Cisco
350-701 · Question #96
Which exfiltration method does an attacker use to hide and encode data inside DNS requests and queries?
The correct answer is A. DNS tunneling. 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/
Submitted by skyler.x· Mar 30, 2026
Question
Which exfiltration method does an attacker use to hide and encode data inside DNS requests and queries?
Options
- ADNS tunneling
- BDNSCrypt
- CDNS security
- DDNSSEC
How the community answered
(31 responses)- A94% (29)
- B3% (1)
- C3% (1)
Explanation
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/
Topics
#DNS tunneling#Data exfiltration#Network attacks
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