle by itself.
• Migrate workloads to a Dedicated Host (option C) is not a Well-Architected design principle, but rather a type of EC2 instance that provides you with physical servers that are fully dedicated for your use. Migrating workloads to a Dedicated Host may have some benefits, such as cost savings or compliance, but it is not related to operations as code.
• Use AWS Compute Optimizer (option D) is not a Well-Architected design principle, but rather a service that helps you optimize your compute resources for performance and cost by providing recommendations based on your usage patterns. Using AWS Compute Optimizer may help you improve your workload efficiency, but it is not related to operations as code.

Explanation 9

The design principle that will meet these requirements as per the AWS Well-Architected Framework is B. Perform operations as code.

Performing operations as code is a part of the Operational Excellence pillar of the AWS Well-Architected Framework. This principle encourages the automation of manual tasks to reduce human error and ensure consistent responses to specific events. When operations are made code, the processes are reproducible, can be version controlled, validated, and shared across multiple operations teams.

Looking at the other options:

A. AWS Code Deploy is a service that automates software deployments, but it is not a design principle in itself.

C. Migrating workloads to a Dedicated Host may help reduce costs or address licensing needs, but it doesn’t specifically limit human error or facilitate consistent responses to events.

D. AWS Compute Optimizer is a service that recommends optimal AWS resources for your workloads to reduce costs and improve performance, but it is not a design principle in itself.

Explanation 10

The design principle from the AWS Well-Architected Framework that would help limit human error and facilitate consistent responses to events is B. Perform operations as code. This principle encourages the automation of manual tasks to reduce the potential for human error and ensure consistent responses.

Performing operations as code is a principle from the AWS Well-Architected Framework that emphasizes automating operational procedures to ensure consistency and reduce the risk of human error.

1. Limiting Human Error: By scripting and automating operational tasks, the risk of human error is significantly reduced. Manual tasks are prone to mistakes due to factors like fatigue, lack of concentration, or misunderstanding. Automating these tasks ensures they are performed the same way every time, reducing the chance of errors.
2. Consistent Responses: Automated procedures provide consistent responses to events. For example, if a server fails, an automated process can be triggered to replace it immediately, ensuring minimal downtime. This consistency is crucial for maintaining high availability and reliability of services.
3. Efficiency and Speed: Automated operations can be executed much faster than manual ones, leading to quicker responses to events and more efficient operations overall.
4. Auditability: Operations as code also provide a clear audit trail since all actions are recorded and can be reviewed later. This is beneficial for troubleshooting and understanding system behavior.
5. Scalability: As your infrastructure grows, managing it manually becomes increasingly complex. Automation allows you to manage and scale your infrastructure more effectively.

In summary, performing operations as code helps to create a more reliable, efficient, and scalable system by reducing human error and ensuring consistent responses to events.

Explanation 11

The correct answer is B. Perform operations as code is a Well-Architected design principle that will meet these requirements.

Explanation:

• Perform operations as code: This is a design principle for operational excellence in the cloud, as stated in the AWS Well-Architected Framework. It means that you can apply the same engineering discipline that you use for application code to your entire environment. You can define your entire workload (applications, infrastructure) as code and update it with code. You can implement your operations procedures as code and automate their run process by initiating them in response to events. By performing operations as code, you limit human error and achieve consistent responses to events.
• Use AWS Code Deploy: This is a service that automates code deployments to any instance, including Amazon EC2 instances and instances running on-premises. AWS CodeDeploy makes it easier for you to rapidly release new features, update applications, and avoid downtime during application deployment. However, this is not a design principle from the AWS Well-Architected Framework, and it does not necessarily limit human error or facilitate consistent responses to events.
• Migrate workloads to a Dedicated Host: This is a physical server with EC2 instance capacity fully dedicated to your use. Dedicated Hosts can help you reduce costs by allowing you to use your existing server-bound software licenses, including Windows Server, SQL Server, and SUSE Linux Enterprise Server (subject to your license terms), and can also help you meet compliance requirements. However, this is not a design principle from the AWS Well-Architected Framework, and it does not necessarily limit human error or facilitate consistent responses to events.
• Use AWS Compute Optimizer: This is a service that provides recommendations for optimal AWS resources for your workloads to reduce costs and improve performance by using machine learning to analyze historical utilization metrics. However, this is not a design principle from the AWS Well-Architected Framework, and it does not necessarily limit human error or facilitate consistent responses to events.

Explanation 12

According to AWS documentation, the Well-Architected design principle that will meet the requirements of limiting human error and facilitating consistent responses to events is “Perform operations as code”. Using AWS Code Deploy is not a Well-Architected design principle that will meet these requirements. Migrating workloads to a Dedicated Host is not a Well-Architected design principle that will meet these requirements. Using AWS Compute Optimizer is not a Well-Architected design principle that will meet these requirements.

