1.1 JNCIA-Junos Exam Facts
Key Takeaways
- The JNCIA-Junos exam is delivered as exam code JN0-105 with 65 multiple-choice questions in a 90-minute window through Pearson VUE
- The associate-level written exam fee is $200 USD, and there are no prerequisite certifications or sponsorship requirements
- Juniper shows an immediate pass or fail result; it does not publicly publish a numeric passing score for JNCIA-Junos
- Juniper certifications are valid for 3 years, after which you must recertify to keep the credential active
- The credential signifies foundational competence in Junos OS networking devices: CLI operation, basic configuration, monitoring, and routing
About the JNCIA-Junos Exam
Quick Answer: The Juniper Networks Certified Associate, Junos (JNCIA-Junos) is delivered as exam code JN0-105: 65 multiple-choice questions, 90 minutes, $200 USD, administered through Pearson VUE. It has no prerequisites, returns an immediate pass or fail result, and the certification stays valid for 3 years.
The JNCIA-Junos is the entry point into Juniper Networks' certification program. It validates that you understand networking fundamentals and can operate devices running Junos OS (Juniper's network operating system) at a foundational level. The credential is designed for networking professionals, students, and anyone beginning a career working with Juniper routers, switches, and security devices.
Why the Exam Facts Matter
Juniper does not publish a numeric passing score, so your study target is broad mastery of every objective area rather than a percentage to clear. Knowing the format up front lets you plan pacing and budget realistic study time instead of guessing.
Exam Format at a Glance
| Detail | Information |
|---|---|
| Exam Code | JN0-105 |
| Number of Questions | 65 multiple-choice questions |
| Time Limit | 90 minutes |
| Pacing | ~83 seconds per question |
| Cost | $200 USD (associate-level written exam) |
| Delivery | Pearson VUE (in person or online proctored), in English |
| Result | Immediate pass or fail (no published numeric score) |
| Prerequisites | None |
| Certification Validity | 3 years |
No Prerequisites, No Sponsorship
Unlike some industry exams, the JNCIA-Junos has no prerequisite certification and no employer sponsorship requirement. Anyone can register and sit for it. Juniper recommends basic networking knowledge first, but it is not enforced. This makes JNCIA-Junos an accessible first credential for students and career changers.
What the Certification Signifies
Passing JNCIA-Junos demonstrates that you can:
- Apply core networking concepts (Ethernet, IPv4/IPv6, subnetting, longest-prefix match)
- Explain Junos OS architecture, including the control plane and forwarding plane
- Navigate the Junos command-line interface (CLI) and use J-Web
- Perform base configuration, commit, rollback, and rescue operations
- Monitor device health and interpret operational output
- Reason about routing tables, route preference, static routes, and policy or firewall filter logic
The certification proves foundational competence; it is a starting point, not a senior-engineer credential.
Note on the 2026 Exam Update
Juniper announced a JNCIA-Junos update on March 2, 2026. JN0-105 remains the active exam through April 5, 2026, and a successor exam, JN0-106, begins April 6, 2026. The core objective areas (Junos fundamentals, CLI, configuration, monitoring, routing, and policy) carry forward, so the study approach in this guide remains applicable across the transition.
Official Resources
Always confirm logistics on Juniper's official pages before registering:
- JNCIA-Junos Official Exam Page — Objectives, format, and current exam code
- Juniper Certification Program Home — Program rules and recertification policy
- Juniper Training Purchase Options — Current exam pricing
- Schedule with Pearson VUE — Register and book a test seat
How many questions are on the JNCIA-Junos (JN0-105) exam, and how long do you have to complete it?
What is required before you can register for the JNCIA-Junos exam?
How does Juniper report JNCIA-Junos results, and how long is the certification valid?