JNCIS-ENT Protocol Independent Routing Practice Question
Which TWO statements are true regarding aggregate routes in Junos OS? (Choose two)
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
✓
Aggregate routes have a default preference of 130.
Aggregate routes summarize more-specific routes and do not forward traffic themselves unless paired with discard/reject or resolved via contributing routes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Aggregate routes have a default preference of 130 in Junos.
Why it's wrong here
Aggregate routes have a default preference of 130? Wait, aggregate routes in Junos have a default preference of 130. Let's verify: yes, aggregate routes have a default preference of 130.
- ✓
Aggregate routes have a default preference of 130.
Why this is correct
The default preference for aggregate routes in Junos is indeed 130.
- ✗
An aggregate route automatically forwards traffic even if no contributing routes exist.
Why it's wrong here
Without contributing routes, aggregate routes are inactive.
- ✗
Aggregate routes require a physical interface to be specified as the next-hop.
Why it's wrong here
Aggregate routes do not use physical next-hops directly; they rely on contributing routes.
- ✓
Aggregate routes can be used to summarize multiple static or dynamic routes into a single advertisement.
Why this is correct
Aggregation is used to summarize routes for cleaner routing tables and protocol advertisements.
Visual reference
About these practice questions
This JNCIS-ENT question is part of Courseiva's 519-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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.