Amazon Web Services spoto sure Pass Exam Sap-c02 Pdf by Milly q126 vce pdf

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Exam Name:	AWS Certified Solutions Architect - Professional
Exam Code:	SAP-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Professional
Questions:	683 Q&A's	Shared By:	milly

Question 84

A company has a payment gateway that processes millions of daily transactions on AWS. The solution uses Amazon ECS with a single Amazon EC2 instance that is not configured for auto scaling and an Amazon Aurora PostgreSQL database. All the solution ' s resources are deployed in the same Availability Zone. The company uses Amazon Route 53 to manage its domain name resolution.

The company needs to implement a new strategy to make the application more highly available.

Which solution will meet this requirement with the LEAST operational overhead?

Options:

Set up an Amazon RDS Proxy in front of the Aurora database. Modify the Aurora database to a Multi-AZ DB cluster by adding a read replica in a second Availability Zone.

Configure Amazon ECS services to distribute tasks across multiple Availability Zones. Create a cross-Region read replica of the Aurora database in a second AWS Region. Create a script to perform a manual failover process.

Configure Amazon ECS services on AWS Fargate to distribute tasks across multiple Availability Zones. Modify the Aurora database to a Multi-AZ DB cluster by adding a read replica in a second Availability Zone.

Deploy the gateway application into a second AWS Region. Migrate the Aurora database to an Aurora global database. Configure Route 53 for active-active gateway request routing.

Discussion

Answer:

Explanation:

C is correct because it converts the single–Availability Zone, single-EC2-instance ECS design into a managed, multi-AZ, self-healing architecture with minimal day-to-day operations. The current design has multiple single points of failure: one EC2 instance for ECS capacity and one Availability Zone for all components. Moving the ECS service to AWS Fargate removes the need to manage EC2 instances (capacity provisioning, patching, and scaling of the container instances) and allows the service to run tasks across multiple Availability Zones for higher availability. On the database side, modifying Aurora PostgreSQL to a Multi-AZ DB cluster (by adding a replica in another AZ) increases availability and supports faster recovery from an AZ failure with AWS-managed failover.

Why the other options are less suitable:

A: Making Aurora Multi-AZ improves database availability, but it does not address the compute layer’s biggest issue: ECS is on a single EC2 instance in one AZ with no auto scaling. RDS Proxy can help with connection management, but it does not fix the application’s single-AZ ECS single-instance availability risk.

B: Cross-Region read replicas and manual failover scripts increase operational burden. Also, it keeps ECS on EC2 (still requires instance management) and introduces a manual failover process, which is the opposite of “least operational overhead.”

D: Multi-Region active-active plus Aurora global database can deliver very high availability, but it adds significant complexity (multi-Region deployment, routing strategy, global database considerations, operational procedures). That is higher operational overhead than a straightforward multi-AZ design using managed services.

[References:, Amazon ECS Documentation: service placement across multiple Availability Zones; high availability patterns for ECS services, AWS Fargate Documentation: serverless container compute that removes the need to manage EC2 instances and supports multi-AZ task placement, Amazon Aurora PostgreSQL Documentation: Multi-AZ Aurora architecture, replicas across Availability Zones, and managed failover behavior, AWS Well-Architected Framework (Reliability Pillar): eliminating single points of failure with multi-AZ architectures and using managed services to reduce operational burden, AWS Certified Solutions Architect – Professional (SAP-C02) Exam Guide: designing highly available workloads, selecting managed services to reduce operational overhead, , , , ]

Question 85

A company has developed a web application. The company is hosting the application on a group of Amazon EC2 instances behind an Application Load Balancer. The company wants to improve the security posture of the application and plans to use AWS WAF web ACLs. The solution must not adversely affect legitimate traffic to the application.

How should a solutions architect configure the web ACLs to meet these requirements?

Options:

Set the action of the web ACL rules to Count. Enable AWS WAF logging Analyze the requests for false positives Modify the rules to avoid any false positive Over time change the action of the web ACL rules from Count to Block.

Use only rate-based rules in the web ACLs. and set the throttle limit as high as possible Temporarily block all requests that exceed the limit. Define nested rules to narrow the scope of the rate tracking.

Set the action o ' the web ACL rules to Block. Use only AWS managed rule groups in the web ACLs Evaluate the rule groups by using Amazon CloudWatch metrics with AWS WAF sampled requests or AWS WAF logs.

Use only custom rule groups in the web ACLs. and set the action to Allow Enable AWS WAF logging Analyze the requests tor false positives Modify the rules to avoid any false positive Over time, change the action of the web ACL rules from Allow to Block.

Discussion

Question 86

An online gaming company needs to rehost its gaming platform on AWS. The company ' s gaming application requires high performance computing (HPC) processing. The application has a leaderboard that updates frequently. The company uses an Amazon EC2 compute optimized instance that runs Ubuntu to host a Node.js application to display the game. The company tracks the state of the application in an on-premises Redis instance.

The company needs a migration strategy that optimizes application performance.

Which solution will meet these requirements?

Options:

Create an Auto Scaling group of memory optimized Amazon EC2 Spot Instances behind an Application Load Balancer. Use an Amazon ElastiCache (Redis OSS) cluster to maintain the leaderboard.

Create an Auto Scaling group of compute optimized Amazon EC2 Spot Instances behind an Application Load Balancer. Use an Amazon OpenSearch Service cluster to maintain the leaderboard.

Create an Auto Scaling group of compute optimized Amazon EC2 On-Demand Instances behind an Application Load Balancer. Use an Amazon ElastiCache (Redis OSS) cluster to maintain the leaderboard.

Create an Auto Scaling group of memory optimized Amazon EC2 On-Demand Instances behind an Application Load Balancer. Use an Amazon DynamoDB table to maintain the leaderboard.

Discussion

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Question 87

A company runs an unauthenticated static website (www.example.com) that includes a registration form for users. The website uses Amazon S3 for hosting and uses Amazon CloudFront as the content delivery network with AWS WAF configured. When the registration form is submitted, the website calls an Amazon API Gateway API endpoint that invokes an AWS Lambda function to process the payload and forward the payload to an external API call.

During testing, a solutions architect encounters a cross-origin resource sharing (CORS) error. The solutions architect confirms that the CloudFront distribution origin has the Access-Control-Allow-Origin header set towww.example.com.

What should the solutions architect do to resolve the error?

Options:

Change the CORS configuration on the S3 bucket. Add rules for CORS to the Allowed Origin element forwww.example.com.

Enable the CORS setting in AWS WAF. Create a web ACL rule in which the Access-Control-Allow-Origin header is set towww.example.com.

Enable the CORS setting on the API Gateway API endpoint. Ensure that the API endpoint is configured to return all responses that have the Access-Control -Allow-Origin header set towww.example.com.

Enable the CORS setting on the Lambda function. Ensure that the return code of the function has the Access-Control-Allow-Origin header set towww.example.com.