Amazon Amazon Certifications CLF-C01 Questions & Answers

• Question 491:

  A company wants its workload to perform consistently and correctly. Which benefit of AWS Cloud computing does this goal represent?

  A. Security

  B. Elasticity

  C. Pay-as-you-go pricing

  D. Reliability

  Correct Answer: D

  D. Reliability. The company's goal of having its workload perform consistently and correctly aligns with the reliability benefit of AWS Cloud computing. Reliability refers to the ability of a system to perform consistently and predictably, without failures or errors, over a given period of time. AWS offers various features and services to enhance the reliability of workloads, such as automatic backups, redundancy across multiple availability zones, and load balancing.

• Question 492:

  A company needs a quick estimate of the cost to run 100 Amazon EC2 instances with AWS Business Support. Which tool should the company use to generate the estimate?

  A. AWS Budgets

  B. AWS Cost and Usage Report

  C. AWS Pricing Calculator

  D. Cost Explorer

  Correct Answer: C

  C. AWS Pricing Calculator. This tool allows the company to input the details of the 100 Amazon EC2 instances and select the AWS Business Support plan to estimate the cost of running those instances. AWS Budgets, AWS Cost and Usage Report, and Cost Explorer provide more detailed information about ongoing costs and usage, rather than a quick estimate.

• Question 493:

  In the AWS shared responsibility model, which tasks are the responsibility of AWS? (Choose two.)

  A. Patch an Amazon EC2 instance operating system.

  B. configure a security group.

  C. Monitor the health of an Availability Zone.

  D. Protect the infrastructure that runs Amazon EC2 instances.

  E. Manage access to the data in an Amazon S3 bucket.

  Correct Answer: CD

  In the AWS shared responsibility model, AWS is responsible for:

  C. Monitor the health of an Availability Zone: AWS is responsible for ensuring the availability and reliability of their infrastructure.

  D. Protect the infrastructure that runs Amazon EC2 instances: AWS is responsible for protecting the underlying infrastructure that runs EC2 instances. Therefore, options C and D are correct

• Question 494:

  In which categories does AWS Trusted Advisor provide recommended actions? (Choose two.)

  A. Operating system patches

  B. Cost optimization

  C. Repetitive tasks

  D. Service quotas

  E. Account activity records

  Correct Answer: BD

  The two categories in which AWS Trusted Advisor provides recommended actions are:

  B. Cost optimization: AWS Trusted Advisor provides recommendations for optimizing costs by identifying opportunities to reduce waste, improve performance, and increase utilization.

  D. Service quotas: AWS Trusted Advisor provides recommendations for managing your AWS service quotas, which limit the amount of resources you can use in a given region.

  AWS Trusted Advisor does not provide recommendations for operating system patches, repetitive tasks, or account activity records. It focuses on providing recommendations related to security, fault tolerance, performance, and cost optimization.

• Question 495:

  A company has an application that runs periodically in an on-premises environment. The application runs for a few hours most days, but runs for 8 hours a day for a week at the end of each month. Which AWS service or feature should be used to host the application in the AWS Cloud?

  A. Amazon EC2 Standard Reserved Instances

  B. Amazon EC2 On-Demand Instances

  C. AWS Wavelength

  D. Application Load Balancer

  Correct Answer: B

  B. Amazon EC2 On-Demand Instances.Since the application runs periodically and for a varying duration, it is most suitable to use on-demand instances as they can be launched and terminated as needed without long-term commitments or upfront payments. This allows for flexibility and cost-effectiveness as the company only pays for the hours that the application runs. Reserved instances are more suitable for long- term, steady-state workloads. AWS Wavelength is a service that enables mobile devices to access the AWS network at ultra-low latency, and an Application Load Balancer is used to distribute traffic to multiple instances.

• Question 496:

  Which AWS service or tool should a company use to forecast AWS spending?

  A. Amazon DevPay

  B. AWS Organizations

  C. AWS Trusted Advisor

  D. Cost Explorer

  Correct Answer: D

  To forecast AWS spending, a company should use AWS Cost Explorer. Therefore, option D is the correct answer.

  AWS Cost Explorer is a tool that allows customers to visualize and forecast their AWS spending based on their usage patterns. It provides a set of predefined reports and dashboards that help customers analyze their costs and usage across different AWS services. Cost Explorer also allows customers to create custom reports and set up cost alerts to notify them when their spending exceeds a certain threshold. Overall, it is a powerful tool for managing and optimizing AWS costs.

• Question 497:

  Which AWS service is used to temporarily provide federated security credentials to access AWS resources?

  A. Amazon GuardDuty

  B. AWS Simple Token Service (AWS STS)

  C. AWS Secrets Manager

  D. AWS Certificate Manager

  Correct Answer: B

  The AWS service that is used to temporarily provide federated security credentials to access AWS resources is AWS Simple Token Service (AWS STS). Option B is the correct answer.

  AWS STS is a web service that enables you to request temporary, limited-privilege credentials for AWS Identity and Access Management (IAM) users or for users that you authenticate (federated users). It provides a way to grant access to your AWS resources for users who are not defined in your AWS account.

• Question 498:

  Which option is an AWS Cloud Adoption Framework (AWS CAF) perspective?

  A. Cloud uency

  B. Change acceleration

  C. Architecture

  D. Business

  Correct Answer: D

  The AWS Cloud Adoption Framework (AWS CAF) perspective that relates to the business is option D- Business.

  The AWS Cloud Adoption Framework (CAF) provides a high-level framework for planning and implementing cloud adoption strategies. It consists of six perspectives that help organizations address different aspects of cloud adoption,

  including business, people, governance, platform, security, and operations.

• Question 499:

  Which database engines does Amazon Aurora support? (Choose two.)

  A. Oracle

  B. Microsoft SQL Server

  C. MySQL

  D. PostgreSQL

  E. MongoDB

  Correct Answer: CD

  Amazon Aurora supports MySQL and PostgreSQL database engines. Therefore, options C and D are correct.

  Amazon Aurora is a relational database service provided by Amazon Web Services (AWS) that is compatible with MySQL and PostgreSQL databases. It is designed to be highly scalable and available with automatic data replication and failover capabilities.

• Question 500:

  Which AWS service or tool does AWS Control Tower use to create resources?

  A. AWS CloudFormation

  B. AWS Trusted Advisor

  C. AWS Directory Service

  D. AWS Cost Explorer

  Correct Answer: A

  A. AWS CloudFormation. AWS Control Tower uses AWS CloudFormation to create and manage AWS resources across multiple accounts and organizational units (OUs). AWS CloudFormation provides a common language for describing and provisioning infrastructure resources in an automated and secure manner. With AWS Control Tower, users can define and enforce policies to ensure that resources are provisioned according to best practices, and can use AWS CloudFormation templates to automate the creation and deployment of resources.