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Juniper JN0-352 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam |
| Exam Number: | JN0-352 |
| Exam Price: | $300 USD |
| Related Certifications: | JNCIA-Junos JNCIP-ENT JNCIE-ENT |
| Passing Score: | 700/1000 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple choice, Scenario-based, Configuration-related |
| Recommended Training: | Junos Intermediate Routing (JIR) Junos Enterprise Switching (JEX) |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Computer-based, online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | JNCIA-Junos certification recommended or equivalent knowledge |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html |
Juniper JN0-352 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Layer 2 Security | 10-15% | - Layer 2 firewall filters and security features - Port security, MAC limiting and storm control - DHCP snooping, Dynamic ARP Inspection and IP Source Guard |
| High Availability and Resiliency | 5-10% | - Network resiliency design and troubleshooting - Graceful restart and non-stop routing - Redundancy protocols and failover mechanisms |
| Protocol Independent Routing | 10-15% | - Basic routing policy and filter operation - Routing instances and route selection criteria - Routing tables, static routes and route preference |
| BGP | 15-20% | - Routing policies, filtering and common troubleshooting - Neighbor relationships and session establishment - Route advertisement, attributes and path selection |
| Tunnels and Overlays | 5-10% | - Tunnel types, encapsulation and operation - GRE, IP-IP and dynamic tunnel configuration - Overlay network design and connectivity |
| IP Multicast | 5-10% | - IGMP operation and configuration - Multicast routing monitoring and troubleshooting - PIM Dense Mode, Sparse Mode and RP mechanisms |
| OSPF | 15-20% | - Route summarization and redistribution - Neighbor formation, area design and LSA types - Configuration, verification and troubleshooting |
| IS-IS | 10-15% | - Scalable enterprise deployment and troubleshooting - Adjacency establishment, levels and metrics - Configuration and route exchange |
| Layer 2 Switching and VLANs | 15-20% | - Spanning Tree Protocol (STP, RSTP, MSTP) operation and configuration - Link Aggregation Groups (LAG) and Virtual Chassis - VLAN concepts, configuration, trunking and tagging |
Common Questions About the Juniper JN0-352 Exam
The JN0-352 exam, officially known as Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT), is the Juniper test that leads to the Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification at the Specialist level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as JNCIA-Junos, JNCIP-ENT, JNCIE-ENT.
The JN0-352 exam contains 65 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the JN0-352 exam is 700/1000, and the official registration fee is $300 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
JNCIA-Junos certification recommended or equivalent knowledge
Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html.
You can book the JN0-352 exam through the official registration channels below:
Exam delivery: Computer-based, online proctored or onsite at Pearson VUE test centers. Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
Juniper recommends the following training options for Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) candidates:
Pair any course with the 213 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding JN0-352 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) outline is organized into 9 domains. The first three are:
- Protocol Independent Routing — 10-15% of the exam
- IP Multicast — 5-10% of the exam
- Tunnels and Overlays — 5-10% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
What is a purpose of using a spanning tree protocol?
A. to look up MAC addresses
B. to tunnel Ethernet frames
C. to route IP packets
D. to eliminate broadcast storms
Question 2
Referring to the exhibit, the local router should have an IS-IS adjacency with a neighboring router, but the adjacency never establishes correctly.
What should you do to solve the problem?
A. Disable level 1 for the interfaces.
B. Disable level 2 for the interfaces.
C. Disable wide metrics.
D. Change the local IS-IS area ID to 49.0002.
Question 3
You want to verify prefix information being sent from 10.36.1.4.
Which two statements are correct about the output shown in the exhibit? (Choose two.)
A. The routes displayed are being learned from an I BGP peer.
B. The output shows routes that are active and rejected by an import policy.
C. The routes displayed have traversed one or more autonomous systems.
D. The output shows routes that were received prior to the application of any BGP import policies.
Question 4
Which two statements about the firewall filter terms shown in the exhibit are true? (Choose two.)
A. Traffic that matches the fromstatement in term oneis accepted.
B. All traffic not matching the fromstatement in term oneis accepted by term two.
C. Traffic matching the fromstatement in term twois logged.
D. Traffic that matches the fromstatement in term oneis discarded.
Question 5
A switch uses the factory-default storm control configuration. A sudden unknown-unicast burst causes packet loss for only 4-5 seconds before stabilizing. Which statement describes why normal operation resumes automatically?
A. Storm control drops only excess packets until traffic falls below the threshold.
B. Storm control applies only to multicast traffic by default.
C. Storm control triggers GRES recovery.
D. Storm control shuts down the interface and re-enables it after 5 seconds.
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: C,D | Question 4 Answer: A,B | Question 5 Answer: A |
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