What is a DNS tunnel?

Posted by: Pdfprep Category: 210-250 Tags: , ,

What is a DNS tunnel?
A . A type of VPN tunnel that uses DN
C . A type of MPLS deployment that uses DN
E . DNS was not created for tunneling, but a few tools have used it to encapsulate data in the payload of DNS packets.
F . An encryption tunneling protocol that uses DNS’s UDP port 53.

Answer: B

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