- Exam Code: JN0-352
- Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
- Updated: Oct 13, 2026
- Q & A: 213 Questions and Answers
Certification blueprints change, and 2026 is no exception — vendors quietly retire old objectives and add new ones. Actual4Dumps keeps its JN0-352 practice questions under continuous review, and your purchase of the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) material includes 365 days of free updates.
| Section | Objectives |
|---|---|
| Spanning Tree | - Bridge Protocol Data Units (BPDUs) - STP and RSTP concepts, roles and states - Convergence and reconvergence |
| High Availability | - Virtual chassis and graceful restart - Link Aggregation Groups and RTG - VRRP, NSR, NSB and BFD |
| BGP | - Attributes and path selection - EBGP and IBGP peer interactions - BGP basic operations and message types |
| Tunnels | - GRE and IP-IP configuration and troubleshooting - IP tunneling concepts |
| OSPF | - Areas and LSA types - Link-state database and packet types - Router ID, adjacencies and neighbors |
| Layer 2 Security | - Layer 2 firewall filters - MACsec and storm control - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) - BPDU, loop and root protection |
| Protocol-Independent Routing | - Static, aggregate, generated routes - Load balancing and filter-based forwarding - Martian addresses and RIB groups |
| Layer 2 Switching and VLANs | - Bridging components - Native VLANs and voice VLANs - Inter-VLAN routing - Ports and VLAN tagging - Frame processing |
| IS-IS | - Adjacencies and troubleshooting - Link-state database and PDUs - Levels, areas and metrics |
Yes. A free PDF demo is available so you can review the question quality and format before you pay anything. And once you do purchase, your Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) material includes 365 days of free updates — if that update period expires, you can extend it later at a 50% discount from your member zone.
The JN0-352 exam includes 65 questions, and you have 90 minutes to complete them. That makes pacing a real part of the challenge. Before test day, work out roughly how much time you can afford per question, get used to flagging a hard item and coming back to it instead of burning five minutes on one answer, and run at least a couple of full timed sessions in the Actual4Dumps test engine so the clock feels familiar when it counts.
The official blueprint divides the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) into 9 domains. The main areas include IS-IS, BGP, High Availability. Each domain breaks down into its own subtopics, so scroll up to the complete exam outline above before you plan your study schedule.
JNCIA-Junos certification recommended or required. Certification vendors do adjust these requirements from time to time, so we recommend confirming the current criteria on the official exam page — official JN0-352 exam information before you register.
The JN0-352 exam is the official test you need to pass to earn the JNCIS-ENT certification at the Specialist level. Passing it validates your skills to employers, and for many IT professionals it is a direct step toward better roles and better pay. It also connects to related credentials such as JNCIA-Junos, JNCIP-ENT, JNCIE-ENT, so it is worth understanding where this exam sits on your certification path.
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You enable persistent MAC learning on your Juniper switch. In this scenario, which statement is correct?
Correct Answer: B 🗳️
Which two statements are correct about tunnels? (Choose two.)
Correct Answer: C,D 🗳️
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Which two statements describe the purpose of a BGP notification message? (Choose two.)
Correct Answer: A,C 🗳️
Explanation: Only visible for Actual4Dumps members. You can sign-up / login (it's free).
Click the Exhibit button. You configure the aggregate route 172.16.0.0/16 on router R1. The routing table currently contains active routes for 172.16.10.0/24 and 172.16.99.0/24. No other more-specific routes exist. Referring to the exhibit, which statement describes what R1 would do with traffic destined to 172.16.200.5?
Correct Answer: D 🗳️
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Click the Exhibit button. Which three statements about this BGP session are correct? (Choose three.)
Correct Answer: A,C,E 🗳️
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