Which of the following are design principles of the reliability pillar of the AWS Well-Architected Framework? (Choose two.)Read More →
An organization has configured Auto Scaling with ELB.There is a memory issue in the application which is causing CPU utilization to go above 90%.The higherCPU usage triggers an event for Auto Scaling as per the scaling policy.If the user wants to find the root cause inside the application without triggering a scaling activity, how can he achieve this?Read More →
A health care company is planning to use neural networks to classify their X-ray images into normal and abnormal classes.The labeled data is divided into a training set of 1,000 images and a test set of 200 images.The initial training of a neural network model with 50 hidden layers yielded 99% accuracy on the training set, but only 55% accuracy on the test set.What changes should the Specialist consider to solve this issue? (Choose three.)Read More →
A company is planning on deploying a newly built application on AWS in a default VPC.The application will consist of a web layer and database layer.The web server was created in public subnets, and the MySQL database was created in private subnets.All subnets are created with the default network ACL settings, and the default security group in the VPC will be replaced with new custom security groups.The following are the key requirements:✑ The web servers must be accessible only to users on an SSL connection.✑ The database should be accessible to the web layer, which is created in a public subnet only.✑ All traffic to and from the IP range 182.20.0.0/16 subnet should be blocked.Which combination of steps meets these requirements? (Choose two.)Read More →
A Database Specialist is troubleshooting an application connection failure on an Amazon Aurora DB cluster with multiple Aurora Replicas that had been running with no issues for the past 2 months.The connection failure lasted for 5 minutes and corrected itself after that.The Database Specialist reviewed the AmazonRDS events and determined a failover event occurred at that time.The failover process took around 15 seconds to complete.What is the MOST likely cause of the 5-minute connection outage?Read More →
A company is implementing an Amazon Elastic Container Service (Amazon ECS) cluster to run its workload.The company architecture will run multiple ECS services on the cluster.The architecture includes an Application Load Balancer on the front end and uses multiple target groups to route traffic.A DevOps engineer must collect application and access logs.The DevOps engineer then needs to send the logs to an Amazon S3 bucket for near-real-time analysis.Which combination of steps must the DevOps engineer take to meet these requirements? (Choose three.)Read More →
A SysOps administrator notices a scale up event for an Amazon EC2 Auto Scaling group.Amazon CloudWatch shows a spike in the RequestCount metric for the associated Application Load Balancer.The administrator would like to know the IP addresses for the source of the requests.Where can the administrator find this information?Read More →
An organization is having a VPC for the HR department, and another VPC for the Admin department.The HR department requires access to all the instances running in the Admin VPC while the Admin department requires access to all the resources in the HR department.How can the organization setup this scenario?Read More →
A company’s on-premises networks are connected to VPCs using an AWS Direct Connect gateway.The company’s on-premises application needs to stream data using an existing Amazon Kinesis Data Firehose delivery stream.The company’s security policy requires that data be encrypted in transit using a private network.How should the company meet these requirements?Read More →
A company has an on-premises website application that provides real estate information for potential renters and buyers.The website uses a Java backend and a NoSQL MongoDB database to store subscriber data.The company needs to migrate the entire application to AWS with a similar structure.The application must be deployed for high availability, and the company cannot make changes to the application.Which solution will meet these requirements?Read More →
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