A company is hosting a workshop for external users and wants to share the reference documents with the external users for 7 days.The company stores the reference documents in an Amazon S3 bucket that the company owns.What is the MOST secure way to share the documents with the external users?Read More →
What is the primary use case for Amazon GuardDuty?Read More →
A user has launched an EC2 instance from an instance store backed AMI.If the user restarts the instance, what will happen to the ephemeral storage data?Read More →
A data scientist needs to identify fraudulent user accounts for a company’s ecommerce platform.The company wants the ability to determine if a newly created account is associated with a previously known fraudulent user.The data scientist is using AWS Glue to cleanse the company’s application logs during ingestion.Which strategy will allow the data scientist to identify fraudulent accounts?Read More →
A solutions architect is redesigning a monolithic application to be a loosely coupled application composed of two microservices: Microservice A and MicroserviceB.Microservice A places messages in a main Amazon Simple Queue Service (Amazon SQS) queue for Microservice B to consume.When Microservice B fails to process a message after four retries, the message needs to be removed from the queue and stored for further investigation.What should the solutions architect do to meet these requirements?Read More →
A large retail company recently migrated its three-tier ecommerce applications to AWS.The company’s backend database is hosted on Amazon AuroraPostgreSQL.During peak times, users complain about longer page load times.A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events.The SQL attached to the wait events are all single INSERT statements.How should this issue be resolved?Read More →
A company recently launched an application that is more popular than expected.The company wants to ensure the application can scale to meet increasing demands and provide reliability using multiple Availability Zones (AZs).The application runs on a fleet of Amazon EC2 instances behind an Application LoadBalancer (ALB).A DevOps engineer has created an Auto Scaling group across multiple AZs for the application.Instances launched in the newly added AZs are not receiving any traffic for the application.What is likely causing this issue?Read More →
A SysOps administrator needs to provision a new fleet of Amazon EC2 Spot Instances in an Amazon EC2 Auto Scaling group.The Auto Scaling group will use a wide range of instance types.The configured fleet must come from pools that have the most availability for the number of instances that are launched.Which solution will meet these requirements?Read More →
A company is running an image-processing service in the AWS Cloud.Users upload images to an Amazon S3 bucket for processing.When an image is uploaded to the S3 bucket, several microservices that are based on AWS Lambda functions need to perform different processing tasks on the image.Each task’s processing must start immediately after an image is uploaded.Which solution will meet these requirements?Read More →
A security engineer receives an AWS abuse email message.According to the message, an Amazon EC2 instance that is running in the security engineer’s AWS account is sending phishing email messages.The EC2 instance is part of an application that is deployed in production.The application runs on many EC2 instances behind an Application Load Balancer.The instances run in an Amazon EC2 Auto Scaling group across multiple subnets and multiple Availability Zones.The instances normally communicate only over the HTTP, HTTPS, and MySQL protocols.Upon investigation, the security engineer discovers that email messages are being sent over port 587.All other traffic is normal.The security engineer must create a solution that contains the compromised EC2 instance, preserves forensic evidence for analysis, and minimizes application downtime.Which combination of steps must the security engineer take to meet these requirements? (Choose three.)Read More →
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