Explanation 13

The AWS Well-Architected Framework identifies five design principles for operational excellence in the cloud. One of these principles is to perform operations as code. In the cloud, you can apply the same engineering discipline that you use for application code to your entire environment. You can define your entire workload (applications, infrastructure) as code and update it with code. You can implement your operations procedures as code and automate their run process by initiating them in response to events. By performing operations as code, you limit human error and achieve consistent responses to events.

Therefore, the correct answer to your question is B. Perform operations as code.

Explanation 14

The correct answer is B. Perform operations as code.

The AWS Well-Architected Framework is a set of best practices and guidelines for designing and operating reliable, secure, and high-performing workloads on the AWS cloud. One of the five pillars of the framework is Operational Excellence, which focuses on the ability to run and manage AWS resources and applications safely and efficiently.

Performing operations as code is a key principle under the Operational Excellence pillar. This means that all operations, including deployment, configuration, and management, are automated and treated as code. This approach helps to limit human error by reducing the need for manual intervention and ensuring that changes are made in a consistent and predictable manner.

By performing operations as code, the company can:

1. Version control changes: Changes to the infrastructure and configuration are stored in version control systems, allowing for easy tracking and rollback of changes.
2. Automate repetitive tasks: Automation helps to reduce the likelihood of human error and increases efficiency by automating repetitive tasks.
3. Consistency: Consistency is ensured by treating infrastructure as code, which means that the same configuration is applied across different environments, reducing the likelihood of errors caused by manual configuration.
4. Compliance: By using infrastructure as code, the company can ensure compliance with industry and security standards by applying a consistent configuration across all environments.

Option A, Use AWS Code Deploy, is not a Well-Architected design principle. While AWS Code Deploy can be used to automate the deployment of applications, it does not address the broader operational excellence requirements of performing operations as code.

Option C, Migrate workloads to a Dedicated Host, is not related to the Well-Architected design principle of performing operations as code. Dedicated Hosts provide a dedicated environment for running workloads, but do not address the operational excellence requirements.

Option D, Use AWS Compute Optimizer, is not related to the Well-Architected design principle of performing operations as code. AWS Compute Optimizer helps to optimize the cost and performance of AWS resources, but does not address the operational excellence requirements.

Explanation 15

Assistant: The correct answer is B: Perform operations as code.

Explanation: Performing operations as code involves using scripts or configuration management tools to automate and manage infrastructure provisioning and changes. This reduces the likelihood of human errors and enables consistent responses to events.

Explanation 16

The correct answer is B. Perform operations as code.

The AWS Well-Architected Framework provides guidelines for designing and operating reliable, secure, and high-performing workloads on AWS. One of the key principles of the framework is to “operate as code,” which means that all changes to the environment should be made through code, rather than through manual actions.

By using code to perform operations, the company can ensure consistency and repeatability of processes, which can help limit human error and facilitate consistent responses to events. This approach also allows for easier version control, rollbacks, and automated testing, which can further reduce the risk of human error and improve the reliability of the environment.

AWS Code Deploy is a service that automates the deployment of software applications to AWS, but it is not directly related to the Well-Architected principle of “operate as code.” Migrating workloads to a Dedicated Host is also not directly related to this principle, as it is a different aspect of the Well-Architected Framework. AWS Compute Optimizer is a service that helps optimize the cost of AWS resources, but it is not directly related to the “operate as code” principle.

Therefore, the correct answer is B. Perform operations as code.

Explanation 17

The correct answer is B. Perform operations as code.

Explanation: The AWS Well-Architected Framework provides best practices and guidelines for designing and operating reliable, secure, efficient, and cost-effective systems in the AWS cloud. One of the design principles emphasized by the framework is to “perform operations as code.”

Performing operations as code means using infrastructure as code (IaC) practices to automate the provisioning, deployment, and management of infrastructure resources. This approach reduces the likelihood of human error and enables consistent and repeatable responses to events.

By using tools like AWS CloudFormation or AWS CDK (Cloud Development Kit), infrastructure resources can be defined and managed as code. This allows for version control, automated testing, and deployment of infrastructure changes, reducing the risk of manual errors and providing consistency across environments.

Option A, “Use AWS CodeDeploy,” is a deployment service that automates application code deployments to various compute services. While it can be useful for managing code deployments, it does not directly address the need to limit human errors or facilitate consistent responses to events.

Option C, “Migrate workloads to a Dedicated Host,” refers to running instances on dedicated physical servers. While this can provide isolation and compliance benefits, it does not directly address the need to limit human errors or facilitate consistent responses to events.

Option D, “Use AWS Compute Optimizer,” is a service that analyzes resource utilization and recommends optimal configurations for EC2 instances. While it can help optimize resource usage, it does not directly address the need to limit human errors or facilitate consistent responses to events.

In summary, performing operations as code aligns with the Well-Architected design principle of reducing human error and enabling consistent responses to events.

Explanation 18

The correct answer is (B) Perform operations as code.

The AWS Well-Architected Framework provides a set of guidelines and best practices for designing and operating reliable, secure, and efficient cloud infrastructure. One of the key principles of the framework is to perform operations as code, which involves treating infrastructure as code and managing it through software tools and automation.

