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In 2026, improving yourself is not a one-time project; it is a habit. The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification is a solid next rep in that habit, and PrepAwayPDF makes the preparation side simple with 192 practice questions for the JN0-351 exam and a free demo to preview them.
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, Single-answer multiple choice, Multiple-answer multiple choice |
| Related Certifications: | JNCIE-ENT JNCIP-ENT JNCIA-Junos |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Passing Score: | ~60-70% |
| Exam Price: | USD varies by region (typically around $200–$300 USD) |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Recommended Training: | Juniper Learning Portal Juniper Enterprise Routing & Switching Training |
| Exam Registration: | Juniper Certification Registration Pearson VUE Juniper Exams |
| Sample Questions: | DOWNLOAD DEMO |
| 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 3 Routing Fundamentals | - Routing protocols
|
| Topic 2: Tunneling Technologies | - IP tunneling
|
| Topic 3: Layer 2 Switching | - Spanning Tree Protocol (STP/RSTP)
|
| Topic 4: High Availability | - Junos HA features
|
| Topic 5: Layer 2 Security | - Switch security features
|
Questions and Answers About the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam
The JN0-351 exam consists of 65 questions to be answered within 90 minutes minutes. Timed practice under the same constraints is the standard way to make that pace feel comfortable rather than rushed.
The official training options for JN0-351 exam candidates include:
Official courses cover the theory; self-paced practice questions cover the application. Together they make a complete preparation loop.
JNCIA-Junos (JN0-105) recommended as prerequisite knowledge
The official outline organizes the JN0-351 exam into weighted domains such as:
- Tunneling Technologies ()
- High Availability ()
- Layer 3 Routing Fundamentals ()
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) practice questions at PrepAwayPDF follow this same objective map, so every hour of review lands on exam-relevant ground.
The JN0-351 exam is the official assessment for the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification from Juniper. It verifies that you can apply the published exam objectives to practical scenarios, and the resulting credential showcases your capacity in a way employers immediately recognize — a concrete step in any all-round self-improvement plan.
Twenty-four-hour online service, with real people behind it. Once you have purchased the JN0-351 exam materials, our staff shoulders the responsibility of answering your questions patiently and immediately — whether it is a download issue, a question about the content, or help understanding the refund policy. Good materials matter, but so does never being stuck alone with them.
You need ~60-70% to pass the JN0-351 exam, and the fee is USD varies by region (typically around $200–$300 USD) per attempt. Solid preparation before booking is the most cost-effective strategy — practice until your timed scores sit consistently above the passing mark.
Yes, by design. Payments for the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) materials go through an established, secure payment platform, so your card data is protected by the gateway itself. Your personal information — email, address, purchase details — is never leaked or shared with third parties. And if anything does go wrong, the twenty-four-hour support team is there to set it right. A purchase should bring you study materials, not new troubles.
You can register through the official channels below:
Once your practice results are consistent, choose a date and let the deadline sharpen your final review.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Which two statements are correct about Rapid Spanning Tree Protocol (RSTP)? (Choose two.)
- A. RSTP introduces new port roles such as alternate and backup ports.
- B. RSTP provides faster convergence than traditional 802.1D STP.
- C. RSTP uses the same port states as 802.1D STP without modification.
- D. RSTP cannot interoperate with legacy 802.1D STP switches.
Correct Answer: A,B 🗳️
Explanation: Only visible for PrepAwayPDF members. You can sign-up / login (it's free).
You are attempting to configure the initial two aggregated Ethernet interfaces on a router but there are no aggregated Ethernet interfaces available.
In this scenario, which configuration will enable these interfaces on this router?
- A.
- B.
- C.
- D.
Correct Answer: B 🗳️
Explanation: Only visible for PrepAwayPDF members. You can sign-up / login (it's free).
You have configured a GRE interface, but no traffic will flow.
Referring to the exhibit, which statement is true?
- A. The source and destination addresses cannot have the same third octet.
- B. The unit number cannot be 0.
- C. The gr-1/2/0 interface is an invalid GRE interface.
- D. The IP subnet mask cannot be a /32.
Correct Answer: D 🗳️
Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?
- A. A single logical IRB interface must be created and assigned to all three VLANs.
- B. A logical IRB interface must be created and assigned to each VLAN.
- C. A separate routing device is required to forward traffic between the configured VLANs.
- D. The switch ports to which the users are connected should be configured as trunk ports.
Correct Answer: B 🗳️
What are two interarea OSPF LSA types? (Choose two.)
- A. Type 4 ASBR summary LSAs
- B. Type 1 router LSAs
- C. Type 2 network LSAs
- D. Type 3 summary LSAs
Correct Answer: A,D 🗳️
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