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AWS SAA (Solutions Architect Associate) Exam Study Note

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AWS SAA (Solutions Architect Associate) Exam Study Note

1. Amazon EC2 (Elastic Compute Cloud)

  • 適配情況:當你需要靈活的虛擬伺服器來運行應用程式或服務時,EC2 是首選解決方案。EC2 提供多種實例類型(如計算優化型、記憶體優化型、GPU 實例等),可根據應用負載進行擴展。
  • 英語說明:EC2 provides scalable computing capacity in the AWS cloud, allowing users to easily launch virtual servers and scale them according to their needs.
  • Reference: EC2 Documentation

2. Amazon S3 (Simple Storage Service)

  • 適配情況:用於存儲和檔案備份的服務,特別是當需要高持久性和擴展能力時。適用於靜態網站託管、大數據分析、備份和恢復。
  • 英語說明:Amazon S3 is a scalable object storage service ideal for storing large amounts of unstructured data, with 99.999999999% durability and lifecycle policies for cost optimization.
  • Reference: S3 Documentation

3. Amazon RDS (Relational Database Service)

  • 適配情況:需要使用傳統關聯式資料庫的應用程式可以使用 RDS,適用於需要高可用性和自動備份的資料庫,如 MySQL、PostgreSQL、MariaDB、SQL Server 和 Oracle。
  • 英語說明:RDS simplifies the setup, operation, and scaling of relational databases with automatic backups, software patching, and multi-AZ replication for high availability.
  • Reference: RDS Documentation

4. Amazon DynamoDB

  • 適配情況:適合對於延遲敏感的應用程式,尤其是需要高可擴展性和無縫擴展的 NoSQL 資料庫,如遊戲資料儲存、IoT 資料儲存和行動應用程式。
  • 英語說明:DynamoDB is a fully managed NoSQL database that provides fast and predictable performance, and scales automatically to handle large amounts of data and requests.
  • Reference: DynamoDB Documentation

5. Amazon VPC (Virtual Private Cloud)

  • 適配情況:用於設計網路隔離的環境,適合需要高安全性的應用程式,可以透過設定私有子網、VPN、NAT Gateways 和防火牆規則來保護應用程式。
  • 英語說明:Amazon VPC allows you to launch AWS resources into a virtual network that you've defined, providing full control over your networking environment.
  • Reference: VPC Documentation

6. Amazon CloudFront

  • 適配情況:當需要分發靜態和動態內容,並降低延遲時,CloudFront 是一個理想的選擇,尤其是全球使用者分佈廣泛的應用程式。
  • 英語說明:CloudFront is a content delivery network (CDN) that speeds up the distribution of your static and dynamic web content, reducing latency and improving user experience.
  • Reference: CloudFront Documentation

7. Elastic Load Balancing (ELB)

  • 適配情況:適合需要將流量分散到多個實例的應用程式,幫助提升應用程式的可用性和擴展性。
  • 英語說明:ELB automatically distributes incoming application traffic across multiple EC2 instances to ensure high availability and fault tolerance.
  • Reference: ELB Documentation

8. Amazon SQS (Simple Queue Service)

  • 適配情況:適用於需要在分布式系統中處理任務隊列的應用程式,確保消息的可靠傳送,並能有效解耦系統元件。
  • 英語說明:SQS is a fully managed message queuing service that enables decoupling and scalability of microservices, ensuring reliable communication between components.
  • Reference: SQS Documentation

9. AWS Lambda

  • 適配情況:適合無伺服器計算模型的應用程式,當不想管理伺服器且希望根據實際需求執行代碼時,可以選擇Lambda。適用於事件驅動的架構,如文件處理、監控或 API。
  • 英語說明:AWS Lambda allows you to run code without provisioning or managing servers, scaling automatically in response to the number of requests.
  • Reference: Lambda Documentation

10. Amazon EBS (Elastic Block Store)

  • 適配情況:適合需要持久性儲存的 EC2 實例,提供高 I/O 性能以及快照備份功能,適用於數據庫應用程式或大型資料儲存需求。
  • 英語說明:EBS provides persistent block storage volumes for EC2 instances, optimized for transactional workloads such as databases and file systems.
  • Reference: EBS Documentation

11. Amazon CloudWatch

  • 適配情況:適合監控 AWS 資源和應用程式,幫助開發者自動觸發警報和執行響應行動,適用於即時監控系統健康狀態。
  • 英語說明:CloudWatch provides monitoring and observability for AWS resources and applications, collecting metrics, logs, and events to enable real-time insights and automated actions.
  • Reference: CloudWatch Documentation

12. AWS IAM (Identity and Access Management)

  • 適配情況:適合需要精細化權限控制的應用程式,允許設定角色、使用者、群組和策略來確保安全性。
  • 英語說明:IAM allows you to securely control access to AWS services and resources for users and applications by defining fine-grained permission policies.
  • Reference: IAM Documentation

13. Amazon Route 53

  • 適配情況:當需要管理域名並啟用 DNS 服務來路由流量時,Route 53 是理想選擇,並提供高可用性和故障轉移功能。
  • 英語說明:Route 53 is a scalable DNS and domain name management service that routes end-user traffic to AWS services and external resources while ensuring high availability through DNS failover.
  • Reference: Route 53 Documentation

14. Amazon Aurora

  • 適配情況:適合需要高性能的關聯式資料庫的應用程式,提供比傳統RDS更高的吞吐量和低延遲。
  • 英語說明:Aurora is a MySQL and PostgreSQL-compatible relational database designed for the cloud, offering up to 5x the performance of standard MySQL or 3x PostgreSQL databases.
  • Reference: Aurora Documentation

15. AWS Auto Scaling

  • 適配情況:適合需要自動擴展或縮減 EC2 實例的應用程式,根據需求負載自動調整資源配置。
  • 英語說明:Auto Scaling helps ensure that you have the right amount of EC2 instances running to handle the load for your applications, automatically adjusting based on traffic patterns.
  • Reference: Auto Scaling Documentation

16. AWS KMS (Key Management Service)

  • 適配情況:適合需要加密和解密資料的應用程式,並能管理和控制加密金鑰,適用於符合安全合規性要求的應用程式。
  • 英語說明:KMS allows you to create and manage encryption keys to secure your data, providing centralized control over the cryptographic operations within your applications.
  • Reference: KMS Documentation

17. AWS Trusted Advisor

  • 適配情況:適合需要優化 AWS 環境的應用程式,Trusted Advisor 提供安全、性能和成本優化的最佳建議。
  • 英語說明:Trusted Advisor provides real-time guidance to help you optimize your AWS environment across security, cost, performance, and fault tolerance.
  • Reference: AWS Trusted Advisor

18. Amazon SNS (Simple Notification Service)

  • 適配情況:適合需要大規模通知功能的應用程式,例如推送消息、通知使用者或觸發事件。
  • 英語說明:SNS is a fully managed messaging service that enables you to send notifications to subscribers or trigger events in response to changes in your environment.
  • Reference: Amazon SNS

19. Amazon EFS (Elastic File System)

  • 適配情況:適合共享檔案系統的應用,特別是需要多個 EC2 實例同時存取的資料。
  • 英語說明:EFS provides scalable file storage that can be shared across multiple EC2 instances, offering high availability and durability.
  • Reference: EFS Documentation

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