In an organization where Network Access Control (NAC) has been deployed, a device trying to connect to the network is being placed into an isolated domain. What could be done on this device in order to obtain proper
connectivity?
A.
Connect the device to another network jack
B.
Apply remediation’s according to security requirements
C.
Apply Operating System (OS) patches
D.
Change the Message Authentication Code (MAC) address of the network interface
Network Access Control (NAC) is a technology that enforces security policies and controls on the devices that attempt to access a network. NAC can verify the identity and compliance of the devices, and grant or deny access based on predefined rules and criteria. NAC can also place the devices into different domains or segments, depending on their security posture and role. One of the domains that NAC can create is the isolated domain, which is a restricted network segment that isolates the devices that do not meet the security requirements or pose a potential threat to the network. The devices in the isolated domain have limited or no access to the network resources, and are subject to remediation actions. Remediation is the process of fixing or improving the security status of the devices, by applying the necessary updates, patches, configurations, or software. Remediation can be performed automatically by the NAC system, or manually by the device owner or administrator. Therefore, the best thing that can be done on a device that is placed into an isolated domain by NAC is to apply remediation’s according to the security requirements, which can restore the device’s compliance and enable it to access the network normally.
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