Certified Ethical Hacker v11 312-50v11 – Question248

When conducting a penetration test, it is crucial to use all means to get all available information about the target network. One of the ways to do that is by sniffing the network. Which of the following cannot be performed by the passive network sniffing?

A.
Capturing a network traffic for further analysis
B. Collecting unencrypted information about usernames and passwords
C. Modifying and replaying captured network traffic
D. Identifying operating systems, services, protocols and devices

Correct Answer: C