AWS Certified Solution Architect Associate SAA-C03 Q251-260

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Q251. A company is designing a new web service that will run on Amazon EC2 instances behind an Elastic Load Balancing (ELB) load balancer. However, many of the web service clients can only reach IP addresses authorized on their firewalls.

What should a solutions architect recommend to meet the clients’ needs?

A. A Network Load Balancer with an associated Elastic IP address.
B. An Application Load Balancer with an associated Elastic IP address.
C. An A record in an Amazon Route 53 hosted zone pointing to an Elastic IP address.
D. An EC2 instance with a public IP address running as a proxy in front of the load balancer.

Answer

A


Q252. A company has established a new AWS account. The account is newly provisioned and no changes have been made to the default settings. The company is concerned about the security of the AWS account root user.

What should be done to secure the root user?

A. Create IAM users for daily administrative tasks. Disable the root user.
B. Create IAM users for daily administrative tasks. Enable multi-factor authentication on the root user.
C. Generate an access key for the root user. Use the access key for daily administration tasks instead of the AWS Management Console.
D. Provide the root user credentials to the most senior solutions architect. Have the solutions architect use the root user for daily administration tasks.

Answer

B


Q253. A company is deploying an application that processes streaming data in near-real time. The company plans to use Amazon EC2 instances for the workload. The network architecture must be configurable to provide the lowest possible latency between nodes.

Which combination of network solutions will meet these requirements? (Choose two.)

A. Enable and configure enhanced networking on each EC2 instance.
B. Group the EC2 instances in separate accounts.
C. Run the EC2 instances in a cluster placement group.
D. Attach multiple elastic network interfaces to each EC2 instance.
E. Use Amazon Elastic Block Store (Amazon EBS) optimized instance types.

Answer

A, C


Q254. A financial services company wants to shut down two data centers and migrate more than 100 TB of data to AWS. The data has an intricate directory structure with millions of small files stored in deep hierarchies of subfolders. Most of the data is unstructured, and the company’s file storage consists of SMB-based storage types from multiple vendors. The company does not want to change its applications to access the data after migration.

What should a solutions architect do to meet these requirements with the LEAST operational overhead?

A. Use AWS Direct Connect to migrate the data to Amazon S3.
B. Use AWS DataSync to migrate the data to Amazon FSx for Lustre.
C. Use AWS DataSync to migrate the data to Amazon FSx for Windows File Server.
D. Use AWS Direct Connect to migrate the data on-premises file storage to an AWS Storage Gateway volume gateway.

Answer

C


Q255. A company uses an organization in AWS Organizations to manage AWS accounts that contain applications. The company sets up a dedicated monitoring member account in the organization. The company wants to query and visualize observability data across the accounts by using Amazon CloudWatch.

Which solution will meet these requirements?

A. Enable CloudWatch cross-account observability for the monitoring account. Deploy an AWS CloudFormation template provided by the monitoring account in each AWS account to share the data with the monitoring account.
B. Set up service control policies (SCPs) to provide access to CloudWatch in the monitoring account under the Organizations root organizational unit (OU).
C. Configure a new IAM user in the monitoring account. In each AWS account, configure an IAM policy to have access to query and visualize the CloudWatch data in the account. Attach the new IAM policy to the new IAM user.
D. Create a new IAM user in the monitoring account. Create cross-account IAM policies in each AWS account. Attach the IAM policies to the new IAM user.

Answer

A


Q256. A company’s website is used to sell products to the public. The site runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). There is also an Amazon CloudFront distribution, and AWS WAF is being used to protect against SQL injection attacks. The ALB is the origin for the CloudFront distribution. A recent review of security logs revealed an external malicious IP that needs to be blocked from accessing the website.

What should a solutions architect do to protect the application?

