What should the DevOps engineer do to meet these requirements?

2026-04-02
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In: DOP-C01
With: 2 Comments

A company has an organization in AWS Organizations.The company has configured AWS Single Sign-On (AWS SSO) to centrally manage access to the AWS accounts in the organization.A DevOps engineer needs to ensure that all users sign in by using multi-factor authentication (MFA).Users must be allowed to manage their own MFA devices.Users also must be prompted for MFA every time they sign in.What should the DevOps engineer do to meet these requirements?Read More →

Which solution will meet these requirements with the LEAST operational overhead?

2026-04-02
By:
In: SOA-C02
With: 2 Comments

A company has a public website that recently experienced problems.Some links led to missing webpages, and other links rendered incorrect webpages.The application infrastructure was running properly, and all the provisioned resources were healthy.Application logs and dashboards did not show any errors, and no monitoring alarms were raised.Systems administrators were not aware of any problems until end users reported the issues.The company needs to proactively monitor the website for such issues in the future and must implement a solution as soon as possible.Which solution will meet these requirements with the LEAST operational overhead?Read More →

How can the Solutions Architect improve the login experience and maintain high security and performance with minimal management overhead?

2026-04-02
By:
In: SAP-C01
With: 2 Comments

A company has released a new version of a website to target an audience in Asia and South America.The website’s media assets are hosted on Amazon S3 and have an Amazon CloudFront distribution to improve end-user performance.However, users are having a poor login experience, the authentication service is only available in the us-east-1 AWS Region.How can the Solutions Architect improve the login experience and maintain high security and performance with minimal management overhead?Read More →

Which solution will meet these requirements?

2026-04-02
By:
In: SCS-C01
With: 2 Comments

A company uses AWS Organizations to manage 20 AWS accounts.The company has a new requirement to enforce IAM access key rotation every 90 days.Currently, the company uses the access keys to connect to Amazon EC2 instances.The company uses the organization’s management account to manage the IAM users of all the accounts.A security administrator needs to develop a solution for the key rotation.Which solution will meet these requirements?Read More →

Which solution will meet these requirements MOST cost-effectively?

2026-04-02
By:
In: SAA-C03
With: 2 Comments

An ecommerce company runs a PostgreSQL database on premises.The database stores data by using high IOPS Amazon Elastic Block Store (Amazon EBS) block storage.The daily peak I/O transactions per second do not exceed 15,000 IOPS.The company wants to migrate the database to Amazon RDS for PostgreSQL and provision disk IOPS performance independent of disk storage capacity.Which solution will meet these requirements MOST cost-effectively?Read More →

What should the solutions architect do to resolve the error?

2026-04-02
By:
In: SAP-C02
With: 2 Comments

A company runs an unauthenticated static website (www.example.com) that includes a registration form for users.The website uses Amazon S3 for hosting and uses Amazon CloudFront as the content delivery network with AWS WAF configured.When the registration form is submitted, the website calls an Amazon API Gateway API endpoint that invokes an AWS Lambda function to process the payload and forward the payload to an external API call.During testing, a solutions architect encounters a cross-origin resource sharing (CORS) error.The solutions architect confirms that the CloudFront distribution origin has the Access-Control-Allow-Origin header set to www.example.com.What should the solutions architect do to resolve the error?Read More →

Which solution requires the LEAST operational overhead to create a new dataset with the added features?

2026-04-02
By:
In: MLS-C01
With: 2 Comments

A data scientist is working on a forecast problem by using a dataset that consists of .csv files that are stored in Amazon S3.The files contain a timestamp variable in the following format:March 1st, 2020, 08:14pm -There is a hypothesis about seasonal differences in the dependent variable.This number could be higher or lower for weekdays because some days and hours present varying values, so the day of the week, month, or hour could be an important factor.As a result, the data scientist needs to transform the timestamp into weekdays, month, and day as three separate variables to conduct an analysis.Which solution requires the LEAST operational overhead to create a new dataset with the added features?Read More →