Cloud Technology & Services第 61 / 100 题
What is an Availability Zone (AZ)?
a.A global DNS service
b.A type of EC2 instance
c.A billing report
d.One or more discrete data centers with redundant power and networking within a Region
解析
An Availability Zone consists of one or more discrete data centers with independent power, cooling, and networking, isolated from failures in other AZs. Deploying across multiple AZs increases availability and fault tolerance.
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