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The correct answer is C.

OBJ-5.2: Scanning and enumeration are used to determine open ports and identify the software and firmware/device types running on the host. This is also referred to as footprinting or fingerprinting. This technique is used to create a security profile of an organization by using a methodological manner to conduct the scanning. If this scan is conducted from outside of the organization’s network, it can be used to determine the network devices and information available to an unauthorized and external attacker. A DNS query log review, intranet portal review, or technical control audit would require internal access to the network, which is typically not accessible directly to an external attacker.

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