Câu 4: SEC504: Hacker Tools Techniques Exploits and Incident Handling

Which of the following is the best method of accurately identifying the services running on a victim host?

1. A. Use of the manual method of telnet to each of the open ports. — đáp án hiện tại
2. B. Use of a port scanner to scan each port to confirm the services running.
3. C. Use of hit and trial method to guess the services and ports of the victim host.
4. D. Use of a vulnerability scanner to try to probe each port to verify which service is running.