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[Hardware] AWS-Solutions-Architect-Professional Latest Exam Preparation - AWS-Solutions-Arc

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【Hardware】 AWS-Solutions-Architect-Professional Latest Exam Preparation - AWS-Solutions-Arc

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The AWS Certified Solutions Architect - Professional certification is a highly respected and sought-after certification that validates an individual's advanced expertise in AWS architecture and design. It is an essential certification for individuals who wish to demonstrate their expertise in designing and deploying scalable, highly available, and fault-tolerant systems on the AWS platform.
Understanding functional and technical aspects of AWS Solutions Architect Professional Exam Cost ControlThe following will be discussed in AWS SOLUTIONS ARCHITECT PROFESSIONAL exam dumps:
  • Identify opportunities to reduce cost in an existing solution
  • Select a cost-effective pricing model for a solution
  • Determine which controls to design and implement that will ensure cost optimization
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Amazon AWS Certified Solutions Architect - Professional Sample Questions (Q348-Q353):NEW QUESTION # 348
A company's interactive web application uses an Amazon CloudFront distribution to serve images from an Amazon S3 bucket. Occasionally, third-party tools ingest corrupted images into the S3 bucket. This image corruption causes a poor user experience in the application later. The company has successfully implemented and tested Python logic to detect corrupt images.
A solutions architect must recommend a solution to integrate the detection logic with minimal latency between the ingestion and serving.
Which solution will meet these requirements?
  • A. Use an S3 event notification that invokes an AWS Step Functions state machine.
  • B. Use a Lambda@Edge function that is invoked by an origin-response event.
  • C. Use a Lambda@Edge function that is invoked by a viewer-response event.
  • D. Use an S3 event notification that invokes an AWS Lambda function.
Answer: B
Explanation:
Explanation
This solution will allow the detection logic to be run as soon as the image is uploaded to the S3 bucket, before it is served to users via the CloudFront distribution. This way, the detection logic can quickly identify any corrupted images and prevent them from being served to users, minimizing latency between ingestion and serving.

NEW QUESTION # 349
A company is using AWS Organizations to manage 15 AWS accounts. A solutions architect wants to run advanced analytics on the company's cloud expenditures. The cost data must be gathered and made available from an analytics account. The analytics application runs in a VPC and must receive the raw cost data each night to run the analytics.
The solution architect has decided to use the Cost Explorer API to fetch the raw data and store the data in Amazon S3 in Json format. Access to the raw cost data must be restricted to the analytics application. The solution architect has already created an AWS Lambda function to collect data by the using the Cost Explorer API.
Which additional actions should the solutions architect take to meet these requirements?
  • A. Create an IAM role in the analytics account with permissions to use the Cost Explorer API. Update the Lambda function and assign the new role. Create a gateway endpoint for Amazon S3 in the analytics VPC. Create an S3 bucket policy that allows access from the analytics VPC by using the aws SourceVPC condition
  • B. Create an IAM role in the analytics account with permissions to use the Cost Explorer API. Update the Lambda function and assign the new role. Create an interface endpoint for Amazon S3 in the analytics VPC. Create an S3 bucket policy that allows only from the S3 endpoint.
  • C. Create an IAM role in the Organizations master account with permissions to use the Cost Explorer API, and establish trust between the role and the analytics account. Update the Lambda function role and add sts AssumeRole permissions. Assume the role in the master account from the Lambda function code by usinf the AWS security Token Service (AWS STS) AssumeRole API call. Create a gateway-endpoint for Amazon S3 in the analytics VPC. Create an S3 bucket policy that allows access only from S3 endpoint.
  • D. Create an IAM role in the Organizations master account with permissions to use the Cost Explorer API, and establish trust between the role and the analytics account. Update the Lambda function role and add sts AssumeRole permissions. Assume the role in the master account from the Lambda function code by using the AWS security Token Service (AWS STS) AssumeRole API call. Create an interface endpoint for Amazon S3 in the analytics VPC. Create an S3 bucket policy that allows access only from the analytics VPC private CIDR range by using the aws SourceIp condition.
Answer: D

