Answer :
Final answer:
The standard for Network Access Control (NAC) is a protocol known as 802.1X. The access point utilizes it to verify user login credentials against a central database. This process controls network access and maintains network security.
Explanation:
In the realm of network security, the standard for NAC or Network Access Control is handled by protocols like 802.1X. These protocols are utilized by the access point to query a central login database and ensure the validity of user login credentials. When a user attempts to connect, the access point utilizes the 802.1X protocol to ensure that the user's login credentials are vetted through a central authentication server. If the credentials are identified as valid, access to the network is granted, and if not, access is denied. This mechanism forms a crucial part of ensuring network integrity and security.
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