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Juniper JN0-352 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) |
| Exam Number: | JN0-352 |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIP-ENT JNCIE-ENT JNCIA-Junos |
| Sample Questions: | ![]() |
| Exam Way: | Delivered by Pearson VUE (onsite or online proctored). |
| Pre Condition: | JNCIA-Junos certification recommended or required. |
| 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 | Objectives |
|---|---|
| Layer 2 Security | - BPDU, loop and root protection - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) - MACsec and storm control - Layer 2 firewall filters |
| BGP | - Attributes and path selection - BGP basic operations and message types - EBGP and IBGP peer interactions |
| IS-IS | - Levels, areas and metrics - Link-state database and PDUs - Adjacencies and troubleshooting |
| Tunnels | - GRE and IP-IP configuration and troubleshooting - IP tunneling concepts |
| Layer 2 Switching and VLANs | - Frame processing - Inter-VLAN routing - Native VLANs and voice VLANs - Bridging components - Ports and VLAN tagging |
| Spanning Tree | - Bridge Protocol Data Units (BPDUs) - STP and RSTP concepts, roles and states - Convergence and reconvergence |
| Protocol-Independent Routing | - Load balancing and filter-based forwarding - Static, aggregate, generated routes - Martian addresses and RIB groups |
| OSPF | - Router ID, adjacencies and neighbors - Areas and LSA types - Link-state database and packet types |
| High Availability | - Virtual chassis and graceful restart - VRRP, NSR, NSB and BFD - Link Aggregation Groups and RTG |
Questions and Answers About Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) is an official Juniper Networks exam, listed under exam code JN0-352. A passing result earns you the JNCIS-ENT certification at the Specialist level. It also ties into JNCIA-Junos, JNCIP-ENT, JNCIE-ENT, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 65 questions inside 90 minutes on the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
JNCIA-Junos certification recommended or required.
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Yes. ActualPDF provides a free download demo of the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, which works 7/24 and normally replies within two hours. Installation is unlimited across your computers.
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) syllabus spans 9 domains, led by BGP, Protocol-Independent Routing, and Tunnels. The complete topic list is published above; candidates who study the map first rarely get lost later.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
Which two statements describe OSPF DR and BDR behavior? (Choose two.)
A. The BDR by default generates Type-2 Network LSAs to describe the multi-access segment.
B. The DR by default generates Type-2 Network LSAs to describe the multi-access segment.
C. The DR elects the area border router for each area.
D. The BDR becomes the DR if the DR fails.
Question 2
Your company has a branch location that uses a Juniper Networks EX Series Switch. You are asked to troubleshoot a spanning-tree issue that keeps reoccurring within the branch environment. After investigation, you discover that end-devices running a virtualization application are generating BPDUs, which are disrupting the spanning-tree topology and causing periodic outages. Which solution will prevent this problem from reoccurring?
A. Configure BPDU protection on all edge interfaces.
B. Increase the max-age timer on all EX Series Switches.
C. Disable RSTP on all access interfaces.
D. Configure root protection on all access interfaces.
Question 3
In the exhibit, each IP subnet in the campus environment is associated with a unique VLAN ID.
Which action will ensure that Host C will communicate with Host A and Host B?
A. Configure all switch ports connecting to the host devices as trunk ports associated with all VLANs
B. Configure an IRB interface for each VLAN and associate it with its corresponding VLAN
C. Configure a port-based ACL that permits inter-VLAN routing for all configured VLANs
D. Configure all switch ports connecting to the host devices as access ports associated with a common VLAN
Question 4
Which two statements are correct about link aggregation? (Choose two.)
A. LAGs provide physical layer redundancy.
B. IP traffic is hashed using source and destination MAC addresses.
C. All RE-generated traffic traverses the lowest member link.
D. Member links must use the same MTU.
Question 5
Which three statements are correct about OSPF packet types? (Choose three.)
A. Link-state request packets are sent after receiving an LSA header not in the OSPF database.
B. Link-state update packets contain one or more LSAs.
C. Hello packets are sent every 30 seconds by default.
D. Database description packets are used during the adjacency formation process.
E. Link-state acknowledgment packets are sent every 30 seconds.
Solutions:
| Question 1 Answer: B,D | Question 2 Answer: A | Question 3 Answer: B | Question 4 Answer: A,D | Question 5 Answer: A,B,D |
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