SD-WAN-Engineer Operations And Monitoring Practice Question
When configuring Data Center Interconnect (DCI) between two sites, you notice that routing loops are occurring. What is the most effective way to prevent this in a dual-homed DCI scenario?
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
✓
Implement Site-of-Origin (SoO) extended communities on the DCI links.
Setting appropriate OMP administrative distances or using site-of-origin tags prevents routing loops in DCI.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Disable OMP on the DCI interface.
Why it's wrong here
Disabling OMP would break the overlay connectivity.
- ✗
Increase the OMP cost on all routes.
Why it's wrong here
Increasing cost is a path selection mechanism, not a loop prevention mechanism.
- ✓
Implement Site-of-Origin (SoO) extended communities on the DCI links.
Why this is correct
SoO tags are specifically designed to prevent loops in multi-homed BGP/OMP environments.
- ✗
Configure a static route to the peer site.
Why it's wrong here
Static routes do not prevent dynamic routing loops effectively in complex topologies.
About these practice questions
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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 Palo Alto Networks exam blueprint
This SD-WAN-Engineer practice question is part of Courseiva's free Palo Alto Networks 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 SD-WAN-Engineer exam.