A company hosts an application used to upload files to an Amazon S3 bucket Once uploaded, the files are processed to extract metadata, which takes less than 5 seconds. The volume and frequency of the uploads vanes from a few files each hour to hundreds of concurrent uploads. The company has asked a solutions architect to design a cost effective architecture that will meet these requirements.
What should the solutions architect recommend?

• A.Configure an Amazon Simple Notification Service (Amazon SNS) topic to process the files uploaded to Amazon S3. Invoke an AWS Lambda function to process the files.
• B.Configure AWS CloudTrail trails to log S3 API calls Use AWS AppSync to process the files
• C.Configure Amazon Kinesis Data Streams to process and send data to Amazon S3 Invoke an AWS Lambda function to process the files
• D.Configure an object-created event notification within the S3 bucket to invoke an AWS Lambda function to process the files.

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A medical records company is hosting an application on Amazon EC2 instances. The application processes customer data files that are stored on Amazon S3. The EC2 instc The EC2 instances access Amazon S3 over the internet, but they do not require any other network access.
A new requirement mandates that the network traffic for file transfers take a private route and not be sent over the internet.
Which change to the network architecture should a solutions architect recommend to meet this requirement?

• A.Create a NAT gateway. Configure the route table for the public subnets to send traffic to Amazon S3 through the NAT gateway.
• B.Remove the internet gateway from the VPC. Set up an AWS Direct Connect connection, and route traffic to Amazon S3 over the Direct Connect connection.
• C.Configure the security group for the EC2 instances to restrict outbound traffic so that only traffic to the S3 prefix list is permitted.
• D.Move the EC2 instances to private subnets. Create a VPC endpoint for Amazon S3, and link the endpoint to the route table for the private subnets.

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A solutions architect plans to migrate a load balancer tier from a data center to AWS. Several websites have multiple domains that require secure load balancing. The architect decides to use Elastic Load balancing application load Balancers.
What is the most efficient method for achieving secure communication?

• A.let a third-party certificate manager manage certificates required to all domains and upload them to the application load balancer.
• B.Create secondary proxy server to terminate SSL traffic before the traffic reaches the application load Balancer.
• C.Create a wildcard certificate and upload it to the application load balancer.
• D.Create an SNI certificate and upload it to the application load balancer.

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A company runs a high performance computing (HPC) workload on AWS. The workload required low-latency network performance and high network throughput with tightly coupled node-to-node communication. The Amazon EC2 instances are properly sized for compute and storage capacity, and are launched using default options.
What should a solutions architect propose to improve the performance of the workload'?

• A.Choose an Elastic Inference accelerator while launching Amazon EC2 instances
• B.Choose the required capacity reservation while launching Amazon EC2 instances.
• C.Choose a cluster placement group while launching Amazon EC2 instances
• D.Choose dedicated instance tenancy while launching Amazon EC2 instances

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Your Amazon EC2 instances must access the AWS API, so you created a NAT gateway in an existing subnet. When you try to access the AWS API, you are unsuccessful.
What could be preventing access?

• A.The instances are not in the same subnet as the NAT gateway
• B.The NAT gateway does not have a route to the virtual private gateway
• C.The instances need an IAM role granting access to the NAT gateway
• D.The NAT gateway subnet does not have a route to an Internet gateway

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