Free JNCIS-ENT practice test — 320+ JNCIS-ENT practice questions with detailed explanations across all 9 official JNCIS-ENT exam domains. Every set is scored and drawn from the live question bank — so you practise exactly what the exam tests, not outdated dumps.
Courseiva includes 320+ Juniper Networks Enterprise Routing and Switching, Specialist (JNCIS-ENT, JN0-352) (JNCIS-ENT) practice questions across the official exam domains.
Feature
Courseiva
This free JNCIS-ENT practice test mirrors the structure and difficulty of the real Juniper Networks Enterprise Routing and Switching, Specialist (JNCIS-ENT, JN0-352) (JNCIS-ENT) exam. Every question is written against the official 2026 exam blueprint published by Juniper Networks, ensuring you practise exactly what the exam tests — not last year's objectives.
The JNCIS-ENT blueprint is divided into 9 weighted domains. Questions on this page are distributed proportionally across each domain, so the mix you see here reflects the same weighting you'll face on exam day. High-weight domains like IS IS and BGP contribute the most questions, meaning focused practice on these areas gives you the highest return on study time.
JNCIS-ENT Exam Blueprint — 9 Domains
IS IS
BGP
Spanning Tree
OSPF
High Availability
Protocol Independent Routing
Tunnels
Layer 2 Switching And VLANs
Layer 2 Security
24 numbered sets, 9 domain question banks, and targeted sessions — every page is a unique set of questions.
Choose all correct answers
Each chapter page covers one topic in depth — theory, key concepts, and focused practice questions. Use these to close knowledge gaps before returning to full practice tests.
Getting the most from practice questions requires more than just clicking through answers. Here is the study method used by candidates who pass JNCIS-ENT on their first attempt:
Answer before revealing
Read each JNCIS-ENT question fully, eliminate obviously wrong choices, then commit to an answer before clicking to reveal. This active recall process is what builds lasting knowledge.
Read every explanation
Even when you answer correctly, read the full explanation. Knowing WHY the right answer is correct — and why the distractors are wrong — is what separates a 750 score from a 900 score.
Track weak domains
Note which JNCIS-ENT domains you get wrong most often. Then do a targeted 20-30 question session focused only on that domain until your accuracy improves.
Simulate exam pacing
The real JNCIS-ENT gives you roughly 1.4 minutes per question. Use the 60 or 120-question sessions to practise hitting that pace comfortably.
Most candidates who pass JNCIS-ENT on their first attempt report doing between 400 and 800 practice questions over 4–8 weeks of preparation. With 320+ questions in the Courseiva bank, you have more than enough material to build that repetition without seeing the same question twice.
Answer each question to reveal the full explanation and correct answer. This starter set is drawn from all 9 exam domains in blueprint proportion. Use the session selector to start a longer focused practice run.
A network engineer wants to verify IS-IS link-state database entries, specifically checking for TLVs that carry extended IP reachability information with wide metrics. Which Junos operational command should be used?
Select an answer to reveal the explanation
A Junos router is configured as a BGP route reflector. It learns a route from a client and reflects it to a non-client and another client. Which attribute does the route reflector modify or add to prevent routing loops?
Select an answer to reveal the explanation
While examining an RSTP topology, you notice that a designated port has suddenly stopped receiving BPDUs from its upstream neighbor, causing the port to transition into a discarding state to prevent potential loops. Which feature is actively providing this protection?
Select an answer to reveal the explanation
Which OSPF packet type is responsible for discovering neighbors and maintaining adjacencies on a Junos device?
Select an answer to reveal the explanation
Which operational command displays the configured member IDs, priorities, and roles in an EX Series Virtual Chassis?
Select an answer to reveal the explanation
An administrator implements filter-based forwarding and applies a firewall filter on the ingress interface. However, traffic matching the filter is dropped rather than routed to the alternate routing instance. Upon investigation, what is the most likely cause of this issue?
Select an answer to reveal the explanation
What is the primary function of a Junos tunnel interface when used in conjunction with routing protocols?
Select an answer to reveal the explanation
You are troubleshooting a connectivity issue between an EX4300 switch access port and an end-host. The port is configured as an access port for VLAN 100, but the host cannot communicate. You run 'show ethernet-switching interface ge-0/0/1' and notice the port status is down/down. Which underlying reason most likely explains this state?
Select an answer to reveal the explanation
You configure port security on a switch interface and set the violation action to 'restrict'. What happens when a port security violation occurs under this setting?
Select an answer to reveal the explanation
What is the purpose of the 'lsp-lifetime' command?
Select an answer to reveal the explanation
What is the effect of changing the reference bandwidth in IS-IS?
Select an answer to reveal the explanation
A network administrator needs to modify the Local Preference path attribute for all routes received from a specific external BGP peer using a routing policy on Junos. Under which configuration hierarchy should the routing policy be applied?
