`Which combination of actions should the Database Specialist take to troubleshoot the problem?

2025-09-30
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In: DBS-C01
With: 1 Comment

A Database Specialist is creating a new Amazon Neptune DB cluster, and is attempting to load data from Amazon S3 into the Neptune DB cluster using theNeptune bulk loader API.The Database Specialist receives the following error:`Unable to connect to s3 endpoint.Provided source = s3://mybucket/graphdata/ and region = us-east-1.Please verify yourS3 configuration.`Which combination of actions should the Database Specialist take to troubleshoot the problem? (Choose two.)Read More →

Which architecture would meet these requirements at the LOWEST cost?

2025-09-30
By:
In: SAA-C02
With: 1 Comment

A solutions architect is designing a multi-Region disaster recovery solution for an application that will provide public API access.The application will use AmazonEC2 instances with a userdata script to load application code and an Amazon RDS for MySQL database.The Recovery Time Objective (RTO) is 3 hours and theRecovery Point Objective (RPO) is 24 hours.Which architecture would meet these requirements at the LOWEST cost?Read More →

Which modeling approach will deliver the MOST accurate prediction of product quality?

2025-09-30
By:
In: MLS-C01
With: 1 Comment

A manufacturing company has a production line with sensors that collect hundreds of quality metrics.The company has stored sensor data and manual inspection results in a data lake for several months.To automate quality control, the machine learning team must build an automated mechanism that determines whether the produced goods are good quality, replacement market quality, or scrap quality based on the manual inspection results.Which modeling approach will deliver the MOST accurate prediction of product quality?Read More →

Which solution meets these criteria?

2025-09-30
By:
In: SCS-C01
With: 1 Comment

A security engineer must use AWS Key Management Service (AWS KMS) to design a key management solution for a set of Amazon Elastic Block Store (AmazonEBS) volumes that contain sensitive data.The solution needs to ensure that the key material automatically expires in 90 days.Which solution meets these criteria?Read More →

What should the solutions architect recommend to meet these requirements?

2025-09-30
By:
In: SAP-C01
With: 1 Comment

A solutions architect is auditing the security setup of an AWS Lambda function for a company.The Lambda function retrieves the latest changes from an Amazon Aurora database.The Lambda function and the database run in the same VPC.Lambda environment variables are providing the database credentials to the Lambda function.The Lambda function aggregates data and makes the data available in an Amazon S3 bucket that is configured for server-side encryption with AWS KMS managed encryption keys (SSE-KMS).The data must not travel across the internet.If any database credentials become compromised, the company needs a solution that minimizes the impact of the compromise.What should the solutions architect recommend to meet these requirements?Read More →

Which solution meets these requirements?

2025-09-30
By:
In: DBS-C01
With: 1 Comment

A software development company is using Amazon Aurora MySQL DB clusters for several use cases, including development and reporting.These use cases place unpredictable and varying demands on the Aurora DB clusters, and can cause momentary spikes in latency.System users run ad-hoc queries sporadically throughout the week.Cost is a primary concern for the company, and a solution that does not require significant rework is needed.Which solution meets these requirements?Read More →

Which Amazon EC2 pricing option is the MOST cost-effective?

2025-09-30
By:
In: SAA-C02
With: 1 Comment

A company is planning to migrate a commercial off-the-shelf application from its on-premises data center to AWS.The software has a software licensing model using sockets and cores with predictable capacity and uptime requirements.The company wants to use its existing licenses, which were purchased earlier this year.Which Amazon EC2 pricing option is the MOST cost-effective?Read More →

Which type of ML algorithm will meet these requirements?

2025-09-30
By:
In: MLS-C01
With: 1 Comment

A data scientist wants to build a financial trading bot to automate investment decisions.The financial bot should recommend the quantity and price of an asset to buy or sell to maximize long-term profit.The data scientist will continuously stream financial transactions to the bot for training purposes.The data scientist must select the appropriate machine learning (ML) algorithm to develop the financial trading bot.Which type of ML algorithm will meet these requirements?Read More →