Which two controls address different API security requirements? Select two.

Select all that apply. Every correct option and no extras are required for credit in the app.

A.Treat a subscription key as permission to every user's data
B.Use rate limiting as the only ownership check
C.Accept a client-provided tenant identifier without validation
D.Validate the intended issuer, audience, and required token claims
E.Enforce business-object permissions in trusted backend logic

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✓ Correct answers

Validate the intended issuer, audience, and required token claims
Enforce business-object permissions in trusted backend logic

Token validation establishes suitable identity evidence, while backend authorization controls the requested objects. Subscription keys and rate limits are not ownership checks, and untrusted tenant identifiers can enable cross-tenant access.

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