Which term describes a packet crafting tool that helps security professionals assess the network?

• A. Anonymizers
• B. Colasoft Packet Builder
• C. IP Address Spoofing
• D. Source Routing

Answer: (B)

Packet crafting lets security professionals create and send customized packets to probe how a network and its defenses respond. A packet crafting tool provides the ability to specify exact headers, flags, and payloads to test firewalls, IDS/IPS, and other network devices, helping assess configurations and detect weaknesses. Colasoft Packet Builder is an example of such a tool, designed to craft and transmit tailor-made packets for evaluating network behavior and security controls. The other options describe techniques or concepts rather than a tool: anonymizers conceal identity, IP address spoofing for forging the source address, and source routing for selecting a path, not for crafting packets.