Juniper JN0-400 actual dump : EX, Associate (JNCIA-EX)

JN0-400
  • Exam Code: JN0-400
  • Exam Name: EX, Associate (JNCIA-EX)
  • Updated: Sep 13, 2026
  • Q & A: 120 Questions and Answers

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About Juniper JN0-400 Exam Questions

PDF, desktop test engine, or online test engine — Actual4Dumps lets you prepare for the Juniper EX, Associate (JNCIA-EX) whichever way fits your routine. All three formats cover the same 120 practice questions written for the 2026 JN0-400 syllabus.

Juniper JN0-400 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:EX, Associate (JNCIA-EX)
Exam Number:JN0-400
Available Languages:English
Related Certifications:JNCIE-ENT
JNCIS-ENT
JNCIP-ENT
Exam Duration:90 minutes
Exam Format:Scenario-based, Multiple Choice
Certificate Validity Period:3 years
Real Exam Qty:65
Exam Price:$200 USD
Passing Score:Variable (approximately 65-70%, not officially published)
Recommended Training:Junos Enterprise Switching (JEX)
Juniper TechLibrary
Exam Registration:Juniper Certification Page
Pearson VUE Registration
Sample Questions:Free Download Latest JN0-400 actual dumps
Exam Way:Delivered by Pearson VUE; available at test centers or online proctored
Pre Condition:No mandatory prerequisites; basic networking knowledge recommended
Official Syllabus URL:https://www.juniper.net/us/en/training/certification.html

Juniper JN0-400 Exam Syllabus Topics:

SectionWeightObjectives
Layer 2 Switching Technologies20%- Spanning Tree Protocol
- VLANs and trunking
- Link Aggregation (LAG)
- Port security and storm control
User Interfaces20%- Configuration hierarchy
- CLI modes and navigation
- Commit, rollback, and rescue configuration
Junos OS Fundamentals15%- Software installation and upgrades
- Junos architecture, control/forwarding planes
- Routing Engine and Packet Forwarding Engine
Networking Fundamentals15%- IPv4/IPv6 addressing and subnetting
- Ethernet and switching concepts
- Broadcast and collision domains
Configuration Basics20%- Management access and services
- Interface configuration and monitoring
- System settings and user management
System Monitoring & Maintenance10%- Log and event monitoring
- Basic troubleshooting methodology
- Show and diagnostic commands

Common Questions About the Juniper JN0-400 Exam

The Juniper EX, Associate (JNCIA-EX) is the official Juniper exam that leads to the Juniper Networks Certified Associate - EX (JNCIA-EX) certification at the Associate level. Passing it validates your skills against Juniper standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as JNCIS-ENT, JNCIP-ENT, JNCIE-ENT, so it can serve as a solid step in a broader certification path.

The JN0-400 exam has 65 questions in total and must be completed within 90 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 90 minutes limit, and repeat until you can finish with a few minutes left for review.

The passing score for the JN0-400 exam is Variable (approximately 65-70%, not officially published), and the official registration fee is $200 USD. Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 120 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.

Juniper sets the following requirement for the JN0-400 exam: No mandatory prerequisites; basic networking knowledge recommended. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://www.juniper.net/us/en/training/certification.html before you register.

You can register for the Juniper EX, Associate (JNCIA-EX) through the following official channels:

The JN0-400 exam is delivered as Delivered by Pearson VUE; available at test centers or online proctored, so review the technical and check-in requirements for that format when you schedule your appointment.

Juniper recommends the following official training options for the Juniper EX, Associate (JNCIA-EX):

Official courses build the theory, and pairing them with the 120 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.

Yes. Actual4Dumps offers a free PDF demo for the Juniper EX, Associate (JNCIA-EX), so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.

If you take the JN0-400 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. To qualify, submit a scanned copy of your exam enrollment slip together with your official Score Report (PDF) within 2 days after the exam date, and your claim will be processed within 7 days. Note that the guarantee applies only to the corresponding exam: attempts taken within 3 days of purchase, downloaded-but-unused materials, free resources, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not refund, you can exchange the product for two free exam products of equal value while keeping the update service on your original purchase.

Delivery is instant: your files are available to download right after payment and are also sent to your email within one minute. If nothing arrives within 2 hours, contact our support team (and check your spam folder first). There is no limit on the number of computers you can install the product on.

The Juniper EX, Associate (JNCIA-EX) is organized into 6 domains. Among the first ones are Configuration Basics (20%), User Interfaces (20%), Layer 2 Switching Technologies (20%), and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full JN0-400 exam outline above on this page.

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