The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) certification has a strong reputation for a reason — the JN0-648 exam tests applied skills, not memorized definitions. Candidates around the world use Actual4Exams practice questions to close knowledge gaps before test day.
Juniper JN0-648 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Professional (JNCIP-ENT) |
| Exam Number: | JN0-648 |
| Exam Price: | $400 USD |
| Available Languages: | English |
| Passing Score: | Variable, approx 65-70% |
| Exam Format: | Multiple choice, Scenario-based |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90-120 |
| Related Certifications: | JNCIE-ENT JNCIA-Junos JNCIS-ENT |
| Recommended Training: | Advanced Junos Enterprise Switching Juniper TechLibrary Advanced Junos Enterprise Routing |
| Exam Registration: | Pearson VUE Registration Juniper Certification Portal |
| Sample Questions: | ![]() |
| Exam Way: | Delivered via Pearson VUE test centers or online proctored |
| Pre Condition: | Active JNCIS-ENT certification |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncip-ent.html |
Juniper JN0-648 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Ethernet Switching & Spanning Tree | 15% | - L2 tunneling and L2PT - MSTP, VSTP and loop prevention - VLANs, trunking, MVRP and Q-in-Q |
| IP Multicast | 15% | - Multicast addressing and traffic flow - IGMPv2 / IGMPv3 operation - PIM-SM / PIM-SSM and RP mechanisms |
| Interior Gateway Protocols (IGPs) | 20% | - OSPFv2 / OSPFv3 concepts, configuration and troubleshooting - IS-IS protocol operation and implementation - Route redistribution and routing policy |
| Border Gateway Protocol (BGP) | 20% | - IBGP / EBGP configuration and scaling - BGP attributes and path selection - BGP routing policies and communities |
| Class of Service (CoS) | 10% | - Queuing, scheduling, policing and shaping - Traffic classification and marking - CoS implementation for L2/L3 networks |
| Layer 2 Authentication & Access Control | 10% | - MAC RADIUS and dynamic VLAN assignment - 802.1X authentication - Port security and access control lists |
| Monitoring, Troubleshooting & High Availability | 10% | - Protocol verification and troubleshooting tools - Graceful restart and nonstop routing - VRRP and link aggregation |
Common Questions About the Juniper JN0-648 Exam
The JN0-648 exam, officially known as Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT), is the Juniper test that leads to the Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT) certification at the Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as JNCIA-Junos, JNCIS-ENT, JNCIE-ENT.
The JN0-648 exam contains 65 questions, and you have 90-120 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 JN0-648 exam is Variable, approx 65-70%, and the official registration fee is $400 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.
Active JNCIS-ENT certification
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/jncip-ent.html.
You can book the JN0-648 exam through the official registration channels below:
Exam delivery: Delivered via Pearson VUE test centers or online proctored. 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, Professional (JNCIP-ENT) candidates:
Pair any course with the 92 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, Professional (JNCIP-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 JN0-648 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, Professional (JNCIP-ENT) outline is organized into 7 domains. The first three are:
- Interior Gateway Protocols (IGPs) — 20% of the exam
- Monitoring, Troubleshooting & High Availability — 10% of the exam
- IP Multicast — 15% 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, Professional (JNCIP-ENT) Sample Questions:
Question 1
Which statement is correct about MSTP?
A. MSTP enables dynamic discovery of Layer 2 neighbors.
B. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites
C. MSTP dynamically manages VLAN registration in a LAN
D. MSTP enables mapping multiple independent spanning tree instances onto one physical topology
Question 2
Click the Exhibit button.
You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?
A. set policy-options policy-statement NHS term BGP_ROUTES from external
B. set protocols bgp group BGP-MESH import NHS
C. delete protocols bgp group BGP-MESH export NHS
D. delete protocols bgp group BGP-MESH peer-as
Question 3
Click the Exhibit button.
During an outage, you review the status of the Q-in-Q implementation on VLAN 300.
Referring to the exhibit, what would be the cause of the outage?
A. The VLAN range overlaps.
B. The C-VLANs are disabled.
C. The S-VLAN is disabled.
D. There are no active ports.
Question 4
What information is contained in an OSPF LSA header? (Choose two.)
A. protocol
B. length
C. subnet mask
D. options
Question 5
Exhibit.

You have applied the CoS configuration shown in the exhibit to an EX4300 switch.
Which two statements are true? (Choose two. )
A. Packets in low priority queues transmit only when start-high priority queues are empty
B. Packets in low priority queues are serviced when strict-high priority queues have no available credits
C. All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.
D. All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits
Solutions:
| Question 1 Answer: D | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: B,D | Question 5 Answer: A,D |
No help, Full refund!
Actual4Exams confidently stands behind all its offerings by giving Unconditional "No help, Full refund" Guarantee. Since the time our operations started we have never seen people report failure in the Juniper JN0-648 exam after using our products. With this feedback we can assure you of the benefits that you will get from our products and the high probability of clearing the JN0-648 exam.
We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Juniper JN0-648 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.
This means that if due to any reason you are not able to pass the JN0-648 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.




