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A company wants to host a publicly available server that performs the following functions:…

A comp

any wants to host a publicly available server that performs the following functions:

Evaluates MX record lookup

Can perform authenticated requests for A and AAA records Uses RRSIG

Which of the following should the company use to fulfill the above

requirements?

Which of the following should the company use to fulfill the above requirements?

A. DNSSEC

B. SFTP

C. nslookup

D. dig

Explanation:

DNS Security Extensions (DNSSEC) provides, among other things, cryptographic authenticity of respo

nses using Resource Record Signatures (RRSIG) and authenticated denial of existence using Next-Secure (NSEC) and Hashed-NSEC records (NSEC3).


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