1 - Cloud Concepts

Question 1

Availability​

Answer 1

what percentage of time does a system respond properly to requests, expressed as a percentage over time

Question 2

Fault Tolerance

Answer 2

• ability to tolerate hardware failures in your system.

- Made up of several services

Question 3

Agility

Answer 3

the ability to respond to change “rapidly” based on changes to market or environment

Question 4

High Availability​

Answer 4

a system specifically designed to be resilient when some component of the system fails

Question 5

Event Grid

Answer 5

• managed event distributor using Publish-Subscribe model
• For serverless computing
• Supports events coming from Azure services, like storage blobs or resource groups
• route specific events to different endpoints
• make sure your events are reliably delivered.

Question 6

Serverless - benefits

Answer 6

+Only charged when code is executed
+app is elastic
+less management
+works well with microservices

Question 7

Serverless - negatives

Answer 7

• latency due to cold start
  
  • time consuming to move to another provider
  • lack of resource control
  • challenge when developing complex apps