Cloud Concepts第 7 / 100 题
What does the term 'high availability' mean for a system running in the cloud?
a.The system uses the cheapest possible resources
b.The system stores data in a single location
c.The system remains operational and accessible for a very high percentage of time
d.The system can only be accessed by administrators
解析
High availability means a system is designed to stay up and reachable with minimal downtime, often by removing single points of failure. On AWS this is commonly achieved by spreading resources across multiple Availability Zones.
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