An ecommerce company has observed that customers who use the company’s website rarely view items that the website recommends to customers.The company wants to recommend items to customers that customers are more likely to want to purchase.Which solution will meet this requirement in the SHORTEST amount of time?Read More →
According to the shared responsibility model, for which of the following Amazon EC2 activities is AWS responsible? (Choose two.)Read More →
A developer is deploying Amazon Cognito as part of a new application.The Amazon Cognito user pool domain’s hosted UI must match the application’s deployed domain.DNS records must be updated appropriately.What should the developer do to meet these requirements?Read More →
A company has a security team that manages its AWS Key Management Service (AWS KMS) CMKs.Members of the security team must be the only ones to administer the CMKs.The company’s application team has a software process that needs temporary access to the CMKS occasionally.The security team must provide the application team’s software process access to the CMKs.Which solution meets these requirements with the LEAST overhead?Read More →
A company has multiple AWS accounts hosting IT applications.An Amazon CloudWatch Logs agent is installed on all Amazon EC2 instances.The company wants to aggregate all security events in a centralized AWS account dedicated to log storage.Security Administrators need to perform near-real-time gathering and correlating of events across multiple AWS accounts.Which solution satisfies these requirements?Read More →
A company hosts a web application on Amazon EC2 instances behind an Application Load Balancer.The instances are in an Amazon EC2 Auto Scaling group.The application is accessed with a public URL.A SysOps administrator needs to implement a monitoring solution that checks the availability of the application and follows the same routes and actions as a customer.The SysOps administrator must receive a notification if less than 95% of the monitoring runs find no errors.Which solution will meet these requirements?Read More →
A company needs to implement a robust CI/CD pipeline to automate the deployment of an application in AWS.The pipeline must support continuous integration, continuous delivery, and automatic rollback upon deployment failure.The entire CI/CD pipeline must be capable of being re-provisioned in alternate AWS accounts or Regions within minutes.A DevOps engineer has already created an AWS CodeCommit repository to store the source code.Which combination of actions should be taken when building this pipeline to meet these requirements? (Choose three.)Read More →
A company has deployed an application that uses an Amazon RDS for MySQL DB cluster.The DB cluster uses three read replicas.The primary DB instance is an8XL-sized instance, and the read replicas are each XL-sized instances.Users report that database queries are returning stale data.The replication lag indicates that the replicas are 5 minutes behind the primary DB instance.Status queries on the replicas show that the SQL_THREAD is 10 binlogs behind the IO_THREAD and that the IO_THREAD is 1 binlog behind the primary.Which changes will reduce the lag? (Choose two.)Read More →
A transaction processing company has weekly scripted batch jobs that run on Amazon EC2 instances.The EC2 instances are in an Auto Scaling group.The number of transactions can vary, but the baseline CPU utilization that is noted on each run is at least 60%.The company needs to provision the capacity 30 minutes before the jobs run.Currently, engineers complete this task by manually modifying the Auto Scaling group parameters.The company does not have the resources to analyze the required capacity trends for the Auto Scaling group counts.The company needs an automated way to modify the Auto Scaling group’s desired capacity.Which solution will meet these requirements with the LEAST operational overhead?Read More →
A data engineer at a bank is evaluating a new tabular dataset that includes customer data.The data engineer will use the customer data to create a new model to predict customer behavior.After creating a correlation matrix for the variables, the data engineer notices that many of the 100 features are highly correlated with each other.Which steps should the data engineer take to address this issue? (Choose two.)Read More →
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