A company hosts its web application on AWS using seven Amazon EC2 instances.The company requires that the IP addresses of all healthy EC2 instances be returned in response to DNS queries.Which policy should be used to meet this requirement?Read More →
A company runs an ecommerce web application on AWS. The web application is hosted as a static website on Amazon S3 with Amazon CloudFront for content delivery. An Amazon APIGateway API invokes AWS Lambda functions to handle user requests and order processing for the web application The Lambda functions store data in an Amazon ROS for MySQL DB cluster that uses On-Demand instances. The DB cluster usage has been consistent in the past 12 months.Recently, the website has experienced SQL injection and web exploit attempts. Customers also report that order processing time has increased during periods of peak usage. During these periods, the Lambda functions often have cold starts. As the company grows, the company needs to ensure scalability and low-latency access during traffic peaks. The company also must optimize the database costs and add protection against the SQL injection and web exploit attempts.Which solution will meet these requirements?Read More →
A gaming website gives users the ability to trade game items with each other on the platform.The platform requires both users’ records to be updated and persisted in one transaction.If any update fails, the transaction must roll back.Which AWS solution can provide the transactional capability that is required for this feature?Read More →
Which AWS benefit enables users to deploy cloud infrastructure that consists of multiple geographic regions connected by a network with low latency, high throughput, and redundancy?Read More →
A company is developing an internal application that uses a PostgreSQL database.The company decides to host the database on Amazon Aurora.The application does not need to be highly available, but data must be stored in multiple Availability Zones.Which database configuration meets these requirements MOST cost-effectively?Read More →
A company is using Amazon DynamoDB.Which task is the company’s responsibility, according to the AWS shared responsibility model?Read More →
A developer is building a serverless application by using AWS Serverless Application Model (AWS SAM) on multiple AWS Lambda functions.When the application is deployed, the developer wants to shift 10% of the traffic to the new deployment of the application for the first 10 minutes after deployment.If there are no issues, all traffic must switch over to the new version.Which change to the AWS SAM template will meet these requirements?Read More →
A company sends its AWS Network Firewall flow logs to an Amazon S3 bucket.The company then analyzes the flow logs by using Amazon Athena.The company needs to transform the flow logs and add additional data before the flow logs are delivered to the existing S3 bucket.Which solution will meet these requirements?Read More →
A SysOps administrator is preparing to deploy an application to Amazon EC2 instances that are in an Auto Scaling group.The application requires dependencies to be installed.Application updates are issued weekly.The SysOps administrator needs to implement a solution to incorporate the application updates on a regular basis.The solution also must conduct a vulnerability scan during Amazon Machine Image (AMI) creation.What is the MOST operationally efficient solution that meets these requirements?Read More →
A customer is deploying an SSL enabled web application to AWS and would like to implement a separation of roles between the EC2 service administrators that are entitled to login to instances as well as making API calls and the security officers who will maintain and have exclusive access to the application’s X.509 certificate that contains the private key.Read More →
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