SAP-C02 Exam Dumps - AWS Certified Solutions Architect - Professional

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Question # 9

A multi-tenant software as a service (SaaS) customer support platform serves thousands of enterprise clients. The platform must deploy more than 5,000 customized models that use the same ML framework to classify tickets, optimize inference infrastructure costs, and maintain sub-200 ms latency. The platform must operate in a multiaccount AWS architecture that includes separate accounts for development, staging, and production environments.

Which solution will meet these requirements MOST cost-effectively?

Deploy each model to a dedicated Amazon SageMaker AI real-time endpoint. Provision ml.g5.xlarge instances to handle peak traffic. Use cross-account IAM roles to grant AWS accounts access to model artifacts.

Deploy models by using Amazon SageMaker AI multi-model endpoints with inference components. Enable auto scaling in a centralized production account.

Deploy models to individual Amazon SageMaker AI serverless inference endpoints. Configure auto scaling. Deploy the endpoints in separate AWS accounts for each environment. Use cross-account Amazon S3 bucket policies to share models.

Deploy models to Amazon SageMaker AI asynchronous inference endpoints. Use Amazon S3 to queue requests from multiple accounts. Use batch transform jobs to perform offline processing.

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Question # 10

A company needs to architect a hybrid DNS solution. This solution will use an Amazon Route 53 private hosted zone for the domain cloud.example.com for the resources stored within VPCs.

The company has the following DNS resolution requirements:

â€¢ On-premises systems should be able to resolve and connect to cloud.example.com.

â€¢ All VPCs should be able to resolve cloud.example.com.

There is already an AWS Direct Connect connection between the on-premises corporate network and AWS Transit Gateway. Which architecture should the company use to meet these requirements with the HIGHEST performance?

Associate the private hosted zone to all the VPCs. Create a Route 53 inbound resolver in theshared services VPC. Attach all VPCs to the transit gateway and create forwarding rules in the on-premises DNS server for cloud.example.com that point to the inbound resolver.

Associate the private hosted zone to all the VPCs. Deploy an Amazon EC2 conditional forwarder in the shared services VPC. Attach all VPCs to the transit gateway and create forwarding rules in the on-premises DNS server for cloud.example.com that point to the conditional forwarder.

Associate the private hosted zone to the shared services VPC. Create a Route 53 outbound resolver in the shared services VPC. Attach all VPCs to the transit gateway and create forwarding rules in the on-premises DNS server for cloud.example.com that point to the outbound resolver.

Associate the private hosted zone to the shared services VPC. Create a Route 53 inbound resolver in the shared services VPC. Attach the shared services VPC to the transit gateway and create forwarding rules in the on-premises DNS server for cloud.example.com that point to the inbound resolver.

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Question # 11

A public retail web application uses an Application Load Balancer (ALB) in front of Amazon EC2 instances running across multiple Availability Zones (AZs) in a Region backed by an Amazon RDS MySQL Multi-AZ deployment. Target group health checks are configured to use HTTP and pointed at the product catalog page. Auto Scaling is configured to maintain the web fleet size based on the ALB health check.

Recently, the application experienced an outage. Auto Scaling continuously replaced the instances during the outage. A subsequent investigation determined that the web server metrics were within the normal range, but the database tier was experiencing high toad, resulting in severely elevated query response times.

Which of the following changes together would remediate these issues while improving monitoring capabilities for the availability and functionality of the entire application stack for future growth? (Select TWO.)

Configure read replicas for Amazon RDS MySQL and use the single reader endpoint in the web application to reduce the load on the backend database tier.

Configure the target group health check to point at a simple HTML page instead of a product catalog page and the Amazon Route 53 health check against the product page to evaluate full application functionality. Configure Ama7on CloudWatch alarms to notify administrators when the site fails.

Configure the target group health check to use a TCP check of the Amazon EC2 web server and the Amazon Route S3 health check against the product page to evaluate full application functionality. Configure Amazon CloudWatch alarms to notify administrators when the site fails.

Configure an Amazon CtoudWatch alarm for Amazon RDS with an action to recover a high-load, impaired RDS instance in the database tier.

Configure an Amazon Elastic ache cluster and place it between the web application and RDS MySQL instances to reduce the load on the backend database tier.

