300-320 Question #564: Real Exam Question with Answer & Explanation

The correct answer is D: propagation. Cisco TrustSec operates through three fundamental processes: classification (assigning Security Group Tags, or SGTs, to traffic), propagation (distributing SGT information across the network), and enforcement (applying policy based on SGT at enforcement points). Propagation is th

Question

Which feature is a fundamental process of the Cisco TrustSec technology?

Options

Amarking
Bdetection
Cprioritization
Dpropagation

Explanation

Cisco TrustSec operates through three fundamental processes: classification (assigning Security Group Tags, or SGTs, to traffic), propagation (distributing SGT information across the network), and enforcement (applying policy based on SGT at enforcement points). Propagation is the process that makes TrustSec scalable - SGT information is propagated either inline (via the CMD header on supported hardware) or via SXP (Security Group Tag Exchange Protocol) for devices that don't support inline tagging. Without propagation, security group policy could only be enforced at the point of ingress, making the technology impractical. Marking (A) is part of classification, not a standalone TrustSec process. Detection (B) and prioritization (C) are not core TrustSec processes.

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