Juniper JN0-648 real exam prep : Enterprise Routing and Switching, Professional (JNCIP-ENT)

  • Exam Code: JN0-648
  • Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)
  • Updated: Sep 20, 2026
  • Q&As: 92 Questions and Answers

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About Juniper JN0-648 Real Exam

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Juniper JN0-648 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Enterprise Routing and Switching, Professional (JNCIP-ENT)
Exam Number:JN0-648
Real Exam Qty:65
Certificate Validity Period:3 years
Exam Duration:90-120
Available Languages:English
Related Certifications:JNCIA-Junos
JNCIS-ENT
JNCIE-ENT
Exam Format:Multiple choice, Scenario-based
Exam Price:$400 USD
Passing Score:Variable, approx 65-70%
Recommended Training:Advanced Junos Enterprise Routing
Juniper TechLibrary
Advanced Junos Enterprise Switching
Exam Registration:Pearson VUE Registration
Juniper Certification Portal
Sample Questions:Free Download real JN0-648 exam prep
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:

SectionWeightObjectives
Topic 1: Border Gateway Protocol (BGP)20%- BGP routing policies and communities
- IBGP / EBGP configuration and scaling
- BGP attributes and path selection
Topic 2: Layer 2 Authentication & Access Control10%- MAC RADIUS and dynamic VLAN assignment
- 802.1X authentication
- Port security and access control lists
Topic 3: IP Multicast15%- Multicast addressing and traffic flow
- IGMPv2 / IGMPv3 operation
- PIM-SM / PIM-SSM and RP mechanisms
Topic 4: Advanced Ethernet Switching & Spanning Tree15%- L2 tunneling and L2PT
- VLANs, trunking, MVRP and Q-in-Q
- MSTP, VSTP and loop prevention
Topic 5: Interior Gateway Protocols (IGPs)20%- OSPFv2 / OSPFv3 concepts, configuration and troubleshooting
- IS-IS protocol operation and implementation
- Route redistribution and routing policy
Topic 6: Monitoring, Troubleshooting & High Availability10%- Protocol verification and troubleshooting tools
- VRRP and link aggregation
- Graceful restart and nonstop routing
Topic 7: Class of Service (CoS)10%- Queuing, scheduling, policing and shaping
- Traffic classification and marking
- CoS implementation for L2/L3 networks

JN0-648 Exam Questions Answered: Details and Services

Written terms, promptly honored. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims receive a full refund within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. Prefer to keep studying? We will exchange your product for two others of equal value at no cost.

Juniper recommends these official training options:

Match the course to your experience level, then reinforce it with steady question practice.

Currently, the JN0-648 exam requires a passing score of Variable, approx 65-70% and carries a registration fee of $400 USD. Juniper can revise either figure, so confirm both on the official site before you schedule.

Because every step is built to save time. The JN0-648 bank is carefully made — expert-verified answers across the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) objectives, organized for efficient study rather than endless reading. Delivery is instant upon payment, updates are free for 365 days and arrive by email automatically, and our customer service team is online 24 hours to give fast, precise replies whenever a question about the materials comes up. Efficiency is the design goal, from first click to exam day.

The Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) blueprint is structured around these main domains:

  • Interior Gateway Protocols (IGPs) (20%)
  • Monitoring, Troubleshooting & High Availability (10%)
  • Layer 2 Authentication & Access Control (10%)

Further domains complete the official outline; the question bank spans every one.

Per the latest exam information, the JN0-648 exam includes 65 questions and allows 90-120 minutes. Rehearsing under the same limit at home removes one more unknown from exam day.

Upon successful payment, our system automatically emails the product to your mailbox — typically within about a minute — with an instant download link on screen, so you can start studying right away. If nothing arrives within two hours, check your spam folder and contact our 24-hour support team. Installations are unlimited, and your purchase includes 365 days of free updates delivered by email, plus a 50% renewal discount afterward.

Juniper lists these prerequisites for the Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT): Active JNCIS-ENT certification.

Confirm the current requirements on the official certification page before registering.

Registration goes through the official channels below:

Choose a test center or online session that fits your schedule, and book ahead for the best availability.

Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions:

Question #1

Exhibit.


You are implementing CoS for a custom application that is labeling its packets with DSCP code-point 101111. You have applied the configuration shown in the exhibit, but not that while some custom application traffic ingressin on ge-0/0/1 transits the SRX Series device successfully, packets ingressing all other ge-* interfaces are being dropped.
Which action should you take to solve this problem?

  • A. Configure a scheduler and scheduler map for expedited-forwarding and apply to all interfaces.
  • B. Apply the rate-limit-ef policer to all ge-interfaces.
  • C. Remove the BA classifier from all ge-interfaces.
  • D. Modify the BA classifier to assign code point 101111 to loss priority low.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

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 not authenticated using 802. 1X
  • C. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
  • D. The supplicant is authenticated using 802. 1X
Reveal Solution  Discussion  0

Correct Answer: A,B  🗳️

Question #3

Exhibit.

Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?

  • A. 5
  • B. 2
  • C. 8
  • D. 3
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

When redistributing IGP routes into BGP. what information .s used by default on Junos platforms to determine the BGP route's MED attribute value?

  • A. the IGP route preference
  • B. routing information base
  • C. route protocol source
  • D. the IGP Metric
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

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 S-VLAN is disabled.
  • C. There are no active ports.
  • D. The C-VLANs are disabled.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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