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Question # 12

A company is hosting a critical application on a single Amazon EC2 instance. The application uses an Amazon ElastiCache for Redis single-node cluster for an in-memory data store. The application uses an Amazon RDS for MariaDB DB instance for a relational database. For the application to function, each piece of the infrastructure must be healthy and must be in an active state.

A solutions architect needs to improve the application ' s architecture so that the infrastructure can automatically recover from failure with the least possible downtime.

Which combination of steps will meet these requirements? (Select THREE.)

Use an Elastic Load Balancer to distribute traffic across multiple EC2 instances. Ensure that the EC2 instances are part of an Auto Scaling group that has a minimum capacity of two instances.

Use an Elastic Load Balancer to distribute traffic across multiple EC2 instances Ensure that the EC2 instances are configured in unlimited mode.

Modify the DB instance to create a read replica in the same Availability Zone. Promote the read replica to be the primary DB instance in failure scenarios.

Modify the DB instance to create a Multi-AZ deployment that extends across two Availability Zones.

Create a replication group for the ElastiCache for Redis cluster. Configure the cluster to use an Auto Scaling group that has a minimum capacity of two instances.

Create a replication group for the ElastiCache for Redis cluster. Enable Multi-AZ on the cluster.

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Answer:

Explanation:

Option A is correct because using an Elastic Load Balancer and an Auto Scaling group with a minimum capacity of two instances can improve the availability and scalability of the EC2 instances that host the application.Â The load balancer can distribute traffic across multiple instances and the Auto Scaling group can replace any unhealthy instances automatically1

Option D is correct because modifying the DB instance to create a Multi-AZ deployment that extends across two Availability Zones can improve the availability and durability of the RDS for MariaDB database.Â Multi-AZ deployments provide enhanceddata protection and minimize downtime by automatically failing over to astandby replica in another Availability Zone in case of a planned or unplanned outage4

Option F is correct because creating a replication group for the ElastiCache for Redis cluster and enabling Multi-AZ on the cluster can improve the availability and fault tolerance of the in-memory data store. A replication group consists of a primary node and up to five read-only replica nodes that are synchronized with the primary node using asynchronous replication.Â Multi-AZ allows automatic failover to one of the replicas if the primary node fails or becomes unreachable6

[References:Â 1: https://docs.aws.amazon.com/elasticloadbalancing/latest/userguide/how-elastic-load-balancing-works.htmlÂ 2: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances-unlimited-mode.htmlÂ 3: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.htmlÂ 4: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.htmlÂ 5: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/AutoScaling.htmlÂ 6: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Replication.Redis.Groups.html, , , , , , ]

Question # 13

A company needs its remote employees to access the web interface of an application. The company hosts the application in a VPC in the AWS Cloud. The application runs on a fleet of Amazon EC2 instances in private subnets across multiple Availability Zones.

The remote employees are not currently using a corporate VPN connection. Company policy does not allow a direct connection from the public internet to the application.

Which solution will meet these requirements?

Create a customer gateway by using the company ' s external IP address. Create a virtual private gateway, and attach it to the VPC. Create an AWS Site-to-Site VPN connection between the customer gateway and the virtual private gateway. Modify the route table to route corporate traffic back to the customer gateway.

Generate server and client certificates and keys. Create an AWS Client VPN endpoint. Associate the private subnets with the Client VPN endpoint. Authorize the remote employees to access the VPC. Download the Client VPN endpoint configuration file to use in the remote employees ' VPN client application.

Create a transit gateway in the VPC. Associate the private subnets with the transit gateway. Enable AWS Client VPN connection endpoints on the transit gateway. Deploy the Client VPN software to each of the remote employees. Configure route tables to route traffic between the Client VPN connections and the private subnets.

Create a network ACL. Add inbound and outbound rules for the IP addresses of the remote employees. Associate the private subnets with the network ACL. Update the existing security group that is associated with the fleet of EC2 instances to permit the IP addresses of the remote employees.

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Question # 14

A company wants to deploy an AWS WAF solution to manage AWS WAF rules across multiple AWS accounts. The accounts are managed under different OUs in AWS Organizations.

Administrators must be able to add or remove accounts or OUs from managed AWS WAF rule sets as needed Administrators also must have the ability to automatically update and remediate noncompliant AWS WAF rules in all accounts

Which solution meets these requirements with the LEAST amount of operational overhead?

