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Last Updated: Nov 06, 2026
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Juniper JN0-648 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | JNCIP-ENT Enterprise Routing and Switching Professional Exam |
| Exam Number: | JN0-648 |
| Exam Price: | USD 400 (approx., varies by region) |
| Available Languages: | English |
| Passing Score: | Variable (not publicly disclosed) |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIS-ENT JNCIA-Junos JNCIP-ENT |
| Exam Format: | Scenario-based questions, Multiple choice, Drag and drop |
| Real Exam Qty: | Approx. 65 (may vary) |
| Exam Duration: | 90 minutes |
| Recommended Training: | Juniper Learning Portal (JNCIP-ENT Training) |
| Exam Registration: | Pearson VUE Registration Juniper Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored (Pearson VUE testing center or online delivery) |
| Pre Condition: | Recommended: JNCIS-ENT certification or equivalent networking experience with Junos OS |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/certification-tracks/enterprise-routing-switching/ |
Juniper JN0-648 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Troubleshooting and Operations | - Junos Troubleshooting Tools - Network Diagnostics |
| Topic 2: Layer 2 Switching and Ethernet Technologies | - Switching Troubleshooting - VLANs and Trunking - Spanning Tree Protocol (RSTP/MSTP) |
| Topic 3: Multicast Routing | - IGMP and PIM - Multicast Deployment and Troubleshooting |
| Topic 4: EVPN and VXLAN | - EVPN Control Plane - VXLAN Data Plane |
| Topic 5: MPLS and VPN Technologies | - L3VPN Concepts - Traffic Engineering Basics - MPLS Fundamentals |
| Topic 6: Routing Policy and Firewall Filters | - Route Filtering and Manipulation - Policy-Based Routing |
| Topic 7: Layer 3 Routing Protocols | - IS-IS Fundamentals - OSPF (v2/v3) - BGP (policy, attributes, route selection) |
JN0-648 Exam FAQ: Quality, Price, and Policy
Juniper recommends these training resources for the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam:
Follow the training with steady self-testing — the 92 practice questions from ActualTestsQuiz help you apply theory and fill any gaps the training leaves.
The official Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) outline defines 7 domains. The leading three are MPLS and VPN Technologies, Network Troubleshooting and Operations, and Layer 3 Routing Protocols. The full list is in the topics section above, and ActualTestsQuiz's 92 practice questions cover each one.
Online proctored (Pearson VUE testing center or online delivery) Register for the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam through these official channels:
After booking, ActualTestsQuiz delivers your practice questions within 1 minute — preparation starts the same day.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam contains Approx. 65 (may vary) to complete within 90 minutes. Timed simulation in the ActualTestsQuiz Desktop Test Engine teaches that rhythm before exam day does.
ActualTestsQuiz issues a full refund if you take the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The JN0-648 exam is a Juniper certification exam validating the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) syllabus shown above. It belongs to these credential paths: JNCIS-ENT, JNCIA-Junos, JNCIP-ENT. Candidates in 2026 prepare for it with ActualTestsQuiz's 92 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Recommended: JNCIS-ENT certification or equivalent networking experience with Junos OS Since requirements change over time, confirm the latest on the official Juniper exam page before scheduling.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam requires Variable (not publicly disclosed) to pass, and registration costs USD 400 (approx., varies by region). A failed attempt means paying the same fee again — a readiness check with the ActualTestsQuiz engines before booking is the cheaper option.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 92 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions:
You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?
- A. By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.
- B. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
- C. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
- D. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
Correct Answer: B 🗳️
Exhibit.
You are configuring, the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit Which three configuration parameters must be enabled on the ports connecting the two switches? (Choose three. )
- A. interface-mode trunk
- B. interface-mode access
- C. inter-switch-link
- D. family inet
- E. family Ethernet-switching
Correct Answer: A,C,E 🗳️
You are designing a multicast topology to support IPv4 IPTV broadcasts in your organization. The design should support multiple multicast senders with overlapping group addresses while preventing interference between them. Client devices currently do not support IGMPv3.
Which approach would fulfill these requirements?
- A. Implement bidirectional PIM
- B. Assign group addresses in the 224/4 range and implement PIM-DM
- C. Implement PIM-SM and SSM with SSM maps to support IGMPv2 clients
- D. Implement MLD
Correct Answer: B 🗳️
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 interface ge-0/0/2 under OSPFv3 for both routers.
- D. Add the IPv6 family protocol under ge-0/0/2 for both routers.
Correct Answer: B,D 🗳️
What information is contained in an OSPF LSA header? (Choose two.)
- A. options
- B. subnet mask
- C. length
- D. protocol
Correct Answer: A,C 🗳️
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