A. Modify the network ACL on the CloudFront distribution to add a deny rule for the malicious IP address.
B. Modify the configuration of AWS WAF to add an IP match condition to block the malicious IP address.
C. Modify the network ACL for the EC2 instances in the target groups behind the ALB to deny the malicious IP address.
D. Modify the security groups for the EC2 instances in the target groups behind the ALB to deny the malicious IP address.

Answer

B


Q257. A company sets up an organization in AWS Organizations that contains 10 AWS accounts. A solutions architect must design a solution to provide access to the accounts for several thousand employees. The company has an existing identity provider (IdP). The company wants to use the existing IdP for authentication to AWS.

Which solution will meet these requirements?

A. Create IAM users for the employees in the required AWS accounts. Connect IAM users to the existing IdP. Configure federated authentication for the IAM users.
B. Set up AWS account root users with user email addresses and passwords that are synchronized from the existing IdP.
C. Configure AWS IAM Identity Center (AWS Single Sign-On). Connect IAM Identity Center to the existing IdP. Provision users and groups from the existing IdP.
D. Use AWS Resource Access Manager (AWS RAM) to share access to the AWS accounts with the users in the existing IdP.

Answer

C


Q258. A solutions architect is designing an AWS Identity and Access Management (IAM) authorization model for a company’s AWS account. The company has designated five specific employees to have full access to AWS services and resources in the AWS account.

The solutions architect has created an IAM user for each of the five designated employees and has created an IAM user group.

Which solution will meet these requirements?

A. Attach the AdministratorAccess resource-based policy to the IAM user group. Place each of the five designated employee IAM users in the IAM user group.
B. Attach the SystemAdministrator identity-based policy to the IAM user group. Place each of the five designated employee IAM users in the IAM user group.
C. Attach the AdministratorAccess identity-based policy to the IAM user group. Place each of the five designated employee IAM users in the IAM user group.
D. Attach the SystemAdministrator resource-based policy to the IAM user group. Place each of the five designated employee IAM users in the IAM user group.

Answer

C


Q259. A company has a multi-tier payment processing application that is based on virtual machines (VMs). The communication between the tiers occurs asynchronously through a third-party middleware solution that guarantees exactly-once delivery.

The company needs a solution that requires the least amount of infrastructure management. The solution must guarantee exactly-once delivery for application messaging.

Which combination of actions will meet these requirements? (Choose two.)

A. Use AWS Lambda for the compute layers in the architecture.
B. Use Amazon EC2 instances for the compute layers in the architecture.
C. Use Amazon Simple Notification Service (Amazon SNS) as the messaging component between the compute layers.
D. Use Amazon Simple Queue Service (Amazon SQS) FIFO queues as the messaging component between the compute layers.
E. Use containers that are based on Amazon Elastic Kubernetes Service (Amazon EKS) for the compute layers in the architecture.

Answer

A, D


Q260. A company has a nightly batch processing routine that analyzes report files that an on-premises file system receives daily through SFTP. The company wants to move the solution to the AWS Cloud. The solution must be highly available and resilient. The solution also must minimize operational effort.

Which solution meets these requirements?

A. Deploy AWS Transfer for SFTP and an Amazon Elastic File System (Amazon EFS) file system for storage. Use an Amazon EC2 instance in an Auto Scaling group with a scheduled scaling policy to run the batch operation.
B. Deploy an Amazon EC2 instance that runs Linux and an SFTP service. Use an Amazon Elastic Block Store (Amazon EBS) volume for storage. Use an Auto Scaling group with the minimum number of instances and desired number of instances set to 1.
C. Deploy an Amazon EC2 instance that runs Linux and an SFTP service. Use an Amazon Elastic File System (Amazon EFS) file system for storage. Use an Auto Scaling group with the minimum number of instances and desired number of instances set to 1.
D. Deploy AWS Transfer for SFTP and an Amazon S3 bucket for storage. Modify the application to pull the batch files from Amazon S3 to an Amazon EC2 instance for processing. Use an EC2 instance in an Auto Scaling group with a scheduled scaling policy to run the batch operation.

Answer

A


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