Use AWS Firewall Manager to manage AWS WAF rules across accounts in the organization. Use an AWS Systems Manager Parameter Store parameter to store account numbers and OUs to manage Update the parameter as needed to add or remove accounts or OUs Use an Amazon EventBridge (Amazon CloudWatch Events) rule to identify any changes to the parameter and to invoke an AWS Lambda function to update the security policy in the Firewall Manager administ

Deploy an organization-wide AWS Config rule that requires all resources in the selected OUs to associate the AWS WAF rules. Deploy automated remediation actions by using AWS Lambda to fix noncompliant resources Deploy AWS WAF rules by using an AWS CloudFormation stack set to target the same OUs where the AWS Config rule is applied.

Create AWS WAF rules in the management account of the organization Use AWS Lambda environment variables to store account numbers and OUs to manage Update environment variables as needed to add or remove accounts or OUs Create cross-account IAM roles in member accounts Assume the rotes by using AWS Security Token Service (AWS STS) in the Lambda function tocreate and update AWS WAF rules in the member accounts.

Use AWS Control Tower to manage AWS WAF rules across accounts in the organization Use AWS Key Management Service (AWS KMS) to store account numbers and OUs to manage Update AWS KMS as needed to add or remove accounts or OUs Create IAM users in member accounts Allow AWS Control Tower in the management account to use the access key and secret access key to create and update AWS WAF rules in the member accounts

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Question # 15

A company has developed APIs that use Amazon API Gateway with Regional endpoints. The APIs call AWS Lambda functions that use API Gateway authentication mechanisms. After a design review, a solutions architect identifies a set of APIs that do not require public access.

The solutions architect must design a solution to make the set of APIs accessible only from a VPC. All APIs need to be called with an authenticated user.

Which solution will meet these requirements with the LEAST amount of effort?

Create an internal Application Load Balancer (ALB). Create a target group. Select the Lambda function to call. Use the ALB DNS name to call the API from the VPC.

Remove the DNS entry that is associated with the API in API Gateway. Create a hosted zone in Amazon Route 53. Create a CNAME record in the hosted zone. Update the API in API Gateway with the CNAME record. Use the CNAME record to call the API from the VPC.

Update the API endpoint from Regional to private in API Gateway. Create an interface VPC endpoint in the VPC. Create a resource policy, and attach it to the API. Use the VPC endpoint to call the API from the VPC.

Deploy the Lambda functions inside the VPC. Provision an EC2 instance, and install an Apache server. From the Apache server, call the Lambda functions. Use the internal CNAME record of the EC2 instance to call the API from the VPC.

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Question # 16

A company uses AWS Organizations to manage a multi-account structure. The company has hundreds of AWS accounts and expects the number of accounts to increase. The company is building a new application that uses Docker images. The company will push the Docker images to Amazon Elastic Container Registry (Amazon ECR). Only accounts that are within the company ' s organization should have

access to the images.

The company has a CI/CD process that runs frequently. The company wants to retain all the tagged images. However, the company wants to retain only the five most recent untagged images.

Which solution will meet these requirements with the LEAST operational overhead?

Create a private repository in Amazon ECR. Create a permissions policy for the repository that allows only required ECR operations. Include a condition to allow the ECR operations if the value of the aws:PrincipalOrglD condition key is equal to the ID of the company ' s organization. Add a lifecycle rule to the ECR repository that deletes all untagged images over the count of five.

Create a public repository in Amazon ECR. Create an IAM role in the ECR account. Set permissions so that any account can assume the role if the value of the aws:PrincipalOrglD condition key is equal to the ID of the company ' s organization. Add a lifecycle rule to the ECR repository that deletes all untagged images over the count of five.

Create a private repository in Amazon ECR. Create a permissions policy for the repository that includes only required ECR operations. Include a condition to allow the ECR operations for all account IDs in the organization. Schedule a daily Amazon EventBridge rule to invoke an AWS Lambda function that deletes all untagged images over the count of five.

Create a public repository in Amazon ECR. Configure Amazon ECR to use an interface VPC endpoint with an endpoint policy that includes the required permissions for images that the company needs to pull. Include a condition to allow the ECR operations for all account IDs in the company ' s organization. Schedule a daily Amazon EventBridge rule to invoke an AWS Lambda function that deletes all untagged images over the count of five.

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