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A Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) credential carries weight because Juniper sets the standards employers trust. Fast2test helps you earn it with 92 expert-written JN0-648 practice questions, reviewed and refreshed for 2026.
Juniper JN0-648 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Professional (JNCIP-ENT) |
| Exam Number: | JN0-648 |
| Certificate Validity Period: | 3 years |
| Passing Score: | Variable, approx 65-70% |
| Exam Price: | $400 USD |
| Related Certifications: | JNCIE-ENT JNCIS-ENT JNCIA-Junos |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Exam Format: | Multiple choice, Scenario-based |
| Exam Duration: | 90-120 |
| Recommended Training: | Juniper TechLibrary Advanced Junos Enterprise Switching Advanced Junos Enterprise Routing |
| Exam Registration: | Juniper Certification Portal Pearson VUE Registration |
| Sample Questions: | Juniper JN0-648 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 |
|---|---|---|
| Topic 1: Monitoring, Troubleshooting & High Availability | 10% | - Graceful restart and nonstop routing - VRRP and link aggregation - Protocol verification and troubleshooting tools |
| Topic 2: Interior Gateway Protocols (IGPs) | 20% | - IS-IS protocol operation and implementation - OSPFv2 / OSPFv3 concepts, configuration and troubleshooting - Route redistribution and routing policy |
| Topic 3: Class of Service (CoS) | 10% | - Queuing, scheduling, policing and shaping - Traffic classification and marking - CoS implementation for L2/L3 networks |
| Topic 4: IP Multicast | 15% | - PIM-SM / PIM-SSM and RP mechanisms - IGMPv2 / IGMPv3 operation - Multicast addressing and traffic flow |
| Topic 5: Layer 2 Authentication & Access Control | 10% | - 802.1X authentication - MAC RADIUS and dynamic VLAN assignment - Port security and access control lists |
| Topic 6: Border Gateway Protocol (BGP) | 20% | - BGP attributes and path selection - IBGP / EBGP configuration and scaling - BGP routing policies and communities |
| Topic 7: Advanced Ethernet Switching & Spanning Tree | 15% | - VLANs, trunking, MVRP and Q-in-Q - MSTP, VSTP and loop prevention - L2 tunneling and L2PT |
Juniper JN0-648 FAQs: What Every Candidate Asks
The JN0-648 exam, officially titled Enterprise Routing and Switching, Professional (JNCIP-ENT), is the qualifying test for the Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT) certification from Juniper Networks, a credential at the Professional level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as JNCIA-Junos, JNCIS-ENT, JNCIE-ENT.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam gives you 90-120 to work through 65 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
You need Variable, approx 65-70% to pass, and the official registration fee is $400 USD. Fall short and you pay that fee in full again for every retake, which makes solid preparation the cheaper option by far. Work through the Fast2test practice questions until you score comfortably above the passing mark, then book your seat.
Active JNCIS-ENT certification Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: Juniper Networks JN0-648 exam overview.
You can book your JN0-648 exam through any of these official registration channels:
The exam is delivered as Delivered via Pearson VUE test centers or online proctored, so you can pick the option that fits your schedule when you book.
Juniper Networks recommends the following training for Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) candidates:
Pair that training with the 92 practice questions from Fast2test and you can check your readiness topic by topic before exam day.
Yes. Fast2test offers a free PDF demo for the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam so you can judge the quality of our questions and answers before paying anything. Every purchase also comes with 365 days of free updates, and once that period expires you can extend your update service at a 50% discount.
Your purchase is protected by a 100% money-back guarantee. If you sit the corresponding JN0-648 exam within 60 days of buying and do not pass, send us a scan of your exam enrollment slip together with your official Score Report (PDF) within 2 days of the exam date — the candidate name must match the payer's name — and we will process your full refund within 7 days. Please note that exams taken within 3 days of purchase, materials downloaded without ever sitting the exam, free products, and expired orders are not covered. If you would rather not have a refund, you can exchange your order for two exam products of equal value, free of charge, and keep the update service on your original purchase.
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The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) syllabus is organized into 7 domains. The main areas include IP Multicast (15%), Border Gateway Protocol (BGP) (20%), and Interior Gateway Protocols (IGPs) (20%). Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions:
Question 1
Exhibit.
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)
A. EAPoL traffic will be sent out of the ge-0/0/1 interface.
B. The supplicant is authenticated using 802. 1X
C. The supplicant is not authenticated using 802. 1X
D. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
Question 2
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down.
Which route type is used in this scenario?
A. Type 1
B. Type 2
C. Type 3
D. Type 5
Question 3
You are deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 235.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast feed.
Which two solutions would resolve this problem? (Choose two.)
A. Reconfigure the multicast source to use an address in the range of 232.0.0.0 through 232.255.255.255.
B. Reconfigure the multicast source to use an address in the range of 224.0.0.0 through 224.255.255.255.
C. Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.
D. Add the multicast address to the [edit routing-options multicast ssm-map] stanza.
Question 4
Which two statements about BGP communities are true? (Choose two.)
A. A prefix can belong to more than community.
B. A community is not a transitive attribute.
C. A prefix can only belong to one community.
D. A BGP device can set, append, or modify the community of a route.
Question 5
Click the Exhibit button.
There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link. However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3.
Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem? (Choose two.)
A. Add the lo0 interface under OSPFv3 for both routers.
B. Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
C. Add the IPv6 family protocol under ge-0/0/2 for both routers.
D. Add interface ge-0/0/2 under OSPFv3 for both routers.
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: A | Question 3 Answer: A,C | Question 4 Answer: A,D | Question 5 Answer: B,C |
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