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| Section | Weight | Objectives |
|---|---|---|
| Design Secure Architectures | 30% | - Secure workloads and applications
|
| Design Resilient Architectures | 26% | - Highly available architecture
|
| Design Cost-Optimized Architectures | 20% | - Cost management tools
|
| Design High-Performing Architectures | 24% | - Compute and storage optimization
|
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NEW QUESTION # 198
A company has an employee web portal. Employees log in to the portal to view payroll details. The company is developing a new system to give employees the ability to upload scanned documents for reimbursement.
The company runs a program to extract text-based data from the documents and attach the extracted information to each employee's reimbursement IDs for processing.
The employee web portal requires 100% uptime. The document extract program runs infrequently throughout the day on an on-demand basis. The company wants to build a scalable and cost-effective new system that will require minimal changes to the existing web portal. The company does not want to make any code changes.
Which solution will meet these requirements with the LEAST implementation effort?
Answer: B
Explanation:
This solution offers the most scalable and cost-effective approach with minimal changes to the existing web portal and no code modifications.
Amazon EC2 On-Demand Instances in an Auto Scaling Group: Running the web portal on EC2 On-Demand instances ensures 100% uptime and scalability. The Auto Scaling group will maintain the desired number of instances, automatically scaling up or down as needed, ensuring high availability for the employee web portal.
AWS Lambda for Document Extraction: Lambda is a serverless compute service that allows you to run code in response to events without provisioning or managing servers. By using Lambda to run the document extraction program, you can trigger the function whenever an employee uploads a document. This approach is cost-effective since you only pay for the compute time used by the Lambda function.
No Code Changes Required: This solution integrates with the existing infrastructure with minimal implementation effort and does not require any modifications to the web portal's code.
Why Not Other Options?:
Option B (Spot Instances): Spot Instances are not suitable for workloads requiring 100% uptime, as they can be terminated by AWS with short notice.
Option C (Savings Plan): A Savings Plan could reduce costs but does not address the requirement for running the document extraction program efficiently or without code changes.
Option D (S3 with API Gateway and Lambda): This would require significant changes to the existing web portal setup, including moving the portal to S3 and reconfiguring its architecture, which contradicts the requirement of minimal implementation effort and no code changes.
AWS References:
Amazon EC2 Auto Scaling- Information on how to use Auto Scaling for EC2 instances.
AWS Lambda- Overview of AWS Lambda and its use cases.
NEW QUESTION # 199
A company runs a highly available SFTP service. The SFTP service uses two Amazon EC2 Linux instances that run with elastic IP addresses to accept traffic from trusted IP sources on the internet. The SFTP service is backed by shared storage that is attached to the instances. User accounts are created and managed as Linux users in the SFTP servers.
The company wants a serverless option that provides high IOPS performance and highly configurable security. The company also wants to maintain control over user permissions.
Which solution will meet these requirements?
Answer: B
Explanation:
AWS Transfer Family is a secure transfer service that enables you to transfer files into and out of AWS storage services using SFTP, FTPS, FTP, and AS2 protocols. You can use AWS Transfer Family to create an SFTP-enabled server with a public endpoint that allows only trusted IP addresses. You can also attach an Amazon S3 bucket with default encryption enabled to the SFTP service endpoint, which will provide high IOPS performance and highly configurable security for your data at rest. You can also maintain control over user permissions by granting users access to the SFTP service using IAM roles or service-managed identities.
References: https://docs.aws.amazon.com/transfer/latest/userguide/what-is-aws-transfer-family.html
https://docs.aws.amazon.com/transfer/latest/userguide/create-server-s3.html
NEW QUESTION # 200
A company hosts a website on multiple Amazon EC2 instances that run in an Auto Scaling group.
Users are reporting slow responses during peak times between 6 PM and 11 PM every weekend.
A solutions architect must implement a solution to improve performance during these peak times.
What is the MOST operationally efficient solution that meets these requirements?
Answer: B
Explanation:
This workload has apredictable recurring traffic pattern, so the most operationally efficient solution isscheduled scalingin Amazon EC2 Auto Scaling. AWS documentation states that scheduled actions let you change desired capacity at specific times or on recurring schedules.
That is a direct match for weekend peaks from 6 PM to 11 PM. EventBridge plus Lambda would work but adds unnecessary components. Target tracking is better for reactive scaling, while the question describes a predictable pattern that should be handled proactively. Therefore, a scheduled scaling action with recurrence is the best answer.
NEW QUESTION # 201
[Design High-Performing Architectures]
A company wants to migrate an on-premises data center to AWS. The data canter hosts an SFTP server that stores its data on an NFS-based file system. The server holds 200 GB of data that needs to be transferred. The server must be hosted on an Amazon EC2 instance that uses an Amazon Elastic File System (Amazon EFS) file system When combination of steps should a solutions architect take to automate this task? (Select TWO )
Answer: A,E
Explanation:
AWS DataSync is an online data movement and discovery service that simplifies data migration and helps users quickly, easily, and securely move their file or object data to, from, and between AWS storage services1. Users can use AWS DataSync to transfer data between on-premises andAWS storage services. To use AWS DataSync, users need to install an AWS DataSync agent in the on-premises data center. The agent is a software appliance that connects to the source or destination storage system and handles the data transfer to or from AWS over the network2. Users also need to use AWS DataSync to create a suitable location configuration for the on-premises SFTP server. A location is a logical representation of a storage system that contains files or objects that users want to transfer using DataSync. Users can create locations for NFS shares, SMB shares, HDFS file systems, self-managed object storage, Amazon S3 buckets, Amazon EFS file systems, Amazon FSx for Windows File Server file systems, Amazon FSx for Lustre file systems, Amazon FSx for OpenZFS file systems, Amazon FSx for NetApp ONTAP file systems, and AWS Snowcone devices3.
NEW QUESTION # 202
[Design Resilient Architectures]
A media company hosts its video processing workload on AWS. The workload uses Amazon EC2 instances in an Auto Scaling group to handle varying levels of demand. The workload stores the original videos and the processed videos in an Amazon S3 bucket.
The company wants to ensure that the video processing workload is scalable. The company wants to prevent failed processing attempts because of resource constraints. The architecturemust be able to handle sudden spikes in video uploads without impacting the processing capability.
Which solution will meet these requirements with the LEAST overhead?
Answer: C
Explanation:
This solution addresses the scalability needs of the workload while preventing failed processing attempts due to resource constraints.
Amazon S3 event notificationscan be used to trigger a message to an SQS queue whenever a new video is uploaded.
The existing Auto Scaling group of EC2 instances can poll the SQS queue, ensuring that the EC2 instances only process videos when there is a job in the queue.
SQS decouplesthe video upload and processing steps, allowing the system to handle sudden spikes in video uploads without overloading EC2 instances.
The use ofAuto Scalingensures that the EC2 instances can scale in or out based on the demand, maintaining cost efficiency while avoiding processing failures due to insufficient resources.
AWS Reference:
S3 Event Notificationsdetails how to configure notifications for S3 events.
Amazon SQSis a fully managed message queuing service that decouples components of the system.
Auto Scaling EC2explains how to manage automatic scaling of EC2 instances based on demand.
Why the other options are incorrect:
A . AWS Lambda functions: While Lambda can handle some workloads, video processing is often resource-intensive and long-running, making EC2 a more suitable solution.
B . Using SNS with Lambda: Similar to A, Lambda is not ideal for large-scale video processing due to its time and memory limitations.
D . AWS Step Functions: While a valid orchestration solution, this introduces more complexity and overhead compared to the simpler SQS-based solution.
NEW QUESTION # 203
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