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Updated: Sep 03, 2026
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The JN0-103 certification exam is a vendor-neutral exam that is recognized worldwide. It is an essential certification for network engineers who want to work with Juniper Networks Junos OS. Candidates who pass the exam can demonstrate the skills and knowledge required to configure and manage Junos devices, implement basic protocols, and troubleshoot network issues. Junos, Associate (JNCIA-Junos) certification is also beneficial for professionals who want to advance their careers in the networking industry and work with Juniper Networks technology.
Juniper JN0-103 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Junos, Associate (JNCIA-Junos) Exam |
| Exam Number: | JN0-103 |
| Available Languages: | Japanese, English |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple-choice, Written, proctored, Multi-select |
| Real Exam Qty: | 65 |
| Passing Score: | 65% |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIS-Service Provider Routing & Switching JNCIA-Security JNCIA-Cloud JNCIS-Enterprise Routing & Switching |
| Exam Price: | 200 USD |
| Recommended Training: | Introduction to Junos OS Junos Operating System Fundamentals |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-103 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE authorized centers |
| Pre Condition: | No formal prerequisites; basic networking knowledge recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/junos/jncia-junos.html |
The JN0-103 exam is an entry-level exam that is designed to help IT professionals validate their skills in Junos OS. JN0-103 exam is ideal for network engineers, network administrators, and other IT professionals who want to gain a better understanding of Juniper Networks technologies. The JN0-103 exam is a great starting point for individuals who want to pursue a career in network engineering or network administration.
Juniper JN0-103 (Junos, Associate (JNCIA-Junos)) Exam is a certification exam designed to test the knowledge and skills of individuals interested in a career in networking. JN0-103 exam is part of the Juniper Networks Certification Program and is intended for individuals who are interested in becoming proficient in the Junos operating system and networking fundamentals.
Juniper JN0-103 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Junos OS Fundamentals | 20% | - File system and software installation - Routing Engine and Packet Forwarding Engine - Software architecture and process overview - Configuration management |
| Topic 2: Routing Fundamentals | 15% | - Route preference and selection - Basic OSPF and RIP concepts - Static routes - Routing tables and routing information base |
| Topic 3: Routing Policy and Firewall Filters | 15% | - Firewall filter components - Match conditions and actions - Apply filters and policies - Policy structure and terms |
| Topic 4: Networking Fundamentals | 20% | - Collision and broadcast domains - Router and switch functions - Longest match routing - IPv4/IPv6 addressing and subnetting - Connection-oriented vs connectionless protocols - Ethernet and Layer 2 addressing |
| Topic 5: User Interfaces | 15% | - Filtering and output management - CLI modes and navigation - Configuration and operational modes - Help system and autocomplete |
| Topic 6: Configuration Basics | 15% | - System parameters and user accounts - Configuration hierarchy - Activate, save, and revert configurations - Interface configuration |
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