SDSI Secure Infrastructure Design Practice Question
In a multi-cloud design, which protocol is preferred for secure inter-site communication to support micro-segmentation?
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
✓
VXLAN with SGTs.
VXLAN with SGT (Group-Based Policy) allows for consistent policy enforcement across multi-cloud and data center environments.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
VXLAN with SGTs.
Why this is correct
VXLAN carries group-based policy information across the network.
- ✗
Standard GRE.
Why it's wrong here
GRE lacks native identity/segmentation capabilities.
- ✗
VLAN tagging.
Why it's wrong here
VLANs don't support the scale or segmentation depth of SGTs.
- ✗
802.1Q.
Why it's wrong here
802.1Q is limited to L2 segmentation.
About these practice questions
Courseiva writes every SDSI question from scratch — 298 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. 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.