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Juniper JN0-648 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Ethernet Switching and Spanning Tree | - Filter-based VLANs - Dynamic VLAN registration (MVRP) - Private VLANs |
| Topic 2: Border Gateway Protocol (BGP) | - Next hop resolution - BGP attributes and communities - BGP route selection process |
| Topic 3: Interior Gateway Protocols (IGPs) | - OSPFv2 and OSPFv3 - Routing Policy - IS-IS |
| Topic 4: Layer 2 Authentication and Access Control | - MAC RADIUS - 802.1X concepts |
| Topic 5: Class of Service (CoS) | - CoS forwarding classes - Classification, policers, and schedulers |
| Topic 6: EVPN | - EVPN route types - VXLAN |
| Topic 7: IP Multicast | - IGMP and PIM sparse-mode - Multicast addressing and traffic flow |
| Topic 8: IP Telephony Features | - LLDP and LLDP-MED - PoE |
What Candidates Ask About Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT)
Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) is an official Juniper Networks exam, registered under exam code JN0-648. Passing it grants the JNCIP-ENT certification, a credential at the Professional level. It also relates to JNCIA-Junos, JNCIS-ENT, JNCIE-ENT, giving it value beyond a single title. Qualifications remain the quickest standardized proof of professional skill, and this one carries the vendor's own authority behind it.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam presents 65 questions across 90 minutes. Attention fades over long stretches, which is exactly why exam pacing deserves deliberate practice: short, focused timed sessions in the Prep4SureReview test engine teach you to spend your sharpest minutes wisely, flag generously, and never let one question consume the time meant for five.
Official registration for Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) costs Varies by region (check official Juniper/Pearson VUE pricing), with Juniper does not publicly specify an exact pass score needed to pass. Retakes charge the same Varies by region (check official Juniper/Pearson VUE pricing) in full, so the financially sound move is confirming readiness before you book. Use the Prep4SureReview practice tests across several spaced sessions; a passing score earned once might be luck, but a passing score earned repeatedly is readiness.
Recommended prerequisite: JNCIS-ENT certification
Policies change, so confirm the current requirements before you register through the official exam page.
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Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) is structured into 8 official domains. The leading ones are Interior Gateway Protocols (IGPs), Class of Service (CoS), and IP Telephony Features. The full outline is published above on this page; knowing exactly what the exam tests is the foundation every efficient study plan is built on.
Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions:
You receive the same 100.200.0/16 route from all four ISPs to which you are connected.
Referring to the exhibit, which ISP's route will be selected as active?
- A. ISP-B
- B. ISP-D
- C. ISP-A
- D. ISP-C
Correct Answer: C 🗳️
Click the Exhibit button.
The policy shown in the exhibit is applied as an export policy to your BGP neighborship.
Which action will be taken for route 12.233.45.5?
- A. It will be rejected by term 2.
- B. It will be accepted by the default policy
- C. It will be accepted by term 1.
- D. It will be accomplished by term 1.
- E. It will be evaluated by the next policy.
Correct Answer: C 🗳️
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Exhibit.
You are authenticating user devices connected to your ex Series switch. You have 802.1X and MAC RADIUS configured for all ports A user is complaining about the time it takes to connect their non-802.1X device on ge-0/0/15 using MAC RADIUS authentication Referring to the exhibit, what should be done to accelerate the authentication process?
- A. Change the supplicant mode to multiple on ge-0/0/15
- B. Configure the restrict feature for MAC RADIUS on ge-0/0/15.
- C. Change the 802.1X retry attempts value to 5 on ge-0/0/15
- D. Configure the no-reauthentication feature for 802.1X on ge-0/0/15
Correct Answer: A 🗳️
Click the Exhibit button.
Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?
- A. R5 learns those networks from Type 3 LSAs advertised by R3.
- B. R5 does not learn those networks and uses a default route advertised by R3 instead.
- C. R5 learns those networks from Type 3 LSAs advertised by R2.
- D. R5 does not learn those networks but uses a default route advertised by R2 instead.
Correct Answer: A 🗳️
Which two statements are true regarding bidirectional PIM? (Choose two )
- A. Devices only store group specific entries.
- B. It eliminates the need for an RP.
- C. It uses multicast tunneling to forward traffic
- D. Forwarding paths can be suboptimal
Correct Answer: A,D 🗳️
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