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Free SAA-C02 Exam Braindumps (page: 6)

Page 6 of 161
PDF with 710 Questions

The application's traffic is often low. but it occasionally grows significantly. During these sudden increases in traffic, DynamoDB returns throttling errors. The result is that error pages are displayed to end users.

What should a solutions architect do to reduce these errors?

  1. Change the DynamoDB table to use on-demand capacity mode.
  2. Create a DynamoDB read replica to scale the read traffic horizontally.
  3. Purchase DynamoDB reserved capacity of 1,000 RCUs and 500 WCUs.
  4. Configure the application to use strongly consistent reads for DynamoDB queries.

Answer(s): D



A solutions architect must design a highly available infrastructure for a website. The website is powered by Windows web servers that run on Amazon EC2 instances. The solutions architect must implement a solution that can mitigate a large-scale DDoS attack that originates from thousands of IP addresses. Downtime is not acceptable for the website.

Which actions should the solutions architect take to protect the website from such an attack? (Select TWO.)

  1. Use AWS Shield Advanced to stop the DDoS attack.
  2. Configure Amazon GuardDuty to automatically block the attackers.
  3. Configure the website to use Amazon CloudFront for both static and dynamic content.
  4. Use an AWS Lambda function to automatically add attacker IP addresses to VPC network ACLs.
  5. Use EC2 Spot Instances in an Auto Scaling group with a target tracking scaling policy that is set to 80% CPU utilization.

Answer(s): A,D



A company hosts an application on AWS. The application interacts with an Amazon DynamoDB table that has 10 read capacity units (RCUs) Data from Amazon CloudWatch alarms shows that throttling is occurring on read requests to the DynamoDB table. The company needs to prevent this issue from happening in the future as the application continues to grow.
What should a solutions architect recommend to meet these requirements?

  1. Add an Elastic Load Balancer in front of the DynamoDB table.
  2. Change the RCUs for the DynamoDB table to 20.
  3. Provision 20 write capacity units (WCUs) for the DynamoDB table to offset the throttling on read requests.
  4. Enable auto scaling for the DynamoDB table.

Answer(s): D



A company's security team requests that network traffic be captured in VPC Flow Logs The logs will be frequently accessed for 90 days and then accessed intermittently What should a solutions architect do to meet these requirements when configuring the logs?

  1. Use Amazon CloudWatch as the target. Set the CloudWatch log group with an expiration of 90 days.
  2. Use Amazon Kinesis as the target Configure the Kinesis stream to always retain the logs for 90 days.
  3. Use AWS CloudTrail as the target. Configure CloudTrail to save to an Amazon S3 bucket, and enable S3 Intelligent-Tiering.
  4. Use Amazon S3 as the target Enable an S3 Lifecycle policy to transition the logs to S3 Standard-Infrequent Access (S3 Standard-IA) after 90 days.

Answer(s): A



Page 6 of 161



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