Preparing Practice Exam…
Please wait a moment while the system generates the exam questions, answers, and study session.
Please wait a moment while the system generates the exam questions, answers, and study session.
Implementing and Operating Cisco Security Core Technologies (SCOR) · Cisco
Select one answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
A) DNS tunneling is a technique attackers use to hide stolen data inside DNS requests. Since DNS traffic is usually allowed through firewalls, they sneak data out of a network by encoding it inside DNS queries.
It's A DNS tunneling can establish command and control. Or, it can exfiltrate data. https://bluecatnetworks.com/blog/four-major-dns-attack-types-and-how-to-mitigate-them/