SDSI Secure Infrastructure Design Practice Question
When designing a VPN for a multi-tenant cloud environment, which technology allows for the separation of routing tables to ensure traffic isolation between tenants?
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
✓
VRF-Lite
VRF-Lite (Virtual Routing and Forwarding) allows multiple instances of a routing table to coexist on the same router, providing tenant isolation.
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 tagging
Why it's wrong here
VLANs provide layer 2 isolation, but VRFs provide layer 3 routing isolation.
- ✓
VRF-Lite
Why this is correct
VRF-Lite isolates routing traffic per tenant at the layer 3 level.
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Access Control Lists
Why it's wrong here
ACLs filter traffic but do not separate routing tables.
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IPsec Tunnels
Why it's wrong here
IPsec tunnels provide encryption, not routing table separation.
About these practice questions
This SDSI question is part of Courseiva's 298-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.