One product, three ways to study. LatestCram delivers the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) bank as a printable PDF, an interactive Windows software version, and an intelligent online version that flags your mistakes until you master them — every format containing the same 192 practice questions for the JN0-351 exam.
Juniper JN0-351 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) |
| Exam Number: | JN0-351 |
| Exam Format: | Multiple choice, Multiple-answer multiple choice, Single-answer multiple choice |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | ~60-70% |
| Related Certifications: | JNCIP-ENT JNCIA-Junos JNCIE-ENT |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Exam Price: | USD varies by region (typically around $200–$300 USD) |
| Recommended Training: | Juniper Learning Portal Juniper Enterprise Routing & Switching Training |
| Exam Registration: | Juniper Certification Registration Pearson VUE Juniper Exams |
| Sample Questions: |  |
| Exam Way: | Pearson VUE proctored exam (online or test center) |
| Pre Condition: | JNCIA-Junos (JN0-105) recommended as prerequisite knowledge |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/certification-tracks/enterprise-routing-switching/jncis-ent.html |
Juniper JN0-351 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Layer 2 Switching | - Spanning Tree Protocol (STP/RSTP)
|
| Topic 2: Tunneling Technologies | - IP tunneling
|
| Topic 3: Layer 2 Security | - Switch security features
|
| Topic 4: Layer 3 Routing Fundamentals | - Routing protocols
|
| Topic 5: High Availability | - Redundancy mechanisms
|
Everything You Wanted to Ask About the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam spans 5 domains, and they are not weighted equally. The top areas are Layer 2 Security, Layer 3 Routing Fundamentals, Layer 2 Switching. Budget your study hours to match those weights; the full domain list is in the outline section further up this page.
Yes. Juniper officially recommends these training options for the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam:
Training builds the foundation — then measure it with the 192 practice questions for the JN0-351 exam from LatestCram to see how you perform when the clock is running.
The JN0-351 exam is Juniper's official certification test, and passing it earns the JNCIS-ENT (Juniper Networks Certified Internet Specialist – Enterprise Routing and Switching) credential at the Specialist level. In career terms, it is verified proof of skill — the kind that moves you up the shortlist when your company works with Juniper technologies, or when you apply to one that does. The same track also includes JNCIA-Junos, JNCIP-ENT, JNCIE-ENT, so this exam can anchor a longer certification plan.
You pass the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam at ~60-70%, and each attempt costs USD varies by region (typically around $200–$300 USD) — fail, and that fee is due again in full for the retake. Treat mock exams as insurance: keep practicing with LatestCram until your scores sit comfortably above ~60-70% twice in a row, then schedule the real JN0-351 exam.
Please do. LatestCram offers a free demo download for the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam — grab it from the product page or leave your email and we will send it over. Purchases come with 365 days of free updates; after that year, extending the update service costs 50% of the original price in your member zone.
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam packs 65 questions into 90 minutes. That ratio leaves almost no room for stalling, so time management is a trained skill, not luck. Our suggestion: rehearse full-length timed sessions in the LatestCram engine, learn to park a question and return later, and walk into the JN0-351 exam with a pacing plan already rehearsed.
JNCIA-Junos (JN0-105) recommended as prerequisite knowledge Since Juniper revises these rules from time to time, confirm the current prerequisites on the official exam page (https://www.juniper.net/us/en/training/certification/certification-tracks/enterprise-routing-switching/jncis-ent.html) before booking your Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam.
Delivery is effectively instant: your JN0-351 download link is emailed within one minute of payment, with no cap on how many computers you install it on. If the email has not shown up within 2 hours, check spam and contact our 7x24 support — we reply quickly and resend immediately. If you fail the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam itself, the refund policy applies when you took the corresponding exam within 60 days of purchase: submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Not covered: attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer material over money? Exchange for two free exam products of equal value and keep the update service on your original purchase.
Use Juniper's official registration channels:
The exam is offered as Pearson VUE proctored exam (online or test center) — choose the format that fits your situation when you schedule.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Referring to the output shown in the exhibit, which two statements are true?
- A. The route is active
- B. The route is a generate route
- C. The route is an aggregate route
- D. The route is not active
Correct Answer: A,B 🗳️
Which two statements about DHCP snooping are correct? (Choose two.)
- A. DHCP snooping inspects all DHCP packets on untrusted ports.
- B. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.
- C. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.
- D. DHCP snooping uses ARP to add statically defined IP addresses to its database.
Correct Answer: A,C 🗳️
A host is connected to your EX Series switch using an interface with persistent MAC learning enabled. When you connect the host to another interface on the same switch, all traffic generated by the host is dropped. Which action should you perform to solve the problem?
- A. Enter the clear dhcp snooping databasecommand.
- B. Disable dynamic ARP inspection.
- C. Configure the interface as a trunk port.
- D. Enter the clear ethernet switching table persistent learningcommand.
Correct Answer: D 🗳️
Which two statements are correct about IS-IS? (Choose two.)
- A. IS-IS only allows you to configure two areas.
- B. IS-IS sends a maximum metric value of 63 by default.
- C. IS-IS uses IPv6 as its transport protocol in the Junos OS implementation.
- D. IS-IS has two metric types and Junos sends both by default.
Correct Answer: B,D 🗳️
Which statement is correct about graceful Routing Engine switchover (GRES)?
- A. The PFE restarts and the kernel and interface information is lost.
- B. GRES has a helper mode and a restarting mode.
- C. When combined with NSR, routing is preserved and the new master RE does not restart rpd.
- D. With no other high availability features enabled, routing is preserved and the new master RE does not restart rpd.
Correct Answer: C 🗳️
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