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Amazon AWS-Solutions-Architect-Professional Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design for New Solutions	29%	- Design performance-optimized architectures 1. Storage optimization 2. Compute optimization 3. Network optimization - Design secure architectures 1. Data protection 2. Infrastructure security 3. Identity and access management - Design resilient architectures 1. High availability 2. Fault tolerance 3. Disaster recovery
Topic 2: Continuous Improvement for Existing Solutions	25%	- Determine strategies to improve existing solutions 1. Performance optimization 2. Reliability improvements 3. Operational excellence - Determine strategies to improve security 1. Compliance controls 2. Security monitoring 3. Threat detection
Topic 3: Design Solutions for Organizational Complexity	26%	- Design solutions that address multi-account AWS environments 1. Governance and account structure 2. Cross-account access and security 3. AWS Organizations strategy - Design solutions for hybrid environments 1. Hybrid networking 2. Data integration 3. Identity federation
Topic 4: Accelerate Workload Migration and Modernization	20%	- Select migration strategies 1. Large-scale migration planning 2. Application migration 3. Database migration - Modernize existing workloads 1. Containerization 2. Application refactoring 3. Serverless architectures

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Amazon AWS Certified Solutions Architect - Professional Sample Questions (Q323-Q328):

NEW QUESTION # 323
A company is creating a REST API to share information with six of Its partners based m the United States.
The company has created an Amazon API Gateway Regional endpoint Each of the six partners will access the API once per day to post daily sales figures.
After Initial deployment the company observes 1,000 requests per second originating from 500 different IP addresses around the world. The company believes this traffic is originating from a botnet end wants to secure its API while minimizing cost Which approach should the company take to secure its API?

A. Create an AWS WAF web ACL with a rule to allow access to the IP addresses used by the six partners Associate the web ACL with the API Create a resource policy with a request limit and associate it with the API Configure the API to require an API key on the POST method
B. Create an AWS WAF web ACL with a rule to allow access to the IP addresses used by the six partners Associate the web ACL with the API Create a usage plan with a request limit and associate it with the API Create an API key and add it lo Hie usage plan.
C. Create an Amazon CloudFront distribution with the API as the origin Create an AWS WAF web ACL with a rule to block clients that submit more than five requests per day. Associate the web ACL with the CloudFront distribution Configure CloudFront with an origin access identity (OAI) and associate it with the distribution Configure API Gateway to ensure only the OAI can execute the POST method
D. Create an Amazon CloudFront distribution with the API as the origin Create an AWS WAF web ACL with a rule to block clients that submit more than five requests per day. Associate the web ACL with the CloudFront distribution Add a custom header to the CloudFront distribution populated with an API key Configure the API to require an API key on the POST method

Answer: B

NEW QUESTION # 324
A company is launching a web-based application in multiple regions around the world. The application consists of both static content stored in a private Amazon S3 bucket and dynamic content hosted in Amazon ECS containers content behind an Application Load Balancer (ALB). The company requires that the static and dynamic application content be accessible through Amazon CloudFront only.
Which combination of steps should a solutions architect recommend to restrict direct content access to CloudFront? (Select THREE.)

A. Update the S3 bucket ACL to allow access from the CloudFront distribution only.
B. Configure CloudFront to add a custom header to origin requests.
C. Configure the ALB to add a custom header to HTTP requests.
D. Create a web ACL in AWS WAF with a rule to validate the presence of a custom header and associate the web ACL with the CloudFront distribution.
E. Create a web ACL in AWS WAF with a rule to validate the presence of a custom header and associate the web ACL with the ALB.
F. Create a CloudFront Origin Access Identity (OAI) and add it to the CloudFront distribution. Update the S3 bucket policy to allow access to the OAI only.

Answer: B,C,F

NEW QUESTION # 325
A company has developed a new billing application that will be released in two weeks.
Developers are testing the application running on 10 EC2 instances managed by an Auto Scaling group in subnet 172.31.0.0/24 within VPC A with CIDR block 172.31.0.0/16. The Developers noticed connection timeout errors in the application logs while connecting to an Oracle database running on an Amazon EC2 instance in the same region within VPC B with CIDR block
172.50.0.0/16. The IP of the database instance is hard- coded in the application instances.
Which recommendations should a Solutions Architect present to the Developers to solve the problem in a secure way with minimal maintenance and overhead?

