Exam-style
A team plans to give one Bedrock guardrail five jobs: block self-harm content, refuse questions about competitor pricing, redact phone numbers from responses, flag answers unsupported by the retrieved passages, and produce the quarterly bias report. Which job will the guardrail not do?
Reveal the answer
E. Producing the bias report, which is an offline measurement job rather than runtime enforcement
Guardrails cover the first four directly: content filters handle self-harm and other harm categories, denied topics refuse competitor pricing, PII filters redact or mask phone numbers, and the contextual grounding check flags output the retrieved passages do not support. What guardrails never do is measure, so the bias report comes from an offline evaluation run with a Bedrock model-evaluation job or the open-source fmeval library. Enforcement at runtime and measurement before launch are separate machinery.
Q. What does Bedrock Guardrails actually enforce at runtime?
A. Content filters, Denied topicsSubjects you describe in plain language that a Bedrock Guardrail refuses to discuss, whichever way a user phrases the request., word and PII filters, a contextual grounding check that flags ungrounded or hallucinated output, and automated reasoning checks for policy. It enforces safety; it does not measure bias.
Why? Guardrails is runtime enforcement; bias measurement is a separate, offline job.