NSE7 Advanced Networking and SD-WAN Practice Question
Which routing technique allows a FortiGate to forward packets based on source IP address, destination IP address, or other criteria, in addition to the destination IP alone?
⚠ Common exam trap
It's easy for candidates to confuse Policy-Based Routing with ECMP, assuming ECMP can also use source IP for path selection, but ECMP only balances traffic based on destination IP and does not support criteria like source IP or application without additional configuration like PBR or SD-WAN rules.
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
✓
Policy-Based Routing (PBR)
Policy-Based Routing (PBR) allows a FortiGate to forward packets based on criteria beyond the destination IP address, such as source IP, destination port, protocol, or application. This is achieved by configuring policy routes that override the default routing table lookup, enabling granular traffic steering for advanced networking scenarios like SD-WAN.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Policy-Based Routing (PBR)
Why this is correct
PBR uses policies to route traffic based on various attributes.
- ✗
RIP
Why it's wrong here
RIP is a distance-vector routing protocol based on hops.
- ✗
OSPF route redistribution
Why it's wrong here
Redistribution injects routes into OSPF, not criteria-based forwarding.
- ✗
ECMP
Why it's wrong here
ECMP balances across equal-cost routes based on destination.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet 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 NSE7 exam.