SDSI Secure Infrastructure Design Practice Question
Which design component is necessary for implementing Cisco TrustSec across a multi-switch campus?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SXP (SGT Exchange Protocol).
SXP (SGT Exchange Protocol) is required to propagate SGT (Scalable Group Tag) information to switches that do not natively support hardware-based tagging.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
VLAN Trunking Protocol (VTP).
Why it's wrong here
VTP is for VLAN management, not SGT propagation.
- ✗
LLDP.
Why it's wrong here
LLDP is for device discovery.
- ✓
SXP (SGT Exchange Protocol).
Why this is correct
SXP propagates SGTs between devices.
- ✗
802.1Q.
Why it's wrong here
802.1Q doesn't carry SGT tags.
About these practice questions
One of 298 original SDSI practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This SDSI practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SDSI exam.