Select an answer to reveal the explanation
You want to ensure that a static route is only installed in the routing table when a specific tracked object or ping test succeeds. Which Junos feature should you pair with the static route?
Select an answer to reveal the explanation
When implementing Layer 2 firewall filters on an EX Series switch, which packet characteristic can be matched in a filter term?
Select an answer to reveal the explanation
When calculating OSPF path costs in a network containing high-speed links (such as 10Gbps and 40Gbps interfaces), what default reference bandwidth does Junos use, and what configuration adjustment is typically required to differentiate costs accurately?
Select an answer to reveal the explanation
An administrator configures a static route with a next-hop that points to an indirect (recursive) address. What condition must be met for this static route to become active in the inet.0 routing table?
Select an answer to reveal the explanation
While reviewing BGP updates, you notice an attribute type code of 3 with a value representing an IP address. Which well-known mandatory path attribute is this?
Select an answer to reveal the explanation
During troubleshooting of a flapping BGP session, you notice BGP Notification messages being sent. Which BGP message type is responsible for tearing down a session due to an error condition?
Select an answer to reveal the explanation
An operator executes the command 'show bridge mac-table' on an EX Series switch running Junos OS. Which information is displayed in the output of this command?
Select an answer to reveal the explanation
In an OSPF NSSA configuration on a Junos device, which router is specifically responsible for translating Type 7 LSAs into Type 5 LSAs when propagating routes out of the NSSA into the backbone?
Select an answer to reveal the explanation
Answer all 20 questions to see your domain score breakdown
A structured study plan dramatically increases your chances of passing JNCIS-ENT on the first attempt. The most effective approach combines reading the official Juniper Networks documentation or a study guide, watching video explanations for difficult concepts, and then reinforcing everything with daily practice questions.
We recommend the following weekly structure for JNCIS-ENT preparation:
Cover each JNCIS-ENT domain systematically. Read the exam objectives, watch explanatory content, and do 10–20 practice questions per domain to test understanding as you go.
Run full 50–60 question mixed sessions daily. Review every wrong answer in detail. Identify which domains are consistently scoring below 70% and revisit those study materials.
Do 100–120 question timed sessions to simulate real exam conditions. Aim for consistent scores above 80% before booking your exam date. A score above 80% in practice typically translates to a passing JNCIS-ENT score.
On exam day, the JNCIS-ENT tests your ability to apply knowledge to realistic scenarios — not just recall definitions. This is why reading explanations and understanding the reasoning behind every answer matters more than simply grinding question volume. Use the high-count sessions (100, 120) in the final weeks as your confidence benchmark.
Questions
65
On the real exam
Time limit
90 min
1.4 min per question
Scenario-based questions covering exam objectives with detailed answer explanations.
Yes. Courseiva provides free Juniper Networks Enterprise Routing and Switching, Specialist (JNCIS-ENT, JN0-352) (JNCIS-ENT) practice questions with explanations across the official exam domains. Start with a quick practice test, then continue with topic-based practice, mock exams, missed-question review, bookmarked questions, weak-topic recommendations, and readiness tracking. No account required. Create a free account to unlock per-domain analytics and progress tracking across every certification on the platform. Courseiva is free forever, supported by advertising.
Every question is written against the official JNCIS-ENT exam blueprint published by Juniper Networks. Our questions follow the same wording style, scenario complexity, and answer structure as the actual exam. They are original questions — not brain dumps — so you learn the underlying concepts and reasoning, not just memorised answers. Candidates who study with brain dumps often pass but have no transferable knowledge; Courseiva questions make you genuinely competent.
Most candidates who pass JNCIS-ENT on their first attempt do 30–60 questions per day. Use the Quick 10 session for daily warm-ups when you are short on time. On study days, run a 50 or 60-question session to build stamina. Reserve 100 and 120-question sessions for the final two weeks when you want to simulate real exam conditions and benchmark your readiness.
The JNCIS-ENT covers 9 domains: IS IS, BGP, Spanning Tree, OSPF, High Availability, Protocol Independent Routing, Tunnels, Layer 2 Switching And VLANs, Layer 2 Security. Each domain carries a different weight, so allocate your study time accordingly. The highest-weighted domains — IS IS and BGP — should receive the most attention.
Exam dumps are memorised question-and-answer lists taken from actual exam papers, often obtained illegally and shared without Juniper Networks's authorisation. Using them violates your NDA and Juniper Networks's certification agreement, and can result in certification revocation. Courseiva questions are original — AI-assisted, checked against the official exam objectives, and published under the editorial oversight of an engineer with 12+ years' experience. They test the same knowledge areas using new scenarios and wording. You learn the material, not just the answers.
Per-domain analytics, spaced repetition, daily challenges — and every other certification on the platform.
Sign Up FreeFree forever · Every certification included