A system admin is planning to setup event notifications on RDS.Which of the below mentioned services will help the admin setup notifications?Read More →
A web-based company wants to improve its conversion rate on its landing page.Using a large historical dataset of customer visits, the company has repeatedly trained a multi-class deep learning network algorithm on Amazon SageMaker.However, there is an overfitting problem: training data shows 90% accuracy in predictions, while test data shows 70% accuracy only.The company needs to boost the generalization of its model before deploying it into production to maximize conversions of visits to purchases.Which action is recommended to provide the HIGHEST accuracy model for the company’s test and validation data?Read More →
A company wants to migrate its accounting system from an on-premises data center to the AWS Cloud in a single AWS Region.Data security and an immutable audit log are the top priorities.The company must monitor all AWS activities for compliance auditing.The company has enabled AWS CloudTrail but wants to make sure it meets these requirements.Which actions should a solutions architect take to protect and secure CloudTrail? (Choose two.)Read More →
A company is running an on-premises application comprised of a web tier, an application tier, and a MySQL database tier.The database is used primarily during business hours with random activity peaks throughout the day.A database specialist needs to improve the availability and reduce the cost of the MySQL database tier as part of the company’s migration to AWS.Which MySQL database option would meet these requirements?Read More →
A company is using AWS CodeDeploy to automate software deployment.The deployment must meet these requirements:• A number of instances must be available to serve traffic during the deployment.Traffic must be balanced across those instances, and the instances must automatically heal in the event of failure.• A new fleet of instances must be launched for deploying a new revision automatically, with no manual provisioning.• Traffic must be rerouted to the new environment to half of the new instances at a time.The deployment should succeed if traffic is rerouted to at least half of the instances; otherwise, it should fail.• Before routing traffic to the new fleet of instances, the temporary files generated during the deployment process must be deleted.• At the end of a successful deployment, the original instances in the deployment group must be deleted immediately to reduce costs.How can a DevOps engineer meet these requirements?Read More →
A SysOps administrator maintains the security and compliance of a company’s AWS account.To ensure the company’s Amazon EC2 instances are following company policy, a SysOps administrator wants to terminate any EC2 instance that do not contain a department tag.Noncompliant resources must be terminated in near-real time.Which solution will meet these requirements?Read More →
A Solutions Architect has created an AWS CloudFormation template for a three-tier application that contains an Auto Scaling group of Amazon EC2 instances running a custom AMI.The Solutions Architect wants to ensure that future updates to the custom AMI can be deployed to a running stack by first updating the template to refer to the newAMI, and then invoking UpdateStack to replace the EC2 instances with instances launched from the new AMI.How can updates to the AMI be deployed to meet these requirements?Read More →
An organization policy states that all encryption keys must be automatically rotated every 12 months.Which AWS Key Management Service (KMS) key type should be used to meet this requirement?Read More →
A developer is writing a mobile application that allows users to view images from an S3 bucket.The users must be able to log in with their Amazon login, as well as supported social media accounts.How can the developer provide this authentication functionality?Read More →
A company manages global applications that require static IP addresses.Which AWS service would enable the company to improve the availability and performance of its applications?Read More →
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