Implementing and Operating Cisco Security Core Technologies (SCOR) — Question 168

Which exfiltration method does an attacker use to hide and encode data inside DNS requests and queries?

Answer options

• A. DNS tunneling
• B. DNSCrypt
• C. DNS security
• D. DNSSEC

Correct answer: A

Explanation

The correct answer is A, DNS tunneling, as it specifically refers to the technique of encoding data within DNS queries to evade detection. The other options, such as DNSCrypt, DNS security, and DNSSEC, focus on enhancing DNS security and integrity, rather than on data exfiltration methods.