Amazon Web Services certsexpert aws Certified Associate Saa-c03 Amazon Web Services Study Notes by Ema q401 vce pdf

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Amazon Web Services SAA-C03 Exam Overview :

Exam Name:	AWS Certified Solutions Architect - Associate (SAA-C03)
Exam Code:	SAA-C03 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	879 Q&A's	Shared By:	ema

Question 204

A company hosts a public web application on AWS. The website has a three-tier architecture. The frontend web tier is comprised of Amazon EC2 instances in an Auto Scaling group. The application tier is a second Auto Scaling group. The database tier is an Amazon RDS database.

The company has configured the Auto Scaling groups to handle the application ' s normal level of demand. During an unexpected spike in demand, the company notices a long delay in the startup time when the frontend and application layers scale out. The company needs to improve the scaling performance of the application without negatively affecting the user experience.

Which solution will meet these requirements MOST cost-effectively?

Options:

Decrease the minimum number of EC2 instances for both Auto Scaling groups. Increase the desired number of instances to meet the peak demand requirement.

Configure the maximum number of instances for both Auto Scaling groups to be the number required to meet the peak demand. Create a warm pool.

Increase the maximum number of EC2 instances for both Auto Scaling groups to meet the normal demand requirement. Create a warm pool.

Reconfigure both Auto Scaling groups to use a scheduled scaling policy. Increase the size of the EC2 instance types and the RDS instance types.

Discussion

Question 205

An image-processing company has a web application that users use to upload images. The application uploads the images into an Amazon S3 bucket. The company has set up S3 event notifications to publish the object creation events to an Amazon SQS standard queue. The SQS queue serves as the event source for an AWS Lambda function that processes the images and sends the results to users through email.

Users report that they are receiving multiple email messages for every uploaded image. A solutions architect determines that SQS messages are invoking the Lambda function more than once, resulting in multiple email messages.

What should the solutions architect do to resolve this issue with the LEAST operational overhead?

Options:

Set up long polling in the SQS queue by increasing the ReceiveMessage wait time to 30 seconds.

Change the SQS standard queue to an SQS FIFO queue. Use the message deduplication ID to discard duplicate messages.

Increase the visibility timeout in the SQS queue to a value that is greater than the total of the function timeout and the batch window timeout.

Modify the Lambda function to delete each message from the SQS queue immediately after the message is read before processing.

Discussion

Question 206

A company is building a serverless application to process orders from an ecommerce site. The application needs to handle bursts of traffic during peak usage hours and to maintain high availability. The orders must be processed asynchronously in the order the application receives them.

Which solution will meet these requirements?

Options:

Use an Amazon Simple Notification Service (Amazon SNS) topic to receive orders. Use an AWS Lambda function to process the orders.

Use an Amazon Simple Queue Service (Amazon SQS) FIFO queue to receive orders. Use an AWS Lambda function to process the orders.

Use an Amazon Simple Queue Service (Amazon SQS) standard queue to receive orders. Use AWS Batch jobs to process the orders.

Use an Amazon Simple Notification Service (Amazon SNS) topic to receive orders. Use AWS Batch jobs to process the orders.

Discussion

Question 207

A company runs a web application on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer ALB. The application is served at one hostname that has two dynamic paths. The first path is named /reports and performs CPU-intensive work that has unpredictable traffic. The second path is named /generateToken and must always respond in less than 1 second. All requests currently go to a single target group. The /generateToken path latency exceeds 1 second during periods when the /reports usage is high. The company must ensure that latency for /generateToken remains under 1 second.

Which solution will meet this requirement?

Options:

Expose /generateToken through an Amazon API Gateway HTTP API that forwards the request to the existing ALB target group.

Configure ALB path-based routing to send traffic for /reports and /generateToken to separate target groups. Link each target group to its own Auto Scaling group.

Replace the current instance type with larger EC2 instances in the existing Auto Scaling group.

Deploy an Amazon CloudFront distribution in front of the ALB. Create separate cache behaviors for each path.

Discussion

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