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Juniper JN0-351 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) |
| Exam Number: | JN0-351 |
| Passing Score: | Not specified (Pass/Fail status available immediately) |
| Exam Price: | $300 USD |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIS-ENT |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple-choice questions |
| Sample Questions: |  |
| Exam Way: | Pearson VUE testing centers (In-person) |
| Pre Condition: | Recommended: 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: BGP | - BGP configuration and troubleshooting |
| Topic 2: OSPF | - OSPF configuration and troubleshooting |
| Topic 3: High Availability | - High availability design and integration - VRRP and redundancy protocols |
| Topic 4: Spanning Tree Protocol | - Port roles interpretation - Loop prevention and redundancy - Convergence issues identification - Bridge priority and port cost optimization - STP topology design and troubleshooting |
| Topic 5: Protocol Independent Routing | - Routing fundamentals |
| Topic 6: IS-IS | - IS-IS configuration and troubleshooting |
| Topic 7: Layer 2 Switching or VLANs | - VLAN concepts and functionalities - Configuration, monitoring, and troubleshooting - Ports and tagging - Bridging components - Frame processing - Native VLANs and voice VLANs - Inter-VLAN routing |
| Topic 8: Tunnels | - Tunnel technologies |
| Topic 9: Layer 2 Security | - Port security implementation - DHCP snooping - Dynamic ARP inspection - Common Layer 2 attack mitigation |
JN0-351 Exam Details and Your Advantages
Written down, so you have nothing to worry about. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims receive a full refund within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. Prefer a different direction? Exchange your product for two others of equal value at no charge.
Upon successful payment, our system automatically emails the product to your mailbox — typically within about a minute — with an instant download link on screen. The testing engine is user-friendly and easy to install, so practice starts immediately. If nothing arrives within two hours, check your spam folder and contact our 24/7 Customer Service. Once purchased, you are granted access to all updates for 365 days, delivered automatically on release, with a 50% renewal discount afterward.
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 specified (Pass/Fail status available immediately), with a registration fee of $300 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
- Layer 2 Switching or VLANs
- BGP
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): Recommended: JNCIA-Junos certification.
Check the authoritative wording on the official certification page before booking.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Which statement concerning Bidirectional Forwarding Detection (BFD) is true for the configuration shown in the exhibit?
- A. The link to neighbor 192.168.100.2 is not using BFD.
- B. The minimum-interval must match on both ends.
- C. The effective interval for neighbor 192.168.100.2 is 500 ms.
- D. The effective interval for neighbor 172.30.1.2 is 500 ms.
Correct Answer: C 🗳️
In a LAN segment, which tie-breaker would spanning tree consider if equal-cost paths exist between two or more switches to the root bridge?
- A. bridge ID
- B. port ID
- C. interface number
- D. port priority
Correct Answer: A 🗳️
Which two statements are correct about tunnels? (Choose two.)
- A. BFD cannot be used to monitor tunnels.
- B. IP-IP tunnels are stateful.
- C. Tunnels add additional overhead to packet size.
- D. Tunnel endpoints must have a valid route to the remote tunnel endpoint.
Correct Answer: C,D 🗳️
Explanation: Only visible for Real4Prep members. You can sign-up / login (it's free).
What are two interarea OSPF LSA types? (Choose two.)
- A. Type 4 ASBR summary LSAs
- B. Type 2 network LSAs
- C. Type 3 summary LSAs
- D. Type 1 router LSAs
Correct Answer: A,C 🗳️
Which two statements are correct about Junos OS "screen" options used for security purposes on SRX or EX devices? (Choose two.)
- A. Screen options replace the need for firewall filters entirely.
- B. Screen options can detect and prevent common Layer 3/4 attacks, such as SYN floods and IP spoofing.
- C. Screen options are applied to a zone and inspect traffic entering that zone.
- D. Screen options can only be applied to Layer 2 interfaces.
Correct Answer: B,C 🗳️
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