The verified answer is B. Endpoints are user or service devices that connect to the network, and they become a risk if compromised. Laptops, phones, printers, cameras, and servers can all provide an attacker with a foothold if poorly secured. Cisco CCNA 200-301 v1.1 places this skill in Security Fundamentals, where the exam expects a working understanding of how the feature behaves on real Cisco networks, not just a memorized command. Endpoints do not act as routers by definition and do not enforce campus-wide Internet policy. In production, this distinction matters because a misapplied command or design choice usually creates an outage, a security gap, or unnecessary troubleshooting noise. The correct choice matches the control-plane, data-plane, wireless, security, or services behaviour described in the scenario and should be preferred over options that merely sound related.
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