Enterprise Routing and Switching, Specialist (JNCIS-ENT) (JN0-351)
JN0-351
A Specialist-level exam on the Enterprise Routing and Switching track, covering Layer 2 Switching, Layer 3 Routing, Spanning Tree, and more, rated Medium in difficulty, recommended for candidates with at least 12 months of hands-on experience, consisting of 65 questions in 90 minutes. Prepare with professionally curated practice questions and walk into exam day with confidence.
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Exam Details
- Time Limit
- 90 min
- Passing Score
- 70%%
- Exam Questions
- 65
- Exam Fee
- $300
- Format
- Multiple Choice
- Difficulty
- Medium
- Exp. Needed
- 12 months
- Cert Valid
- 3 yr
- Free Questions
- 20
- Languages
- English
What the JN0-351 Exam Covers
6 official domains
Layer 2 Switching 20%
Layer 3 Routing 20%
Spanning Tree 10%
VLANs and IRB 15%
OSPF and BGP 20%
High Availability 15%
Who Should Take This
JN0-351 target roles
Certification Path
Specialist · Enterprise Routing and Switching
| Prerequisites | JNCIA-Junos |
|---|---|
| Current Exam | JN0-351 |
| Next Step | JNCIP-ENT |
JN0-351 exam guide
How hard is the JN0-351 exam?
The JN0-351 is rated medium in difficulty, most candidates prepare with at least 12 months of hands-on experience. Difficulty varies with your existing hands-on practice, so use the sample questions on this page to gauge where you stand before booking the real test.
How long should you study for the JN0-351?
A practical plan for this difficulty level is 8–12 weeks of focused study at one to two hours a day. Split the time across the official domains below, finish each domain with practice questions, and reserve the final two weeks for full-length timed practice and review of missed questions.
What is the JN0-351 exam format?
Expect around 65 questions, 90 minutes to complete, formats include multiple choice, the current blueprint is version current, the official exam fee is $300 USD. It is offered in English. Check your local testing provider for delivery options and any regional pricing differences.
Who should take the JN0-351 exam?
This is a specialist-level certification, the prerequisite is jncia-junos, typical target roles include network engineer, enterprise network specialist, network administrator. If the role you are aiming for appears on that list, the credential is a direct investment in your next job move rather than a general-purpose certificate.
What comes after the JN0-351?
Candidates who pass usually continue with JNCIP-ENT, this exam sits on the Enterprise Routing and Switching track. Map the whole path before you start studying so each certificate builds on the previous one instead of repeating the same ground.
How do you renew the JN0-351 certification?
The certification remains valid for 3 years, renewal is possible via pass current exam or higher level exam. Plan the renewal before the expiry date so the credential never lapses on your CV or job application.
Certification FAQ
Other ways to test for JN0-351
20 free questions available — two ways to use them.
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