A system admin is planning to encrypt all objects being uploaded to S3 from an application.The system admin does not want to implement his own encryption algorithm; instead he is planning to use server side encryption by supplying his own key (SSE-C).Which parameter is not required while making a call for SSE-C?Read More →
A Machine Learning Specialist previously trained a logistic regression model using scikit-learn on a local machine, and the Specialist now wants to deploy it to production for inference only.What steps should be taken to ensure Amazon SageMaker can host a model that was trained locally?Read More →
A company has one million users that use its mobile app.The company must analyze the data usage in near-real time.The company also must encrypt the data in near-real time and must store the data in a centralized location in Apache Parquet format for further processing.Which solution will meet these requirements with the LEAST operational overhead?Read More →
A company is migrating a mission-critical 2-TB Oracle database from on premises to Amazon Aurora.The cost for the database migration must be kept to a minimum, and both the on-premises Oracle database and the Aurora DB cluster must remain open for write traffic until the company is ready to completely cut over to Aurora.Which combination of actions should a database specialist take to accomplish this migration as quickly as possible? (Choose two.)Read More →
A company hosts a static website on Amazon S3.The website is served by an Amazon CloudFront distribution with a default TTL of 86,400 seconds.The company recently uploaded an updated version of the website to Amazon S3.However, users still see the old content when they refresh the site.A SysOps administrator must make the new version of the website visible to users as soon as possible.Which solution meets these requirements?Read More →
An external audit of a company’s serverless application reveals IAM policies that grant too many permissions.These policies are attached to the company’s AWS Lambda execution roles.Hundreds of the company’s Lambda functions have broad access permissions, such as full access to Amazon S3 buckets and Amazon DynamoDB tables.The company wants each function to have only the minimum permissions that the function needs to complete its task.A solutions architect must determine which permissions each Lambda function needs.What should the solutions architect do to meet this requirement with the LEAST amount of effort?Read More →
A company needs to provide digital evidence to a security engineer for analysis.The evidence must be encrypted and the immutability of the source data must be maintained.What is the MOST secure solution that meets these requirements?Read More →
A user has configured an Auto Scaling group with ELB.The user has enabled detailed CloudWatch monitoring on Elastic Load balancing.Which of the below mentioned statements will help the user understand this functionality better?Read More →
A credit card company wants to build a credit scoring model to help predict whether a new credit card applicant will default on a credit card payment.The company has collected data from a large number of sources with thousands of raw attributes.Early experiments to train a classification model revealed that many attributes are highly correlated, the large number of features slows down the training speed significantly, and that there are some overfitting issues.The Data Scientist on this project would like to speed up the model training time without losing a lot of information from the original dataset.Which feature engineering technique should the Data Scientist use to meet the objectives?Read More →
A company has a Windows-based application that must be migrated to AWS.The application requires the use of a shared Windows file system attached to multiple Amazon EC2 Windows instances that are deployed across multiple Availability Zones.What should a solutions architect do to meet this requirement?Read More →
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