Certified Cloud Security Professional (CCSP) Practice Exam

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Which term best describes a suite of extensions that validates DNS responses?

Domain Name System (DNS)
Converged networking model
Domain Name System Security Extensions (DNSSEC)
Oversubscription

The correct answer is: Domain Name System Security Extensions (DNSSEC)

The correct answer is Domain Name System Security Extensions (DNSSEC). DNSSEC is a suite of extensions that adds an extra layer of security to the Domain Name System (DNS) by validating DNS responses and ensuring they are not falsified or modified during transmission. Domain Name System (DNS) (A) is the general term for the system that translates domain names into IP addresses. The Converged networking model (B) is a networking model that combines data, voice, and video onto a single network. Oversubscription (D) refers to the practice of selling more network bandwidth than is actually available. While these options may be related to networking, they are not directly related to the validation of DNS responses. Therefore, C is the best term to describe a suite of extensions that validates DNS responses.