Other Services

Question 1

Cognito Sync

Answer 1

• simplifies application development by letting you create flexible APIs to securely access, manipulate and combine data from one or more sources
• managed service
• users GraphQL for applications to get exactly the data they need
• allows multiple users to synchronize and collaborate in real team on shared data

Question 2

Term: AWS SAM

Answer 2

Server Application Model

Question 3

AWS SAM (Server Application Model)

Answer 3

• you define the application you want with just a few line per resource and model it using YML
• can simplify the deployment of the server less application by deploying all related resources tighter as a single versioned entity
• Sam package and Sam deploy are the same as AWS cloudformation package and AWS cloudformation deploy

Question 4

AWS Step Functions

Answer 4

• provides a serverless orchestration for modern application
• orchestration centrally manages a workflow by breaking it into multiple steps adding flow logic, tracking inputs and outputs between steps

Question 5

Code Commit

Answer 5

• fully managed source control service using Git based repositories GitHub
• requires credentials.
  
  • must have permissions to access AWS resource (like Code Commit repositories)
• With HTTPS connections you generate a static username and password in IAM

Question 6

CloudWatch

Answer 6

• IntegrationLatency
  
  • metrics to measure the responsiveness of the backend
• Latency
  
  • metrics to measure the overall responsiveness of API calls
• CacheHitCount
  
  • track the number of requests served from the API cache in a given period
• CacheMissCount
  
  • Tracks the number of requests served from the backend in a given period