Instant Download Juniper : JN0-648 Questions & Answers as PDF & Test Engine
Updated: Nov 05, 2026
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The Juniper JN0-648 exam is an important IT certification test — and passing it is not easy. ActualVCE shortens the climb with 92 practice questions for the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam, written by experienced IT professionals so you can sail through your preparation with ease.
Juniper JN0-648 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Layer 2 Authentication and Access Control | - MAC RADIUS - 802.1X concepts |
| Topic 2: Class of Service (CoS) | - Classification, policers, and schedulers - CoS forwarding classes |
| Topic 3: IP Multicast | - IGMP and PIM sparse-mode - Multicast addressing and traffic flow |
| Topic 4: Border Gateway Protocol (BGP) | - Next hop resolution - BGP attributes and communities - BGP route selection process |
| Topic 5: EVPN | - EVPN route types - VXLAN |
| Topic 6: Ethernet Switching and Spanning Tree | - Private VLANs - Dynamic VLAN registration (MVRP) - Filter-based VLANs |
| Topic 7: IP Telephony Features | - PoE - LLDP and LLDP-MED |
| Topic 8: Interior Gateway Protocols (IGPs) | - Routing Policy - IS-IS - OSPFv2 and OSPFv3 |
The Questions JN0-648 Candidates Ask ActualVCE Most
The JN0-648 exam is Juniper's official certification test — passing it earns the JNCIP-ENT credential at the Professional level. It demands genuine, working knowledge rather than theory alone, which is why candidates who prepare casually tend to stumble. It also feeds into related credentials such as JNCIA-Junos, JNCIS-ENT, JNCIE-ENT, extending its value beyond one certificate.
Protection and delivery, both in writing. Delivery: the JN0-648 product reaches your mailbox within one minute of payment; if nothing arrives within 2 hours, check spam and contact support for an immediate resend. Refund: sit the corresponding JN0-648 exam within 60 days of purchase, and if you fail, apply with a scanned enrollment slip and the official Score Report PDF within 2 days after the exam — refunds complete within 7 days. The policy covers the corresponding exam only; attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders are excluded, and the candidate name must match the payer name. Prefer to keep going? Exchange your product for two free exam products of equal value instead — the update service on your original purchase stays active.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam costs Varies by region (check official Juniper/Pearson VUE pricing) per attempt, with Juniper does not publicly specify an exact pass score as the passing mark. Fail, and Varies by region (check official Juniper/Pearson VUE pricing) is payable again — the price of walking in half-prepared. A practical safeguard: practice with ActualVCE until your timed mock results clear Juniper does not publicly specify an exact pass score comfortably, then book the JN0-648 exam.
Recommended prerequisite: JNCIS-ENT certification Eligibility requirements come from Juniper and can be revised, so confirm the current rules on the official exam page: https://www.juniper.net/gb/en/training/certification/tracks/enterprise-routing-switching/jncip-ent.html before committing to a Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) registration.
The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam is organized into 8 knowledge areas, with Border Gateway Protocol (BGP), IP Multicast, Class of Service (CoS) among the most significant. Allocate study time to match those weights, and see the outline section above for the complete list.
65 questions in 90 minutes — that is the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) exam in numbers. The per-question budget is tight, and hesitation is what eats it. Train the pace deliberately: run full timed simulations in the ActualVCE engine, practice committing to an answer and moving on, and the real JN0-648 exam will feel familiar instead of frantic.
You can — the ActualVCE free demo covers the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) material, so download some sample questions and answers first and judge quality yourself. Once you buy, 365 days of free updates are included; after that period, extend the update service at a 50% discount from your member zone.
Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions:
Click the Exhibit button.
You recently implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.
What must be done to allow these community devices to communicate?
- A. You must configure an isolation VLAN ID under the vlan-pri vlan on the AS-2 switch.
- B. You must configure the ge-0/0/1 interface on both switches the inter-switch links.
- C. You must configure an isolation VLAN ID under the vlan-pri VLAN on both switches.
- D. You must configure the ge-0/0/10 interface on AS-1 as the inter-switch link.
- E. You must configure to allow the ge-0/0/1 interface on AS-1 as the inter-switch.
Correct Answer: B 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
Exhibit.
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?
- A. There is an invalid IPv6 router ID
- B. There is an area mismatch
- C. There is an MTU mismatch
- D. There is an invalid IPv4 router ID
Correct Answer: B 🗳️
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 accepted by term 1.
- B. It will be accomplished by term 1.
- C. It will be evaluated by the next policy.
- D. It will be accepted by the default policy
- E. It will be rejected by term 2.
Correct Answer: A 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
Exhibit.
Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?
- A. 400 seconds
- B. 200 seconds
- C. 120 seconds
- D. 90 seconds
Correct Answer: D 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
What information is contained in an OSPF LSA header? (Choose two.)
- A. options
- B. protocol
- C. length
- D. subnet mask
Correct Answer: A,C 🗳️
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