Home » Amazon » AWS Certified Cloud Practitioner v.2 » Which of the following is an important architectural design principle when designing cloud applications?
Which of the following is an important architectural design principle when designing cloud applications?
A. Use multiple Availability Zones.
B. Use tightly coupled components.
C. Use open source software.
D. Provision extra capacity.
Correct Answer: A
Explanation/Reference:
Explanation:
Data Center resilience is practiced through Availability Zones across data centers that reduce the impact of failures.
Fault isolation improvement can be made to traditional horizontal scaling by sharding (a method of grouping instances into groups called shards, instead of sending the traffic from all users to every node like in the traditional IT structure.)
Reference: https://www.botmetric.com/blog/aws-cloud-architecture-design-principles/
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