(ISC)2 Certified in Cybersecurity Practice Exam

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What is the software that enables a device to connect to a NAC-protected network?

  1. SNMP agent

  2. Authenticator

  3. Supplicant

  4. Authentication server

The correct answer is: Supplicant

The term "supplicant" refers to a software or application running on a device that seeks to connect to a network protected by Network Access Control (NAC) mechanisms. In the context of NAC, the supplicant initiates the authentication process by providing credentials or other identifying information to the network. This is essential because NAC systems typically enforce policies that require devices to prove their identity and compliance with security policies before granting access to the network. The supplicant communicates with the network's authentication system, often using protocols such as 802.1X, to negotiate access based on the defined security policies. Its role is crucial in ensuring that only authenticated and compliant devices can join or use the network, thus contributing to overall network security.

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