FORTINET-NSE123 Practice Question: Nse 2 Technical Introduction TO Fortinet Security
When configuring dynamic routing on a FortiGate using OSPF, what is the function of a designated router (DR) in a multi-access broadcast network?
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
✓
To centralize LSA exchanges and minimize routing protocol traffic on multi-access broadcast networks
In OSPF broadcast networks, a Designated Router (DR) minimizes routing protocol traffic by acting as a central collection and distribution point for link-state advertisements (LSAs) among all routers on that segment.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To translate private internal IP addresses to public IPs for internet browsing
Why it's wrong here
IP address translation is performed by NAT and VIPs.
- ✗
To encrypt user data traffic traversing IPsec VPN tunnels between headquarters and branches
Why it's wrong here
Data encryption is handled by IPsec ESP, not OSPF DR elections.
- ✗
To distribute antivirus signature updates to isolated FortiGate appliances
Why it's wrong here
Antivirus signatures are distributed via FortiGuard or FortiManager.
- ✓
To centralize LSA exchanges and minimize routing protocol traffic on multi-access broadcast networks
Why this is correct
The DR optimizes OSPF traffic by reducing full-mesh adjacencies on broadcast segments.
Visual reference
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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 Fortinet exam blueprint
This FORTINET-NSE123 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 FORTINET-NSE123 exam.