JNCIP-ENT Class OF Service Practice Question
What is the default number of forwarding classes available on Juniper MX Series routers equipped with Modular Port Concentrators (MPCs)?
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
✓
64
Junos supports up to 64 forwarding classes on modern MPC-based hardware platforms, though default configurations typically use a subset.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
4
Why it's wrong here
4 was common on older M-series platforms.
- ✗
8
Why it's wrong here
8 is the default configuration set, but hardware supports more.
- ✓
64
Why this is correct
Junos supports a maximum of 64 forwarding classes on MPC hardware.
- ✗
16
Why it's wrong here
Modern MPCs support up to 64 forwarding classes.
About these practice questions
Courseiva writes every JNCIP-ENT question from scratch — 332 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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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 JNCIP-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 JNCIP-ENT exam.