NEW QUESTION # 350
A company operates a group of imaging satellites. The satellites stream data to one of the company's ground stations where processing creates about 5 GB of images per minute. This data is added to network-attached storage, where 2 PB of data are already stored.
The company runs a website that allows its customers to access and purchase the images over the Internet. This website is also running in the ground station. Usage analysis shows that customers are most likely to access images that have been captured in the last 24 hours.
The company would like to migrate the image storage and distribution system to AWS to reduce costs and increase the number of customers that can be served.
Which AWS architecture and migration strategy will meet these requirements?
  • A. Use multiple Snowball appliances to migrate the existing images to an Amazon EFS file system.
    Create a 1-Gb Direct Connect connection from the ground station to AWS, and upload new data by mounting the EFS file system over the Direct Connect connection. Migrate the data distribution website to EC2 instances. By using webservers in EC2 that mount the EFS file system as the origin, have this website serve the data through CloudFront by creating signed URLs.
  • B. Use multiple AWS Snowball appliances to migrate the existing imagery to Amazon S3. Create a
    1-Gb AWS Direct Connect connection from the ground station to AWS, and upload new data to Amazon S3 through the Direct Connect connection. Migrate the data distribution website to Amazon EC2 instances. By using Amazon S3 as an origin, have this website serve the data through Amazon CloudFront by creating signed URLs.
  • C. Use multiple Snowball appliances to migrate the existing images to Amazon S3. Upload new data by regularly using Snowball appliances to upload data from the network-attached storage. Migrate the data distribution website to EC2 instances. By using Amazon S3 as an origin, have this website serve the data through CloudFront by creating signed URLs.
  • D. Create a 1-Gb Direct Connect connection from the ground station to AWS. Use the AWS Command Line Interface to copy the existing data and upload new data to Amazon S3 over the Direct Connect connection. Migrate the data distribution website to EC2 instances. By using Amazon S3 as an origin, have this website serve the data through CloudFront by creating signed URLs.
Answer: B
Explanation:
B: This will take too long.
C: The users will not be able to access the data in the last 24 hours this way.
D: Although EFS would work and it has higher performance, it's almost 10x more expensive then S3 and hence does not meet the criteria of reducing cost.

NEW QUESTION # 351
A company operates a proxy server on a fleet of Amazon EC2 instances. Partners in different countries use the proxy server to test the company's functionality. The EC2 instances are running in a VPC. and the instances have access to the internet.
The company's security policy requires that partners can access resources only from domains that the company owns.
Which solution will meet these requirements?
  • A. Create an Amazon Route 53 Resolver DNS Firewall domain list that contains the allowed domains.
    Configure a Route 53 outbound endpoint. Associate the outbound endpoint with the VPC. Associate the domain list with the outbound endpoint.
  • B. Create an Amazon Route 53 outbound endpoint. Associate the outbound endpoint with the VPC.
    Configure a Route 53 traffic flow policy to forward requests for allowed domains to the outbound endpoint. Associate the traffic flow policy with the VPC.
  • C. Create an Amazon Route 53 Resolver DNS Firewall domain list that contains the allowed domains.
    Configure a DNS Firewall rule group with a rule that has a high numeric value that blocks all requests.
    Configure a rule that has a low numeric value that allows requests for domains in the allowed list.
    Associate the rule group with the VPC.
  • D. Create an Amazon Route 53 traffic flow policy to match the allowed domains. Configure the traffic flow policy to forward requests that match to the Route 53 Resolver. Associate the traffic flow policy with the VPC.
Answer: B
Explanation:
Explanation
AWS documentation on how to use a traffic flow policy for Amazon Route 53 to control traffic to your Amazon EC2 instances: https://docs.aws.amazon.com/Rout ... r-ec2-instances.htm

NEW QUESTION # 352
How does in-memory caching improve the performance of applications in ElastiCache?
  • A. It improves application performance by deleting the requests that do not contain frequently accessed
    data.
  • B. It improves application performance by implementing good database indexing strategies.
  • C. It improves application performance by storing critical pieces of data in memory for low-latency access.
  • D. It improves application performance by using a part of instance RAM for caching important data.
Answer: C
Explanation:
In Amazon ElastiCache, in-memory caching improves application performance by storing critical pieces of
data in memory for low-latency access. Cached information may include the results of I/O-intensive
database queries or the results of computationally intensive calculations.
Reference: http://aws.amazon.com/elasticache/faqs/#g4

NEW QUESTION # 353
......
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