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Amazon SAA-C03 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design High-Performing Architectures	24%	- Design high-performance storage solutions 1. Storage types (object, block, file) 2. Storage performance and durability 3. Caching and content delivery - Design high-performance compute solutions 1. Compute options (EC2, Lambda, ECS, EKS) 2. Instance types and sizing 3. Scaling and performance optimization - Design high-performance networking solutions 1. Latency reduction and throughput optimization 2. Network architecture and connectivity 3. Global acceleration and routing
Topic 2: Design Secure Architectures	30%	- Design for security and threat detection 1. Incident response and security automation 2. Monitoring and logging services - Design secure access to AWS resources 1. Shared responsibility model 2. Multi-account access and control 3. Security best practices and least privilege 4. Identity and access management (IAM, IAM Identity Center) - Design secure workloads and applications 1. Compliance and governance controls 2. Network security (VPC, security groups, NACLs) 3. Data protection and encryption (at rest/in transit)
Topic 3: Design Cost-Optimized Architectures	20%	- Control and monitor costs 1. Resource tagging and allocation 2. Cost management tools and alerts - Identify cost-effective storage solutions 1. Storage classes and lifecycle policies 2. Data retention and archiving - Design cost-effective compute and network solutions 1. Right-sizing and reserved instances 2. Data transfer cost optimization 3. Serverless and pay-as-you-go models
Topic 4: Design Resilient Architectures	26%	- Design highly available and fault-tolerant architectures 1. Regions, Availability Zones, and edge locations 2. Load balancing and auto scaling 3. Replication and disaster recovery strategies - Design decoupled and loosely coupled systems 1. Serverless and managed service integration 2. Event-driven architectures 3. Messaging and queue services - Design for reliability and recovery 1. Failover and failback processes 2. Backup and restore mechanisms

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Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q82-Q87):

NEW QUESTION # 82
A developer has an application that uses an AWS Lambda function to upload files to Amazon S3 and needs the required permissions to perform the task The developer already has an IAM user with valid IAM credentials required for Amazon S3 What should a solutions architect do to grant the permissions?

A. Create a signed request using the existing IAM credentials n the Lambda function
B. Create an IAM execution role with the required permissions and attach the IAM rote to the Lambda function
C. Create a new IAM user and use the existing IAM credentials in the Lambda function.
D. Add required IAM permissions in the resource policy of the Lambda function

Answer: B

Explanation:
Explanation
To grant the necessary permissions to an AWS Lambda function to upload files to Amazon S3, a solutions architect should create an IAM execution role with the required permissions and attach the IAM role to the Lambda function. This approach follows the principle of least privilege and ensures that the Lambda function can only access the resources it needs to perform its specific task.

NEW QUESTION # 83
A company's application runs on AWS. The application stores large documents in an Amazon S3 bucket that uses the S3 Standard-infrequent Access (S3 Standerd-IA) storage class. The company will continue paying to store the data but wants to save on its total S3 costs. The company wants authorized external users to have the ability to access the documents in milliseconds.
Which solution will meet these requirements MOST cost-effectively?

A. Use Amazon CloudFront to handle all the requests to the S3 bucket
B. Turn on S3 Transfer Acceleration tor the S3 Docket
C. Configure the S3 bucket to be a Requester Pays bucket
D. Change the storage tier to S3 Standard for all existing and future objects.

Answer: A

NEW QUESTION # 84
A company has an application that ingests incoming messages. These messages are then quickly consumed by dozens of other applications and microservices.
The number of messages varies drastically and sometimes spikes as high as 100,000 each second. The company wants to decouple the solution and increase scalability.
Which solution meets these requirements?

A. Persist the messages to Amazon Kinesis Data Analytics. All the applications will read and process the messages.
B. Publish the messages to an Amazon Simple Notification Service (Amazon SNS) topic with one or more Amazon Simple Queue Service (Amazon SQS) subscriptions. All applications then process the messages from the queues.
C. Deploy the application on Amazon EC2 instances in an Auto Scaling group, which scales the number of EC2 instances based on CPU metrics.
D. Write the messages to Amazon Kinesis Data Streams with a single shard. All applications will read from the stream and process the messages.

Answer: B

Explanation:
https://aws.amazon.com/sqs/features/

NEW QUESTION # 85
A company is launching a new application deployed on an Amazon Elastic Container Service (Amazon ECS) cluster and is using the Fargate launch type tor ECS tasks The company is monitoring CPU and memory usage because it is expecting high traffic to the application upon its launch However the company wants to reduce costs when utilization decreases What should a solutions architect recommend?

A. Use an AWS Lambda function to scale Amazon ECS based on metric breaches that trigger an Amazon CloudWatch alarm
B. Use Amazon EC2 Auto Scaling with simple scaling policies to scale when ECS metric breaches trigger an Amazon CloudWatch alarm
C. Use Amazon EC2 Auto Scaling to scale at certain periods based on previous traffic patterns
D. Use AWS Application Auto Scaling with target tracking policies to scale when ECS metric breaches trigger an Amazon CloudWatch alarm

Answer: D

Explanation:
Explanation
https://docs.aws.amazon.com/autoscaling/application/userguide/what-is-application-auto-scaling.html

NEW QUESTION # 86
A company runs a multi-tier application on premises by using virtual machines (VMs). The application tiers communicate asynchronously through third-party middleware that guarantees exactly-once delivery. The company is planning to migrate the application to AWS and needs to replace the middleware solution. The solution must provide exactly-once delivery for messages from the application.
Which combination of actions will meet these requirements with the LEAST infrastructure management?
(Select TWO.)

A. Use Amazon SNS as a messaging component between the compute layers.
B. Use AWS Lambda functions to provide compute layers in the architecture.
C. Use Amazon SQS FIFO queues as a messaging component between the compute layers.
D. Run containers on Amazon EKS to provide compute layers in the architecture.
E. Use Amazon EC2 instances to provide compute layers in the architecture.

Answer: B,C

Explanation:
The correct answers areA and D. The requiement is to replace third-party middleware with an AWS-native solution that supportsasynchronous communication,exactly-once delivery, and theleast infrastructure management.Amazon SQS FIFO queuesare the best messaging component because FIFO queues are designed for workloads that requireordered processingandexactly-once message deliverysemantics. That makes optionDthe correct messaging choice.
For the compute layer,AWS Lambdaprovides the least infrastructure management because it is a fully managed serverless compute service. Lambda removes the need to manage virtual machines, operating systems, or cluster infrastructure. It integrates naturally with queue-based asynchronous architectures and can be invoked to process messages from SQS while scaling automatically based on queue depth and workload demand. That makes optionAthe best choice for minimizing operational burden.
Option B is incorrect because EC2 instances would require the company to manage instance provisioning, patching, scaling, and availability. Option C is incorrect becauseAmazon SNSis a pub/sub messaging service and does not provide exactly-once delivery guarantees likeSQS FIFO. Option E is incorrect becauseAmazon EKSintroduces Kubernetes management overhead and is not the lowest-management compute option.
AWS best practices recommend using managed messaging and serverless compute to reduce undifferentiated operational work. For a migration that requires asynchronous processing with exactly-once delivery and minimal infrastructure management, the most appropriate architecture isAWS Lambda functionswithAmazon SQS FIFO queues.

NEW QUESTION # 87
......

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