A. Create and attach internet gateways for both VPCs. Configure default routes to the Internet gateways for both VPCs. Assign an Elastic IP for each Amazon EC2 instance in VPC A
B. Disable the SrcDestCheck attribute for all instances running the application and Oracle Database.
Change the default route of VPC A to point ENI of the Oracle Database that has an IP address assigned within the range of 172.50.0.0/26
C. Create a VPC peering connection between the two VPCs and add a route to the routing table of VPC A that points to the IP address range of 172.50.0.0/16
D. Create an additional Amazon EC2 instance for each VPC as a customer gateway; create one virtual private gateway (VGW) for each VPC, configure an end-to-end VPC, and advertise the routes for 172.50.0.0/16

Answer: B

NEW QUESTION # 326
A company needs to store and process image data that will be uploaded from mobile devices using a custom mobile app. Usage peaks between 8 AM and 5 PM on weekdays, with thousands of uploads per minute. The app is rarely used at any other time. A user is notified when image processing is complete.
Which combination of actions should a solutions architect take to ensure image processing can scale to handle the load? (Select THREE.)

A. Send a push notification to the mobile app by using Amazon Simple Email Service (Amazon SES) when processing is complete.
B. Upload files from the mobile software directly to Amazon S3. Use S3 event notifications to create a message in an Amazon Simple Queue Service (Amazon SOS) standard queue.
C. Invoke an AWS Lambda function to perform image processing when a message is available in the queue.
D. Upload files from the mobile software directly to Amazon S3. Use S3 event notifications to create a message in an Amazon MQ queue.
E. Invoke an S3 Batch Operations job to perform image processing when a message is available in the queue
F. Send a push notification to the mobile app by using Amazon Simple Notification Service (Amazon SNS) when processing is complete.

Answer: B,C,F

Explanation:
The best solution is to upload files from the mobile software directly to Amazon S3, use S3 event notifications to create a message in an Amazon Simple Queue Service (Amazon SQS) standard queue, and invoke an AWS Lambda function to perform image processing when a message is available in the queue. This solution will ensure that image processing can scale to handle the load, as Amazon S3 can store any amount of data and handle concurrent uploads, Amazon SQS can buffer the messages and deliver them reliably, and AWS Lambda can run code without provisioning or managing servers and scale automatically based on the demand.
This solution will also notify the user when processing is complete by sending a push notification to the mobile app using Amazon Simple Notification Service (Amazon SNS), which is a web service that enables applications to send and receive notifications from the cloud. This solution is more cost-effective than using Amazon MQ, which is a managed message broker service for Apache ActiveMQ that requires a dedicated broker instance, or S3 Batch Operations, which is a feature that allows users to perform bulk actions on S3 objects, such as copying or tagging, but does not support custom code execution. This solution is also more suitable than using Amazon Simple Email Service (Amazon SES), which is a web service that enables applications to send and receive email messages, but does not support push notifications for mobile devices. References: Amazon S3 Documentation, Amazon SQS Documentation, AWS Lambda Documentation, Amazon SNS Documentation

NEW QUESTION # 327
A company's CISO has asked a Solutions Architect to re-engineer the company's current CI/CD practices to make sure patch deployments to its applications can happen as quickly as possible with minimal downtime if vulnerabilities are discovered. The company must also be able to quickly roll back a change in case of errors. The web application is deployed in a fleet of Amazon EC2 instances behind an Application Load Balancer. The company is currently using GitHub to host the application source code and has configured an AWS CodeBuild project to build the application. The company also intends to use AWS CodePipeLine to trigger builds form GitHub commits using the existing CodeBuild project.
What CI/CD configuration meets all of the requirements?

A. Configure CodePipeline with a deploy stage using AWS CodeDeploy configure for blue/green deployments. Monitor the new deployed code and if there are any issues, trigger a manual rollback using CodeDeploy.
B. Configure CodePipeline with a deploy stage using AWS CodeDeploy configured for in-place deployment. Monitor the newly deployed code, and if there are any issues, push another code update.
C. Configure CodePipeline with a deploy stage using AWS CloudFormation to create a pipeline for test and production stacks. Monitor the newly deployed cod and if there are any issues push another code update.
D. Configure the CodePipeline with a deploy stage using AWS OpsWorks and in-place deployments. Monitor the newly deployed code and if there are any issues, push another code update.

Answer: A

NEW QUESTION # 328
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