Which solution meets the requirements and is MOST cost-effective?

2026-04-05
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In: SAA-C02
With: 2 Comments

A solutions architect is designing the cloud architecture for a company that needs to host hundreds of machine learning models for its users.During startup, the models need to load up to 10 GB of data from Amazon S3 into memory, but they do not need disk access.Most of the models are used sporadically, but the users expect all of them to be highly available and accessible with low latency.Which solution meets the requirements and is MOST cost-effective?Read More →

Which solution meets these requirements?

2026-04-05
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In: DBS-C01
With: 2 Comments

An information management services company is storing JSON documents on premises.The company is using a MongoDB 3.6 database but wants to migrate toAWS.The solution must be compatible, scalable, and fully managed.The solution also must result in as little downtime as possible during the migration.Which solution meets these requirements?Read More →

Which solution will meet these requirements?

2026-04-05
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In: SOA-C02
With: 2 Comments

An application uses an Amazon Aurora MySQL DB cluster that includes one Aurora Replica.The application’s read performance degrades when there are more than 200 user connections.The number of user connections is approximately 180 on a consistent basis.Occasionally, the number of user connections increases rapidly to more than 200.A SysOps administrator must implement a solution that will scale the application automatically as user demand increases or decreases.Which solution will meet these requirements?Read More →

Which strategy should a solutions architect implement?

2026-04-05
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In: SAP-C01
With: 2 Comments

A company has several Amazon EC2 instances to both public and private subnets within a VPC that is not connected to the corporate network.A security group associated with the EC2 instances allows the company to use the Windows remote desktop protocol (RDP) over the internet to access the instances.The security team has noticed connection attempts from unknown sources.The company wants to implement a more secure solution to access the EC2 instances.Which strategy should a solutions architect implement?Read More →

Which combination of steps should the security engineer take to gather this information?

2026-04-05
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In: SCS-C01
With: 2 Comments

A company has a legacy application that runs on a single Amazon EC2 instance.A security audit shows that the application has been using an IAM access key within its code to access an Amazon S3 bucket that is named DOC-EXAMPLE-BUCKET1 in the same AWS account.This access key pair has the s3:GetObject permission to all objects in only this S3 bucket.The company takes the application offline because the application is not compliant with the company’s security policies for accessing other AWS resources from Amazon EC2.A security engineer validates that AWS CloudTrail is turned on in all AWS Regions.CloudTrail is sending logs to an S3 bucket that is named DOC-EXAMPLE-BUCKET2.This S3 bucket is in the same AWS account as DOC-EXAMPLE-BUCKET1.However, CloudTrail has not been configured to send logs to Amazon CloudWatch Logs.The company wants to know if any objects in DOC-EXAMPLE-BUCKET1 were accessed with the IAM access key in the past 60 days.If any objects were accessed, the company wants to know if any of the objects that are text files (.txt extension) contained personally identifiable information (PII).Which combination of steps should the security engineer take to gather this information? (Choose two.)Read More →

What is the MOST secure way to pass these credentials to the Lambda function?

2026-04-05
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In: DVA-C01
With: 2 Comments

A company is using Amazon OpenSearch Service to implement an audit monitoring system.A developer needs to create an AWS CloudFormation custom resource that is associated with an AWS Lambda function to configure the OpenSearch Service domain.The Lambda function must access the OpenSearch Service domain by using OpenSearch Service internal master user credentials.What is the MOST secure way to pass these credentials to the Lambda function?Read More →

Which option meets these requirements with the LEAST operational overhead?

2026-04-05
By:
In: MLS-C01
With: 2 Comments

A data scientist is working on a model to predict a company’s required inventory stock levels.All historical data is stored in .csv files in the company’s data lake on Amazon S3.The dataset consists of approximately 500 GB of data The data scientist wants to use SQL to explore the data before training the model.The company wants to minimize costs.Which option meets these requirements with the LEAST operational overhead?Read More →

How should the solutions architect reconfigure the architecture to resolve this issue?

2026-04-05
By:
In: SAA-C02
With: 2 Comments

A company runs a web application on Amazon EC2 instances in multiple Availability Zones.The EC2 instances are in private subnets.A solutions architect implements an internet-facing Application Load Balancer (ALB) and specifies the EC2 instances as the target group.However, the internet traffic is not reaching the EC2 instances.How should the solutions architect reconfigure the architecture to resolve this issue?Read More →