Which profiling probe collects the user-agent string?
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A. B. C. D.B.
The correct answer is B. HTTP.
Profiling probes are used by Cisco Identity Services Engine (ISE) to gather information about network devices, endpoints, and users to enforce policies and provide network access control. These probes use various techniques to collect data, including DHCP, HTTP, NMAP, and AD.
The user-agent string is a piece of data transmitted by a web browser or other HTTP client software that identifies the client's operating system, browser, and version number. This information can be used by ISE to determine the type of endpoint device, which can be useful in enforcing network access policies.
The HTTP profiling probe collects the user-agent string by intercepting and analyzing HTTP traffic between the endpoint device and the network. When an endpoint device makes an HTTP request, the user-agent string is included in the request headers, and the profiling probe captures this information.
DHCP profiling probe collects information about the IP address, MAC address, and hostname of an endpoint device by monitoring DHCP traffic.
NMAP profiling probe uses the NMAP tool to perform network scanning to gather information about the devices on the network.
AD profiling probe collects information about user and device identities from Active Directory.
In summary, the HTTP profiling probe is the correct answer to this question as it is the one that collects the user-agent string.