- Exam Code: JN0-351
- Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
- Updated: Oct 14, 2026
- Q & A: 192 Questions and Answers
Juniper JN0-351 actual dump : Enterprise Routing and Switching, Specialist (JNCIS-ENT)
PDF Version DemoAbout Juniper JN0-351 Exam Questions
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Juniper JN0-351 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam |
| Exam Number: | JN0-351 |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Passing Score: | Not publicly disclosed (approx. 65%-70%) |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIE-ENT JNCIP-ENT JNCIA-Junos |
| Exam Price: | $200 USD |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Juniper Learning Portal |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite testing center (Pearson VUE) |
| Pre Condition: | Valid JNCIA-Junos certification |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html |
Juniper JN0-351 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Tunnels | - IP-IP, GRE, IPsec tunnels - Configuration, monitoring and troubleshooting |
| Topic 2: Spanning Tree Protocol | - Root bridge, port roles and states - Configuration, monitoring and troubleshooting - STP, RSTP, MSTP concepts and operation |
| Topic 3: OSPF | - OSPFv2/v3 concepts, areas, LSA types - Neighbor relationships, route calculation - Configuration, monitoring and troubleshooting |
| Topic 4: Protocol Independent Routing | - Routing tables, routing preferences - Static routes, aggregate routes - Configuration, monitoring and troubleshooting - Routing policy and firewall filters |
| Topic 5: Layer 2 Switching and VLANs | - VLAN concepts, tagging, ports, native VLAN - Inter-VLAN routing - Configuration, monitoring and troubleshooting - Layer 2 switching concepts and operation |
| Topic 6: BGP | - IBGP, EBGP, route policies - BGP concepts, attributes, path selection - Configuration, monitoring and troubleshooting |
| Topic 7: High Availability | - Virtual Chassis, redundant routing engines - Graceful restart, nonstop active routing - Configuration, monitoring and troubleshooting |
| Topic 8: Layer 2 Security | - Layer 2 firewall filters - Port security, storm control, MAC limiting - Dynamic ARP inspection, DHCP snooping - Configuration, monitoring and troubleshooting |
| Topic 9: IS-IS | - IS-IS concepts, levels, routing information - Configuration, monitoring and troubleshooting |
Everything About Our JN0-351 Materials and Policies
Juniper recommends the following official training options:
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According to the latest exam information, the JN0-351 exam contains 65 questions within 90 minutes minutes. The testing engine reproduces that scope and calculates your final practice score — a useful reference for judging real-exam readiness.
At present, the JN0-351 exam requires a passing score of Not publicly disclosed (approx. 65%-70%), with a registration fee of $200 USD. Juniper sets both figures and may revise them, so confirm on the official site before you schedule.
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) blueprint covers these core domains:
- Protocol Independent Routing
- High Availability
- Tunnels
Further domains complete the official outline; the question bank addresses all of them.
With data, not guesswork. The JN0-351 testing engine is user-friendly and easy to install; upon completion of each practice test, it calculates your final score, giving you a concrete reference for the real exam. Behind the tools, professionals and IT specialists compose the materials, and every answer is expert-verified — aligned with the real exam's format across the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) objectives. Before buying, try the free demo questions to test your knowledge; after buying, 24/7 Customer Service and Live Support assist with any problem, and you can ask the team for a discount code. That is the remarkable experience we work to provide.
Juniper states the following prerequisites for the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT): Valid JNCIA-Junos certification.
Check the authoritative wording on the official certification page before booking.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question #1
Which command solves the error that you see in the exhibit?
- A. set ge-0/0/2 unit 0 family ethernet-switching vlan members [default v11]
- B. delete ge-0/0/2 unit 0 family ethernet-switching vlan members default
- C. delete ge-0/0/2 unit 0 family ethernet-switching vlan members all
- D. set ge-0/0/2 unit 0 family ethernet-switching vlan members all
Correct Answer: B 🗳️
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Question #2
You have configured a GRE interface, but no traffic will flow.
Referring to the exhibit, which statement is true?
- A. The IP subnet mask cannot be a /32.
- B. The gr-1/2/0 interface is an invalid GRE interface.
- C. The unit number cannot be 0.
- D. The source and destination addresses cannot have the same third octet.
Correct Answer: A 🗳️
Question #3
Which statement is correct about Junos OS class of service (CoS) forwarding classes?
- A. Forwarding classes are only used for ingress filtering.
- B. Each interface can only support a single forwarding class.
- C. A forwarding class determines the output queue to which a packet is assigned for scheduling.
- D. Forwarding classes replace the need for classifiers.
Correct Answer: C 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
Question #4
Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?
- A. connectivity
- B. area mismatch
- C. MTU mismatch
- D. authentication mismatch
Correct Answer: B 🗳️
Question #5
Which statement is correct about the default administrative distance values used by Junos OS?
- A. OSPF has a lower administrative distance than static routes.
- B. iBGP and eBGP always share the same administrative distance.
- C. Static routes have a lower administrative distance than OSPF and BGP by default.
- D. Directly connected routes have the highest administrative distance.
Correct Answer: C 🗳️
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