Quiz SAA-C03 - High-quality Practice AWS Certified Solutions Architect - Associate Engine

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Amazon SAA-C03 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Design Cost-Optimized Architectures20%- Identify cost-effective storage solutions
  • 1. Data retention and archiving
  • 2. Storage classes and lifecycle policies
- Control and monitor costs
  • 1. Resource tagging and allocation
  • 2. Cost management tools and alerts
- Design cost-effective compute and network solutions
  • 1. Right-sizing and reserved instances
  • 2. Serverless and pay-as-you-go models
  • 3. Data transfer cost optimization
Topic 2: Design Resilient Architectures26%- Design for reliability and recovery
  • 1. Backup and restore mechanisms
  • 2. Failover and failback processes
- Design decoupled and loosely coupled systems
  • 1. Serverless and managed service integration
  • 2. Messaging and queue services
  • 3. Event-driven architectures
- 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
Topic 3: Design Secure Architectures30%- Design for security and threat detection
  • 1. Incident response and security automation
  • 2. Monitoring and logging services
- Design secure workloads and applications
  • 1. Data protection and encryption (at rest/in transit)
  • 2. Compliance and governance controls
  • 3. Network security (VPC, security groups, NACLs)
- Design secure access to AWS resources
  • 1. Shared responsibility model
  • 2. Identity and access management (IAM, IAM Identity Center)
  • 3. Security best practices and least privilege
  • 4. Multi-account access and control
Topic 4: Design High-Performing Architectures24%- Design high-performance networking solutions
  • 1. Latency reduction and throughput optimization
  • 2. Global acceleration and routing
  • 3. Network architecture and connectivity
- Design high-performance compute solutions
  • 1. Compute options (EC2, Lambda, ECS, EKS)
  • 2. Scaling and performance optimization
  • 3. Instance types and sizing
- Design high-performance storage solutions
  • 1. Caching and content delivery
  • 2. Storage performance and durability
  • 3. Storage types (object, block, file)

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Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q905-Q910):

NEW QUESTION # 905
An image-processing company has a web application that users use to upload images. The application uploads the images into an Amazon S3 bucket. The company has set up S3 event notifications to publish the object creation events to an Amazon SQS standard queue. The SQS queue serves as the event source for an AWS Lambda function that processes the images and sends the results to users through email.
Users report that they are receiving multiple email messages for every uploaded image. A solutions architect determines that SQS messages are invoking the Lambda function more than once, resulting in multiple email messages.
What should the solutions architect do to resolve this issue with the LEAST operational overhead?

Answer: D

Explanation:
The issue is most likely that messages become visible in the queue again before Lambda finishes processing them. AWS documents that when Lambda polls SQS, messages remain hidden only for the queue's visibility timeout, and if they are not deleted before that timeout expires, they can be retrieved again and reprocessed. AWS specifically recommends setting the SQS visibility timeout to at least six times the Lambda function timeout, and if a batch window is used, to add that value as well. Long polling reduces empty receives but does not prevent duplicate processing. Changing to FIFO is unnecessary here, and deleting messages before successful processing risks data loss.


NEW QUESTION # 906
[Design Secure Architectures]
A company is developing an ecommerce application that will consist of a load-balanced front end, a container-based application, and a relational database. A solutions architect needs to create a highly available solution that operates with as little manual intervention as possible.
Which solutions meet these requirements? (Select TWO.)

Answer: B,E

Explanation:
https://docs.aws.amazon.com/AmazonECS/latest/developerguide/Welcome.html
1. Relational database: RDS
2. Container-based applications: ECS
"Amazon ECS enables you to launch and stop your container-based applications by using simple API calls. You can also retrieve the state of your cluster from a centralized service and have access to many familiar Amazon EC2 features."
3. Little manual intervention: Fargate
You can run your tasks and services on a serverless infrastructure that is managed by AWS Fargate. Alternatively, for more control over your infrastructure, you can run your tasks and services on a cluster of Amazon EC2 instances that you manage.


NEW QUESTION # 907
A company has a data ingestion workflow that includes the following components:
* An Amazon Simple Notation Service (Amazon SNS) topic that receives notifications about new data deliveries
* An AWS Lambda function that processes and stores the data
The ingestion workflow occasionally fails because of network connectivity issues. When tenure occurs the corresponding data is not ingested unless the company manually reruns the job. What should a solutions architect do to ensure that all notifications are eventually processed?

Answer: B

Explanation:
https://docs.aws.amazon.com/sns/latest/dg/sns-dead-letter-queues.html


NEW QUESTION # 908
A robotics company is designing a solution for medical surgery The robots will use advanced sensors, cameras, and Al algorithms to perceive their environment and to complete surgeries.
The company needs a public load balancer in the AWS Cloud that will ensure seamless communication with backend services. The load balancer must be capable of routing traffic based on the query strings to different target groups. The traffic must also be encrypted Which solution will meet these requirements?

Answer: C

Explanation:
Understanding the Requirement: The robotics company needs a public load balancer to ensure seamless communication with backend services, route traffic based on query strings, and encrypt traffic.
Analysis of Options:
Network Load Balancer with ACM Certificate: NLBs primarily operate at the transport layer (Layer 4) and do not natively support query parameter-based routing, which is a Layer 7 feature.
Gateway Load Balancer with IAM Certificate: Gateway Load Balancers are designed for deploying, scaling, and managing third-party virtual appliances and do not support HTTP path-based or query parameter-based routing.
Application Load Balancer with ACM Certificate: ALBs operate at the application layer (Layer 7), supporting features like query parameter-based routing and SSL/TLS termination with ACM certificates.
Network Load Balancer with IAM Certificate: As with the first option, NLBs do not support query parameter-based routing, making it unsuitable for this requirement.
Best Solution:
Application Load Balancer with ACM Certificate: This option provides the necessary Layer 7 routing capabilities and SSL/TLS termination to meet the requirements for query parameter-based routing and encrypted communication.
Reference:
Application Load Balancer
AWS Certificate Manager


NEW QUESTION # 909
A company's ecommerce platform experiences unpredictable surges in traffic related to periodic sale events.
The platform's web tier runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer. EC2 worker instances in an Auto Scaling group process orders.
The company needs a solution that accepts orders immediately, processes the orders asynchronously, and never loses orders if a worker instance experiences an application problem.
Which solution will meet these requirements with the LEAST operational overhead?

Answer: A

Explanation:
Amazon SQS decouples order acceptance from order processing. The web tier can place each order in the queue immediately and return a response without waiting for a worker to complete the processing. SQS redundantly stores standard-queue messages across multiple Availability Zones and provides at-least-once delivery. If a worker fails before deleting a message, the message becomes visible again after the visibility timeout and another worker can process it. SQS standard queues also support very high request rates, making them suitable for unpredictable sale-event traffic. Synchronous Lambda invocation couples the web request to processing and does not meet the asynchronous requirement. An email subscription is not an automated order- processing solution. Using an RDS table as a queue and periodically scanning it adds database load and custom polling logic, resulting in greater operational overhead.


NEW QUESTION # 910
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