Which feature does Cisco TrustSec use to provide scalable, secure communication throughout a network?

Which feature does Cisco TrustSec use to provide scalable, secure communication throughout a network?
A. security group tag ACL assigned to each port on a switch
B. security group tag number assigned to each user on a switch
C. security group tag number assigned to each port on a network
D. security group tag ACL assigned to each router on a network

Correct Answer: B

Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.cisco.com/c/dam/en/us/solutions/collateral/borderless-networks/trustsec/C07-730151-00_overview_of_trustSec_og.pdf