AWS Certified Professional SAP-C02 Exam Questions and Answers PDF

AWS Certified Solutions Architect - Professional Questions and Answers

Question 193

A software company hosts an application on AWS with resources in multiple AWS accounts and Regions. The application runs on a group of Amazon EC2 instances in an application VPC located in the us-east-1 Region with an IPv4 CIDR block of 10.10.0.0/16. In a different AWS account, a shared services VPC is located in the us-east-2 Region with an IPv4 CIDR block of 10.10.10.0/24. When a cloud engineer uses AWS CloudFormation to attempt to peer the application

VPC with the shared services VPC, an error message indicates a peering failure.

Which factors could cause this error? (Choose two.)

Options:

The IPv4 CIDR ranges of the two VPCs overlap

The VPCs are not in the same Region

One or both accounts do not have access to an Internet gateway

One of the VPCs was not shared through AWS Resource Access Manager

The IAM role in the peer accepter account does not have the correct permissions

Question 194

A research company conducts mathematical simulations in the AWS Cloud. The simulations run on several hundred Amazon EC2 Linux instances. If a simulation encounters an issue, an engineer establishes an SSH connection to the affected EC2 instance.

Company policy requires that each EC2 instance session is established with a unique SSH key and that all SSH connections are logged in AWS CloudTrail. CloudTrail is enabled for the company’s account and the AWS Regions that the company uses.

Which solution will meet these requirements?

Options:

Answer:

Launch new EC2 instances. Generate an individual SSH key for each new EC2 instance. Store the SSH key in AWS Secrets Manager. Create a new IAM policy. Attach the IAM policy to the engineers' IAM role with an Allow statement for the GetSecretValue action. Instruct the engineers to retrieve the SSH key from Secrets Manager when the engineers connect through any SSH client.

Answer:

Create an AWS Systems Manager document to run commands on EC2 instances to set a new unique SSH key. Create a new IAM policy. Attach the IAM policy to the engineers' IAM role with an Allow statement to run Systems Manager documents. Instruct the engineers to run the document to set an SSH key and to connect through any SSH client.

Answer:

Launch new EC2 instances without setting up any SSH key for the new EC2 instances. Set up EC2 Instance Connect on each new EC2 instance. Create a new IAM policy. Attach the IAM policy to the engineers' IAM role with an Allow statement for the SendSSHPublicKey action. Instruct the engineers to connect to the EC2 instances by using Instance Connect from the AWS CLI.

Answer:

Set up AWS Secrets Manager to store the EC2 SSH key. Create an AWS Lambda function to create a new SSH key and to call AWS Systems Manager Session Manager to set the SSH key on the EC2 instance. Configure Secrets Manager to use the Lambda function to automatically rotate the SSH key once daily. Instruct the engineers to retrieve the SSH key from Secrets Manager when the engineers connect through any SSH client.

Answer:

CC is correct because EC2 Instance Connect is designed to provide per-connection, short-lived SSH access without long-lived shared private keys, and it integrates with IAM so access is controlled and auditable. With EC2 Instance Connect, engineers push a public key for a short time window to the target instance using the SendSSHPublicKey API action. This meets the “unique SSH key per session” intent because the key can be generated per session and injected temporarily instead of being a persistent static key. Additionally, the key injection is performed through an AWS API call, which is recorded in AWS CloudTrail, satisfying the logging requirement for SSH access activity.Why the other options are incorrect:

Answer:

B: Running a Systems Manager document to set keys creates operational overhead and still does not inherently ensure CloudTrail logs of each SSH connection (the SSM Run Command API calls are logged, but the subsequent SSH login over the network is not an AWS API event). It also risks key persistence beyond a single session.

Answer:

D: Daily rotation is not “unique per session,” and it is complex/operationally heavy. Like A, the SSH login itself is not automatically a CloudTrail event; CloudTrail would capture Secrets Manager and SSM API calls, not the network SSH authentication event.

Explanation:

[References:, Amazon EC2 Instance Connect Documentation: SendSSHPublicKey workflow, temporary key injection, IAM-based access control, AWS CloudTrail Documentation: logging of AWS API calls (including EC2 Instance Connect API actions) across Regions, Amazon EC2 Documentation: Linux instance access patterns and key-based authentication options, AWS Certified Solutions Architect – Professional (SAP-C02) Exam Guide: centralized access control, auditability, and scalable operational patterns for large fleets, , , , ]

Question 195

A company has introduced a new policy that allows employees to work remotely from their homes if they connect by using a VPN The company Is hosting Internal applications with VPCs in multiple AWS accounts Currently the applications are accessible from the company ' s on-premises office network through an AWS Site-to-Site VPN connection The VPC in the company ' s main AWS account has peering connections established with VPCs in other AWS accounts.

A solutions architect must design a scalable AWS Client VPN solution for employees to use while they work from home

What is the MOST cost-effective solution that meets these requirements?

Options:

Create a Client VPN endpoint in each AWS account Configure required routing that allows access to internal applications

Create a Client VPN endpoint in the mam AWS account Configure required routing that allows access to internal applications

Create a Client VPN endpoint in the main AWS account Provision a transit gateway that is connected to each AWS account Configure required routing that allows access to internal applications

Create a Client VPN endpoint in the mam AWS account Establish connectivity between the Client VPN endpoint and the AWS Site-to-Site VPN

Question 196

A company has its cloud infrastructure on AWS A solutions architect needs to define the infrastructure as code. The infrastructure is currently deployed in one AWS Region. The company ' s business expansion plan includes deployments in multiple Regions across multiple AWS accounts

What should the solutions architect do to meet these requirements?

Options:

Use AWS CloudFormation templates Add IAM policies to control the various accounts Deploy the templates across the multiple Regions

Use AWS Organizations Deploy AWS CloudFormation templates from the management account Use AWS Control Tower to manage deployments across accounts

Use AWS Organizations and AWS CloudFormation StackSets Deploy a CloudFormation template from an account that has the necessary IAM permissions

Use nested stacks with AWS CloudFormation templates Change the Region by using nested stacks

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AWS Certified Professional SAP-C02 Exam Questions and Answers PDF

AWS Certified Solutions Architect - Professional Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce