JNCIS-ENT BGP Practice Question
Which TCP port is used by BGP to establish communication between peers?
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
✓
TCP 179
BGP operates over TCP port 179.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
UDP 520
Why it's wrong here
UDP 520 is used for RIP.
- ✓
TCP 179
Why this is correct
BGP uses TCP port 179 for session establishment and communication.
- ✗
TCP 80
Why it's wrong here
TCP 80 is used for HTTP.
- ✗
TCP 500
Why it's wrong here
TCP 500 is used for IKE/IPsec.
About these practice questions
One of 506 original JNCIS-ENT practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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 Juniper Networks exam blueprint
This JNCIS-ENT practice question is part of Courseiva's free Juniper 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 JNCIS-ENT exam.