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Service-level objectives (SLOs) are best described as:
AThe compression ratio used for object storage
BThe maximum CPU clock speed the provider sells
CA legally-binding refund clause inside the cloud contract
DA target value or range (e.g. 99.9% success rate over 28 days) that defines acceptable performance for a user-facing service
Answer & Solution
Correct answer: D. A target value or range (e.g. 99.9% success rate over 28 days) that defines acceptable performance for a user-facing service
An SLO is the engineering target; the SLA (Service Level Agreement) is the customer-facing contractual promise (often with refunds). The other options are unrelated.
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