Topics Covered

Domain 1: Design Resilient Architectures

• 1.1: Design a multi-tier architecture solution
  • Determine a solution design based on access patterns.
  • Determine a scaling strategy for components used in a design
  • Select an appropriate database based on requirements.
  • Select an appropriate compute and storage service based on requirements.

• 1.2 Design highly available and/or fault-tolerant architectures
  •  Determine the amount of resources needed to provide a fault-tolerant architecture across Availability Zones.
  • Select a highly available configuration to mitigate single points of failure.
  • Apply AWS services to improve the reliability of legacy applications when application changes are not possible.
  • Select an appropriate disaster recovery strategy to meet business requirements.
  • Identify key performance indicators to ensure the high availability of the solution.

• 1.3 Design decoupling mechanisms using AWS services
  • Determine which AWS services can be leveraged to achieve loose coupling of components.
  • Determine when to leverage serverless technologies to enable decoupling

• 1.4 Choose appropriate resilient storage
  • Define a strategy to ensure the durability of data.
  • Identify how data service consistency will affect the operation of the application.
  • Select data services that will meet the access requirements of the application.
  • Identify storage services that can be used with hybrid or non-cloud-native applications.

Domain 2: Design High-Performing Architectures

• 2.1 Identify elastic and scalable compute solutions for a workload
  • Select the appropriate instance(s) based on compute, storage, and networking requirements.
  • Choose the appropriate architecture and services that scale to meet performance
    requirements.
  • Identify metrics to monitor the performance of the solution.

• 2.2 Select high-performing and scalable storage solutions for a workload
  • Select a storage service and configuration that meets performance demands.
  • Determine storage services that can scale to accommodate future needs.

• 2.3 Select high-performing networking solutions for a workload
  • Select appropriate AWS connectivity options to meet performance demands.
  • Select appropriate features to optimize connectivity to AWS public services.
  • Determine an edge caching strategy to provide performance benefits.
  • Select appropriate data transfer service for migration and/or ingestion.

• 2.4 Choose high-performing database solutions for a workload
  • Select an appropriate database scaling strategy.
  • Determine when database caching is required for performance improvement.
  • Choose a suitable database service to meet performance needs.

Domain 3: Design Secure Applications and Architectures

• 3.1 Design secure access to AWS resources
  • Determine when to choose between users, groups, and roles.
  • Interpret the net effect of a given access policy.
  • Select appropriate techniques to secure a root account.
  • Determine ways to secure credentials using features of AWS IAM.
  • Determine the secure method for an application to access AWS APIs.
  • Select appropriate services to create traceability for access to AWS resources.

• 3.2 Design secure application tiers
  • Given traffic control requirements, determine when and how to use security groups and network ACLs.
  • Determine a network segmentation strategy using public and private subnets.
  • Select the appropriate routing mechanism to securely access AWS service endpoints or internet-based resources from Amazon VPC.
  • Select appropriate AWS services to protect applications from external threats.

• 3.3 Select appropriate data security options
  • Determine the policies that need to be applied to objects based on access patterns.
  • Select appropriate encryption options for data at rest and in transit for AWS services.
  • Select appropriate key management options based on requirements.

Domain 4: Design Cost-Optimized Architectures

• 4.1 Identify cost-effective storage solutions
  • Determine the most cost-effective data storage options based on requirements.
  • Apply automated processes to ensure that data over time is stored on storage tiers that minimize costs.

• 4.2 Identify cost-effective compute and database services
  • Determine the most cost-effective Amazon EC2 billing options for each aspect of the workload.
  • Determine the most cost-effective database options based on requirements.
  • Select appropriate scaling strategies from a cost perspective.
  • Select and size compute resources that are optimally suited for the workload.
  • Determine options to minimize total cost of ownership (TCO) through managed services and serverless architectures.

• 4.3 Design cost-optimized network architectures
  • Identify when content delivery can be used to reduce costs.
  • Determine strategies to reduce data transfer costs within AWS.
  • Determine the most cost-effective connectivity options between AWS and on-premises environments.