Performing operations as code can help to limit human error by automating repetitive tasks and providing a version-controlled history of changes to the infrastructure. This approach enables consistent responses to events by ensuring that changes are tracked and reproducible, making it easier to troubleshoot and resolve issues.

Option A, Using AWS CodeDeploy, is related to continuous deployment and delivery, but it is not a Well-Architected design principle. CodeDeploy is a service that enables automated deployment of application code changes to AWS resources, but it does not address the specific requirement of limiting human error and facilitating consistent responses to events.

Option C, Migrating workloads to a Dedicated Host, is a migration strategy that can help to improve resource utilization and reduce costs, but it is not directly related to the requirement of performing operations as code.

Option D, Using AWS Compute Optimizer, is a service that provides automated optimization recommendations for AWS Compute resources, but it is not a design principle of the AWS Well-Architected Framework.

In summary, the correct answer is (B) Perform operations as code, as it is a key principle of the AWS Well-Architected Framework that can help to limit human error and facilitate consistent responses to events.

Explanation 19

Here is the answer with explanation:

The AWS Well-Architected Framework provides best practices for designing and operating reliable, secure, and efficient systems on AWS. One of the design principles from the framework that meets the requirements stated in the question is “Perform operations as code” (option B).

Performing operations as code allows automated and repeatable deployments across all environments using configuration and infrastructure as code. This helps limit human error by removing manual processes and ensures consistency since the same code is used for all deployments and operational activities.

The other options do not fully address the requirements:

A) AWS CodeDeploy is a deployment tool, but does not cover the operational aspects.

C) Migrating to Dedicated Host does not relate to limiting human error or ensuring consistency in responses.

D) AWS Compute Optimizer provides recommendations to optimize compute costs, but does not deal with limiting human errors or consistent responses.

Therefore, the best answer is B – “Perform operations as code” as it encompasses automated and consistent deployment and operational workflows using code, which directly meets the requirements of limiting human error and facilitating consistent responses to events mentioned in the question.

Explanation 20

The correct answer is B.

Perform operations as code is a design principle from the AWS Well-Architected Framework that helps limit human error and facilitate consistent responses to events.

Operations as code refers to defining operations procedures and runbooks as code, which can then be reviewed, tested, deployed, and updated systematically. This enables consistent and reliable automation of operations.

A. Use AWS CodeDeploy is not a Well-Architected design principle, it is an AWS service.

C. Migrate workloads to a Dedicated Host may improve performance isolation but does not directly address limiting human error or consistent responses.

D. Use AWS Compute Optimizer helps optimize costs and performance but does not directly address limiting human error or consistent responses.

Explanation 21

The correct answer is B. Perform operations as code.

Explanation:
The AWS Well-Architected Framework provides best practices and guidelines for designing and operating reliable, secure, efficient, and cost-effective systems in the AWS cloud. One of the key principles of the Well-Architected Framework is to “perform operations as code.”

Performing operations as code means automating operational procedures and tasks by using infrastructure as code (IaC) and configuration management tools. This approach helps to reduce human error and ensures consistent responses to events by treating infrastructure changes and operational procedures as code.

By using infrastructure as code, you can define your infrastructure, configuration, and operational procedures in a declarative way using code. This code can be version-controlled, tested, and deployed using established software development practices. It enables you to automate the provisioning and management of your infrastructure, reducing the need for manual intervention and minimizing the risk of human error.

Using infrastructure as code allows you to create and manage resources in a consistent and repeatable manner. It enables you to automate tasks such as infrastructure provisioning, configuration management, and deployment, which helps to ensure that your systems are consistently and correctly configured. Additionally, it facilitates collaboration among team members and simplifies the process of making changes and updates to your infrastructure.

In contrast, the other options listed:

A. Using AWS CodeDeploy is a service that automates application deployments to Amazon EC2 instances or on-premises servers. While it can help with deployment automation, it does not directly address limiting human error or facilitating consistent responses to events as requested in the question.

C. Migrating workloads to a Dedicated Host is related to the hosting model and does not specifically address the objective of limiting human error or facilitating consistent responses to events.

D. AWS Compute Optimizer is a service that analyzes the utilization of your EC2 instances and provides recommendations for improving performance and cost efficiency. While it can help optimize your compute resources, it does not directly address the objective of limiting human error or facilitating consistent responses to events.

Therefore, the most appropriate option is B. Perform operations as code, as it aligns with the Well-Architected principle and directly addresses the requirements mentioned in the question.

Reference

• Design principles – AWS Well-Architected Framework (amazon.com)
• General design principles – AWS Well-Architected Framework (amazon.com)
• AWS Well-Architected Framework – AWS Well-Architected Framework (amazon.com)

Amazon AWS Certified Cloud Practitioner certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Amazon AWS Certified Cloud Practitioner exam and earn Amazon AWS Certified Cloud Practitioner certification.

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