A company runs an application on Amazon EC2 instances that are in an Amazon EC2 Auto Scaling group.Scale-out actions take a long time to become complete because of long-running boot scripts.A SysOps administrator must implement a solution to reduce the required time for scale-out actions without overprovisioning the Auto Scaling group.Which solution will meet these requirements?Read More →
A retail company processes point-of-sale data on application servers in its data center and writes outputs to an Amazon DynamoDB table.The data center is connected to the company’s VPC with an AWS Direct Connect (DX) connection, and the application servers require a consistent network connection at speeds greater than 2 Gbps.The company decides that the DynamoDB table needs to be highly available and fault tolerant.The company policy states that the data should be available across two regions.What changes should the company make to meet these requirements?Read More →
A company has an application on Amazon EC2 instances that store confidential customer data.The company must restrict access to customer data.A security engineer requires secure access to the instances that host the application.According to company policy, users must not open any inbound ports, maintain bastion hosts, or manage SSH keys for the EC2 instances.The security engineer wants to monitor, store, and access all session activity logs.The logs must be encrypted.Which solution will meet these requirements?Read More →
A company wants to replicate existing and ongoing data changes from an on-premises Oracle database to Amazon RDS for Oracle.The amount of data to replicate varies throughout each day.The company wants to use AWS Database Migration Service (AWS DMS) for data replication.The solution must allocate only the capacity that the replication instance requires.Which solution will meet these requirements?Read More →
A company has deployed an Amazon Connect contact center.Contact center agents are reporting large numbers of computer-generated calls.The company is concerned about the cost and productivity effects of these calls.The company wants a solution that will allow agents to flag the call as spam and automatically block the numbers from going to an agent in the future.What is the MOST operationally efficient solution to meet these requirements?Read More →
A developer is working on a web application that runs on Amazon Elastic Container Service (Amazon ECS) and uses an Amazon DynamoDB table to store data.The application performs a large number of read requests against a small set of the table data.How can the developer improve the performance of these requests? (Choose two.)Read More →
Which pillar of the AWS Well-Architected Framework focuses on the return on investment of moving into the AWS Cloud?Read More →
You are setting up security groups for both incoming traffic and outgoing traffic in your VPC net-work on the AWS CLI.Which of the following AWS CLI commands would you use for adding one or more incoming traffic rules to a security group?Read More →
A machine learning (ML) specialist must develop a classification model for a financial services company.A domain expert provides the dataset, which is tabular with 10,000 rows and 1,020 features.During exploratory data analysis, the specialist finds no missing values and a small percentage of duplicate rows.There are correlation scores of > 0.9 for 200 feature pairs.The mean value of each feature is similar to its 50th percentile.Which feature engineering strategy should the ML specialist use with Amazon SageMaker?Read More →
A company requires a durable backup storage solution for its on-premises database servers while ensuring on-premises applications maintain access to these backups for quick recovery.The company will use AWS storage services as the destination for these backups.A solutions architect is designing a solution with minimal operational overhead.Which solution should the solutions architect implement?Read More →
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