CompTIA
CAS-005 · Question #406
A company notices that cloud environment costs increased after using a new serverless solution based on API requests. Many invalid requests from unknown IPs were found, often within a short time. Whic
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Submitted by jakub_pl· Mar 6, 2026Security Engineering
Question
A company notices that cloud environment costs increased after using a new serverless solution based on API requests. Many invalid requests from unknown IPs were found, often within a short time. Which of the following solutions would most likely solve this issue, reduce cost, and improve security?
Options
- AUsing digital certificates for known customers and performing API authorization through those
- BDefining request rate limits and comparing new requests from unknown IPs with a list of known-
- CSetting authentication processes for the API requests as well as proper rate limits according to
- DOnly allowing API requests coming from regions with known customers
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