Certified Ethical Hacker (CEH v11) — Question 269

Which of the following is the BEST way to defend against network sniffing?

Answer options

• A. Using encryption protocols to secure network communications
• B. Register all machines MAC Address in a Centralized Database
• C. Use Static IP Address
• D. Restrict Physical Access to Server Rooms hosting Critical Servers

Correct answer: A

Explanation

The best way to defend against network sniffing is by using encryption protocols, as they protect data in transit from being intercepted and read. The other options, while they may enhance security in different ways, do not directly prevent unauthorized access to the data being transmitted over the network.