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Amazon SAA-C03 Exam Syllabus Topics:

SectionWeightObjectives
Design High-Performing Architectures24%- Determine high-performing and/or scalable network architectures
  • 1. Amazon Route 53
  • 2. AWS Direct Connect
  • 3. AWS Global Accelerator
  • 4. Amazon CloudFront
  • 5. VPC endpoints
- Determine high-performing and/or scalable storage solutions
  • 1. Amazon FSx
  • 2. Amazon S3 storage classes and lifecycle policies
  • 3. Amazon EBS volume types
  • 4. Instance Store
  • 5. Amazon EFS
- Determine high-performing data ingestion and transformation solutions
  • 1. Amazon MSK
  • 2. Amazon Kinesis
  • 3. AWS Data Pipeline
  • 4. AWS Glue
- Determine high-performing database solutions
  • 1. Amazon DynamoDB
  • 2. Amazon Redshift
  • 3. Amazon ElastiCache (Redis/Memcached)
  • 4. Amazon RDS and Aurora
- Design high-performing and elastic compute solutions
  • 1. Amazon EC2 instance types and families
  • 2. AWS Elastic Beanstalk
  • 3. Amazon ECS and EKS
  • 4. AWS Lambda
Design Resilient Architectures26%- Design scalable and loosely coupled architectures
  • 1. Amazon EventBridge
  • 2. Amazon SQS and SNS
  • 3. Auto Scaling groups
  • 4. Elastic Load Balancing
  • 5. Amazon API Gateway
- Design highly available and/or fault-tolerant architectures
  • 1. Disaster recovery strategies (backup/restore, pilot light, warm standby, multi-site)
  • 2. Multi-AZ deployments
  • 3. Amazon Route 53 routing policies
  • 4. Multi-Region architectures
  • 5. AWS Global Accelerator
Design Secure Architectures30%- Design secure access to AWS resources
  • 1. AWS Organizations and SCPs
  • 2. Identity federation
  • 3. IAM policies and roles
  • 4. Multi-factor authentication (MFA)
- Design secure workloads and applications
  • 1. AWS KMS and CloudHSM
  • 2. AWS WAF and Shield
  • 3. Security groups and NACLs
  • 4. Encryption at rest and in transit
- Determine appropriate data security controls
  • 1. Data encryption strategies
  • 2. Data classification
  • 3. Data backup and recovery
  • 4. Amazon Macie and GuardDuty
Design Cost-Optimized Architectures20%- Design cost-optimized database solutions
  • 1. Aurora Serverless
  • 2. DynamoDB capacity modes (On-demand vs Provisioned)
  • 3. RDS Reserved Instances
  • 4. ElastiCache for caching
- Design cost-optimized storage solutions
  • 1. S3 Intelligent-Tiering
  • 2. EBS volume type selection
  • 3. EFS cost optimization
  • 4. S3 storage classes and lifecycle policies
- Design cost-optimized compute solutions
  • 1. EC2 purchasing options (On-Demand, Reserved, Spot, Savings Plans)
  • 2. Right-sizing instances
  • 3. AWS Lambda pricing model
  • 4. Auto Scaling for cost optimization
- Design cost-optimized network architectures
  • 1. VPC endpoints to reduce NAT costs
  • 2. AWS Direct Connect for cost optimization
  • 3. Data transfer costs
  • 4. CloudFront to reduce origin load

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SAA-C03日本語版と英語版、SAA-C03学習範囲

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Amazon AWS Certified Solutions Architect - Associate 認定 SAA-C03 試験問題 (Q597-Q602):

質問 # 597
A company has an ecommerce checkout workflow that writes an order to a database and calls a service to process the payment. Users are experiencing timeouts during the checkout process. When users resubmit the checkout form, multiple unique orders are created for the same desired transaction.
How should a solutions architect refactor this workflow to prevent the creation of multiple orders?

正解：C

解説：
Explanation
This approach ensures that the order creation and payment processing steps are separate and atomic. By sending the order information to an SQS FIFO queue, the payment service can process the order one at a time and in the order they were received. If the payment service is unable to process an order, it can be retried later, preventing the creation of multiple orders. The deletion of the message from the queue after it is processed will prevent the same message from being processed multiple times.


質問 # 598
[Design Secure Architectures]
To meet security requirements, a company needs to encrypt all of its application data in transit while communicating with an Amazon RDS MySQL DB instance. A recent security audit revealed that encryption at rest is enabled using AWS Key Management Service (AWS KMS), but data in transit is not enabled.
What should a solutions architect do to satisfy the security requirements?

