What is a requirement for Feed Service to work?
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A. B. C. D.B.
The Feed Service in Cisco Identity Services Engine (ISE) provides access to third-party threat intelligence feeds that can be used for network security policies. In order for the Feed Service to work, the following requirement must be met:
D. Cisco ISE has Internet access to download feed updates.
The Feed Service in Cisco ISE requires an internet connection to download and update threat intelligence feeds from third-party providers. These feeds provide the latest information on security threats, vulnerabilities, and malware. Cisco ISE uses this information to enhance its own threat detection capabilities and to enforce network access policies based on this threat intelligence.
Option A (TCP port 8080 must be opened between Cisco ISE and the feed server) is not a requirement for the Feed Service to work. This port may be used by certain feed providers, but it is not a universal requirement.
Option B ( Cisco ISE has access to an internal server to download feed updates) is not a valid requirement either. The Feed Service in Cisco ISE relies on external threat intelligence feeds, so there is no internal server to download updates from.
Option C ( Cisco ISE has a base license) is also not a requirement for the Feed Service to work. The Feed Service is available in all versions of Cisco ISE, including the base license. However, certain advanced features may require a higher-level license.
In summary, the correct answer is D: Cisco ISE must have internet access to download feed updates from third-party threat intelligence providers.