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200-201 · Question #21

200-201 Question #21: Real Exam Question with Answer & Explanation

The correct answer is D: NAT. NAT (Network Address Translation) allows a network to use a single public IP address for multiple devices within a private network. It works by modifying the source or destination IP addresses in the packet headers as the traffic passes through a NAT-enabled device, such as a rou

Submitted by fatima_kr· Mar 6, 2026Network Intrusion Analysis

Question

While viewing packet capture data, an analyst sees that one IP is sending and receiving traffic for multiple devices by modifying the IP header. Which technology makes this behavior possible?

Options

  • Aencapsulation
  • BTOR
  • Ctunneling
  • DNAT

Explanation

NAT (Network Address Translation) allows a network to use a single public IP address for multiple devices within a private network. It works by modifying the source or destination IP addresses in the packet headers as the traffic passes through a NAT-enabled device, such as a router or firewall. This modification allows multiple devices within the local network, using private IP addresses, to communicate with external networks using a single public IP address. NAT translates the private IP addresses of devices within the internal network to the public IP address when communicating with external networks, and vice versa, enabling the sharing of a single public IP address among multiple devices.

Topics

#NAT#packet analysis#IP addressing

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