Certified Ethical Hacker 312-50v10 – Question015

You have successfully gained access to a Linux server and would like to ensure that the succeeding outgoing traffic from this server will not be caught by Network-Based Intrusion
Detection Systems (NIDS).

What is the best way to evade the NIDS?

Out of band signaling
B. Protocol Isolation
C. Encryption
D. Alternate Data Streams

Correct Answer: C