Quiz 2025 Amazon Efficient AWS-Solutions-Architect-Professional: AWS Certified Solutions Architect - Professional Test Assessment

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The AWS Certified Solutions Architect - Professional certification exam is designed for experienced AWS architects who have already gained the AWS Certified Solutions Architect - Associate credential. AWS-Solutions-Architect-Professional Exam covers a wide range of topics, including designing and deploying scalable, highly available, fault-tolerant, and reliable applications on AWS, designing and deploying enterprise-wide scalable operations on AWS, and migrating complex multi-tier applications on AWS.

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Amazon AWS Certified Solutions Architect - Professional Sample Questions (Q183-Q188):

NEW QUESTION # 183
A benefits enrollment company is hosting a 3-tier web application running in a VPC on AWS which includes a NAT (Network Address Translation) instance in the public Web tier. There is enough provisioned capacity for the expected workload for the new fiscal year benefit enrollment period plus some extra overhead. Enrollment proceeds nicely for a few days and then the web tier becomes unresponsive. Upon investigation using CloudWatch and other monitoring tools it is discovered that there is an extremely large and unanticipated amount of inbound traffic coming from a set of 15 specific IP addresses over port 80 from a country where the benefits company has no customers. The web tier instances are so overloaded that benefit enrollment administrators cannot even SSH into them.
Which activity would be useful in defending against this attack?

A. Change the EIP (Elastic IP Address) of the NAT instance in the Web tier subnet and update the Main Route Table with the new EIP
B. Create 15 Security Group rules to block the attacking IP addresses over port 80
C. Create an inbound NACL (Network Access Control List) associated with the Web tier subnet with deny rules to block the attacking IP addresses
D. Create a custom route table associated with the Web tier and block the attacking IP addresses from the IGW (Internet Gateway)

Answer: C

Explanation:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Appendix_NACLs.html

NEW QUESTION # 184
A company must deploy multiple independent instances of an application. The front-end application is internet accessible. However, corporate policy stipulates that the backends are to be isolated from each other and the internet, yet accessible from a centralized administration server. The application setup should be automated to minimize the opportunity for mistakes as new instances are deployed.
Which option meets the requirements and MINIMIZES costs?

A. Use an AWS CloudFormation template to create identical IAM roles for each region. Use AWS CloudFormation StackSets to deploy each application instance by using parameters to customize for each instance, and use security groups to isolate each instance while permitting access to the central server.
B. Duplicate the application IAM roles and resources in separate accounts by using a single CloudFormation template. Include VPC peering to connect the VPC of each application instance to a central VPC.
C. Create each instance of the application IAM roles and resources in separate accounts by using AWS CloudFormation StackSets. Include a VPN connection to the VPN gateway of the central administration server.
D. Use the parameters of the AWS CloudFormation template to customize the deployment into separate accounts. Include a NAT gateway to allow communication back to the central administration server.

Answer: A

NEW QUESTION # 185
A solutions architect is designing a new service behind Amazon API Gateway. The request patterns for the service will be unpredictable and can change suddenly from 0 requests to over 500 per second. The total size of the data that needs to be persisted in a database is currently less than 1 GB with unpredictable future growth. Data can be queried using simple key-value requests.
Which combination of AWS services would meet these requirements? (Choose two.)

A. MySQL-compatible Amazon Aurora
B. Amazon DynamoDB
C. AWS Fargate
D. AWS Lambda
E. Amazon EC2 Auto Scaling

Answer: B,E

Explanation:
Explanation/Reference: https://aws.amazon.com/ec2/faqs/ (unpredictable)

NEW QUESTION # 186
A company is migrating its infrastructure to the AWS Cloud. The company must comply with a variety of regulatory standards for different projects. The company needs a multi-account environment.
A solutions architect needs to prepare the baseline infrastructure. The solution must provide a consistent baseline of management and security, but it must allow flexibility for different compliance requirements within various AWS accounts. The solution also needs to integrate with the existing on-premises Active Directory Federation Services (AD FS) server.
Which solution meets these requirements with the LEAST amount of operational overhead?

A. Create an organization in AWS Organizations. Create SCPs for least privilege access. Create an OU structure, and use it to group AWS accounts. Connect AWS IAM Identity Center (AWS Single Sign-On) to the on-premises AD FS server. Configure a central logging account with a defined process for log generating services to send log events to the central account. Enable AWS Config in the central account with aggregators and conformance packs.
B. Create an organization in AWS Organizations. Create a single SCP for least privilege access across all accounts. Create a single OU for all accounts. Configure an IAM identity provider for federation with the on-premises AD FS server. Configure a central logging account with a defined process for log generating services to send log events to the central account. Enable AWS Config in the central account with conformance packs for all accounts.
C. Create an organization in AWS Organizations. Enable AWS Control Tower on the organization. Review included controls (guardrails) for SCPs. Check AWS Config for areas that require additions. Configure an IAM identity provider for federation with the on-premises AD FS server.
D. Create an organization in AWS Organizations. Enable AWS Control Tower on the organization. Review included controls (guardrails) for SCPs. Check AWS Config for areas that require additions. Add OUS as necessary. Connect AWS IAM Identity Center (AWS Single Sign-On) to the on-premises AD FS server.

Answer: D

NEW QUESTION # 187
A company has many services running in its on-premises data center. The data center is connected to AWS using AWS Direct Connect (DX)and an IPsec VPN. The service data is sensitive and connectivity cannot traverse the interne. The company wants to expand to a new market segment and begin offering Is services to other companies that are using AWS.
Which solution will meet these requirements?

A. Attach a NAT gateway to the VPC. and ensue that network access control and security group rules allow the relevant inbound and outbound traffic.
B. Create a VPC Endpoint Service that accepts TCP traffic, host it behind a Network Load Balancer, and make the service available over DX.
C. Attach an internet gateway to the VPC. and ensure that network access control and security group rules allow the relevant inbound and outbound traffic.
D. Create a VPC Endpoint Service that accepts HTTP or HTTPS traffic, host it behind an Application Load Balancer, and make the service available over DX.

Answer: D

Explanation:
To offer services to other companies using AWS without traversing the internet, creating a VPC Endpoint Service hosted behind an Application Load Balancer (ALB) and making it available over AWS Direct Connect (DX) is the most suitable solution. This approach ensures that the service traffic remains within the AWS network, adhering to the requirement that connectivity must not traverse the internet. An ALB is capable of handling HTTP/HTTPS traffic, making it appropriate for web-based services. Utilizing DX for connectivity between the on-premises data center and AWS further secures and optimizes the network path.
References:
AWS Direct Connect Documentation: Explains how to set up DX for private connectivity between AWS and an on-premises network.
Amazon VPC Endpoint Services (AWS PrivateLink) Documentation: Provides details on creating and configuring endpoint services for private, secure access to services hosted in AWS.
AWS Application Load Balancer Documentation: Offers guidance on configuring ALBs to distribute HTTP/HTTPS traffic efficiently.

NEW QUESTION # 188
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Quiz 2025 Amazon Efficient AWS-Solutions-Architect-Professional: AWS Certified Solutions Architect - Professional Test Assessment

First-grade AWS-Solutions-Architect-Professional Test Assessment to Obtain Amazon Certification

Amazon AWS Certified Solutions Architect - Professional Sample Questions (Q183-Q188):

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