This section covers key questions. Go back and review.
Elasticity refers to the power to scale computing resources up or down easily
Q1. The benefits of using Amazon EC2 instances compared to physical servers in your infrastructure is:
Note:
2. An AZ is an AWS Infrastructure that is located / distributed across multiple locations, they are isolated within a AWS Region
3. For an AWS Account VPC's can have many subnets but fewer are recommended to reduce complexity
Defined by Dr. Werner Vogel to make informed decisions that affect 'Cloud Native Architecture' design principles
Always consider the 'What if...' scenarios
The 5 Pillars SPROC (Security, Performance Efficiency, Reliability, Operational Excellence, Cost Optimisation)
3 Key focus area of OE are:
A Key service of OE is CloudTrail
An example of OE best practice in prepare - 'Balancing the risk of decision against potential benefit' by considering the trade-offs between operational priorities and making informed decisions
An example of OE best practice in operate - 'Notify Users when they are impacted by events'
An example of OE best practice in evolve - 'Engage business and development teams in operations reviews'
What you need to know for Foundation