Instant Download Juniper : JN0-351 Questions & Answers as PDF & Test Engine
Updated: Sep 10, 2026
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- Total Questions: 192
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Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) can feel demanding because it measures both knowledge recall and practical decision-making. With 192 JN0-351 practice questions from Actual4dump, you can turn a broad syllabus into repeated, manageable review sessions.
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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 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65 |
| Exam Price: | $200 USD |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Exam Duration: | 90 minutes |
| Passing Score: | Not publicly disclosed (approx. 65%-70%) |
| Related Certifications: | JNCIE-ENT JNCIP-ENT JNCIA-Junos |
| Recommended Training: | Juniper Learning Portal |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|
| IS-IS | - IS-IS concepts, levels, routing information - Configuration, monitoring and troubleshooting |
| Spanning Tree Protocol | - Root bridge, port roles and states - STP, RSTP, MSTP concepts and operation - Configuration, monitoring and troubleshooting |
| High Availability | - Virtual Chassis, redundant routing engines - Graceful restart, nonstop active routing - Configuration, monitoring and troubleshooting |
| Layer 2 Switching and VLANs | - Inter-VLAN routing - Layer 2 switching concepts and operation - VLAN concepts, tagging, ports, native VLAN - Configuration, monitoring and troubleshooting |
| OSPF | - OSPFv2/v3 concepts, areas, LSA types - Neighbor relationships, route calculation - Configuration, monitoring and troubleshooting |
| Protocol Independent Routing | - Routing policy and firewall filters - Static routes, aggregate routes - Configuration, monitoring and troubleshooting - Routing tables, routing preferences |
| Layer 2 Security | - Port security, storm control, MAC limiting - Layer 2 firewall filters - Configuration, monitoring and troubleshooting - Dynamic ARP inspection, DHCP snooping |
| BGP | - IBGP, EBGP, route policies - Configuration, monitoring and troubleshooting - BGP concepts, attributes, path selection |
| Tunnels | - IP-IP, GRE, IPsec tunnels - Configuration, monitoring and troubleshooting |
FAQs for Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Candidates
The JN0-351 exam leads to the Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification from Juniper Networks. It is positioned at the Specialist level. The exam validates the knowledge and skills expected of candidates preparing for Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT).
Related certifications include:
- JNCIA-Junos
- JNCIP-ENT
- JNCIE-ENT
The JN0-351 exam includes 65 questions and allows 90 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for JN0-351 is Not publicly disclosed (approx. 65%-70%), and the official exam fee is $200 USD. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
Valid JNCIA-Junos certification
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or onsite testing center (Pearson VUE).
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 192 practice questions for JN0-351.
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If you purchase the corresponding JN0-351 preparation material and do not pass that exam within 60 days of purchase, you may apply for a full refund under the 100% Money Back Guarantee. The request requires a scanned exam enrollment slip and the official Score Report PDF, submitted within two days after the exam. Eligible requests are processed within seven days.
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The current JN0-351 outline is organized into 9 top-level domains. The first listed areas include:
- IS-IS
- High Availability
- OSPF
Review the Exam Topics section above for the complete outline and any nested subtopics.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
The ISP1.inet.0 route table has currently no routes in it.
What will happen when you commit the configuration shown on the exhibit?
A. The ISP1.inet.0 route table will be imported into the inet.0 route table.
B. The ISP1.inet.0 route table will be completely overwritten by the inet.0 route table.
C. The inet.0 route table will be completely overwritten by the ISP1.inet.0 route table.
D. The inet.0 route table will be imported into the ISP1.inet.0 route table.
Question 2
You are configuring an IS-IS IGP network and do not see the IS-IS adjacencies established. In this scenario, what are two reasons for this problem? (Choose two.)
A. MTU is not at least 1492 bytes.
B. IP subnets are not a /30 address.
C. The lo0 interface is not included as an IS-IS interface.
D. The Level 2 routers have mismatched areas.
Question 3
What does the * indicate in the output shown in the exhibit?
A. The switch ports have a router attached.
B. The interface is down.
C. All interfaces have elected a root bridge.
D. The interface is active.
Question 4
Which two statements are correct about Rapid Spanning Tree Protocol (RSTP)? (Choose two.)
A. RSTP cannot interoperate with legacy 802.1D STP switches.
B. RSTP provides faster convergence than traditional 802.1D STP.
C. RSTP introduces new port roles such as alternate and backup ports.
D. RSTP uses the same port states as 802.1D STP without modification.
Question 5
You are a network operator troubleshooting BGP connectivity.
Which two statements are correct about the output shown in the exhibit? (Choose two.)
A. The R1 is configured for AS 65400.
B. Peer 10.32.1.2 is configured for AS 63645.
C. The BGP session is not established.
D. The routers are exchanging IPv4 routes.
Solutions:
| Question 1 Answer: D | Question 2 Answer: A,C | Question 3 Answer: D | Question 4 Answer: B,C | Question 5 Answer: A,D |
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