What is the next action taken by the Cisco NAC Appliance after it identifies a vulnerability on a client device?
A . denies the client network resource access
B . repairs the effected devices
C . generates a Syslog message
D . permits the client but limits to guest access
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/security/nac/appliance/configuration_guide/47/cam/47cam-book/m_intro.html
"Cisco NAC Appliance compliance policies reduce the threat of computer viruses, worms, and other malicious code on your network. Cisco NAC Appliance is a powerful tool that enables you to enforce network access requirements, detect security threats and vulnerabilities on clients, and distribute patches, antivirus and antispyware software. It lets you block access or quarantine users who do not comply with your security requirements, thereby stopping viruses and worms at the edge of the network, before they can do harm."
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