正解：D

解説：
To satisfy the security requirements, the solutions architect should download AWS-provided root certificates and provide the certificates in all connections to the RDS instance. This will enable SSL/TLS encryption for data in transit between the application and the RDS instance. SSL/TLS encryption provides a layer of security by encrypting data that moves between the client and the server. Amazon RDS creates an SSL certificate and installs the certificate on the DB instance when the instance is provisioned.The application can use the AWS-provided root certificates to verify the identity of the DB instance and establish a secure connection1.
The other options are not correct because they do not enable encryption for data in transit or are not relevant for the use case. Enabling IAM database authentication on the database is not correct because this option only provides a method of authentication, not encryption.IAM database authentication allows users to use AWS Identity and Access Management (IAM) users and roles to access a database, instead of using a database username and password2. Providing self-signed certificates is not correct because this option is not secure or reliable. Self-signed certificates are certificates that are signed by the same entity that issued them, instead of by a trusted certificate authority (CA).Self-signed certificates can be easily forged or compromised, and are not recognized by most browsers and applications3. Taking a snapshot of the RDS instance and restoring it to a new instance with encryption enabled is not correct because this option onlyenables encryption at rest, not encryption in transit.Encryption at rest protects data that is stored on disk, but does not protect data that is moving between the client and the server4.
Reference:
Using SSL/TLS to encrypt a connection to a DB instance - Amazon Relational Database Service IAM database authentication for MySQL and PostgreSQL - Amazon Relational Database Service What are self-signed certificates?
Encrypting Amazon RDS resources - Amazon Relational Database Service


質問 # 599
[Design High-Performing Architectures]
A company has applications that run on Amazon EC2 instances in a VPC One of the applications needs to call the Amazon S3 API to store and read objects. According to the company's security regulations, no traffic from the applications is allowed to travel across the internet.
Which solution will meet these requirements?

正解：B

解説：
VPC Endpoint for S3: A gateway endpoint for Amazon S3 enables you to privately connect your VPC to S3 without requiring an internet gateway, NAT device, VPN connection, or AWS Direct Connect connection.
Configuration Steps:
In the VPC console, navigate to "Endpoints" and create a new endpoint.
Select the service name for S3 (com.amazonaws.region.s3).
Choose the VPC and the subnets where your EC2 instances are running.
Update the route tables for the selected subnets to include a route pointing to the endpoint.
Security Compliance: By configuring an S3 gateway endpoint, all traffic between the VPC and S3 stays within the AWS network, complying with the company's security regulations to avoid internet traversal.
Reference:
VPC Endpoints for Amazon S3


質問 # 600
A company has an ecommerce application that users access through multiple mobile apps and web applications. The company needs a solution that will receive requests from the mobile apps and web applications through an API.
Request traffic volume varies significantly throughout each day. Traffic spikes during sales events. The solution must be loosely coupled and ensure that no requests are lost.
Which solution will meet these requirements?

正解：D

解説：
Integrating API Gateway with an SQS queue ensures that all incoming requests are durably stored, preventing request loss during traffic spikes. A Lambda function can process messages asynchronously, providing a loosely coupled, scalable solution that can handle highly variable workloads. A dead-letter queue ensures failed requests can be investigated and retried.


質問 # 601
A healthcare company stores personally identifiable information (PII) data in an Amazon RDS for Oracle database. The company must encrypt the PII data at rest. The company must use dedicated hardware modules to store and manage the encryption keys.

正解：C

解説：
Amazon RDS supports encryption at rest by using AWS KMS keys backed by AWS CloudHSM. This allows use of dedicated FIPS 140-2 Level 3 validated hardware modules to manage encryption keys, meeting compliance for sensitive data such as PII.
From AWS Documentation:
"You can use AWS KMS with keys that are backed by AWS CloudHSM to control the encryption of RDS databases. This provides dedicated HSM-backed key storage and management." (Source: Amazon RDS User Guide - Encrypting Amazon RDS Resources) Why B is correct:
* Meets the requirement for dedicated HSM hardware.
* Fully integrates with RDS for transparent encryption at rest.
* Satisfies compliance standards for healthcare and regulated data.
Why others are incorrect:
* A: Keys in CloudHSM directly are not used by RDS; they must be managed through KMS integration.
* C: EC2 instance stores are ephemeral, not suitable for RDS databases.
* D: SSE-S3 applies to S3 objects, not databases.
References:
Amazon RDS User Guide - "Encryption at Rest with AWS KMS and CloudHSM"
AWS CloudHSM User Guide
AWS Well-Architected Framework - Security Pillar


質問 # 602
......

近年、当社AmazonのSAA-C03テストトレントは好評を博し、献身的に99％の合格率に達しました。 多くの労働者がより高度な自己改善を進めるための強力なツールとして、当社のSAA-C03認定AWS Certified Solutions Architect - Associateトレーニングは、高度なパフォーマンスと人間中心のテクノロジーに対する情熱を追求し続けています。 さまざまな種類の候補者がSAA-C03認定を取得する方法を見つけるために、多くの研究が行われています。 シラバスの変更および理論と実践の最新の進展に応じて、AWS Certified Solutions Architect - Associateガイドトレントを修正およびJapancert更新します。

SAA-C03日本語版と英語版: https://www.japancert.com/SAA-C03.html

BONUS！！！ Japancert SAA-C03ダンプの一部を無料でダウンロード：https://drive.google.com/open?id=1y5kX6Pacdw5WK37OItcs09VmtPiZ1fy9