A company has publicly hosted web applications and an internal Intranet protected by a firewall. Which technique will help protect against enumeration?

A. Reject all invalid email received via SMTP.

B. Allow full DNS zone transfers.

C. Remove A records for internal hosts.

D. Enable null session pipes.








 

Suggested Answer: C





This question is in 312-50V9 EC-Council Certified Ethical Hacker v9 Exam
For getting EC-Council Certified Ethical Hacker (CEH) Certificate







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