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Updated: Aug 06, 2026
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Juniper JN0-303 Exam Overview:
| Certification Vendor: | Juniper Networks |
| Exam Name: | Juniper Networks Certified Internet Specialist - M (JNCIS-M) |
| Exam Number: | JN0-303 |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Available Languages: | English |
| Exam Price: | $125 USD |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIA-M JNCIP-M JNCIE-M |
| Exam Format: | Multiple-choice, Scenario-based |
| Real Exam Qty: | 75 |
| Recommended Training: | Junos Intermediate Routing Operation and Troubleshooting of Juniper Routers |
| Exam Registration: | Juniper Certification Portal |
| Sample Questions: | Juniper JN0-303 Sample Questions |
| Exam Way: | Onsite at Prometric testing centers; Exam retired/discontinued |
| Pre Condition: | No formal prerequisites; JNCIA-M recommended |
| Official Syllabus URL: | https://www.juniper.net |
Juniper JN0-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Routing Protocols | 35% | - BGP attributes, policy and flap damping - IS-IS addressing and operation - OSPF configuration and summarization |
| Topic 2: Routing Policy & Firewall Filters | 20% | - Policy evaluation and subroutines - Import/export policies - Firewall filter design and application |
| Topic 3: Advanced Technologies | 20% | - Multicast routing and scoping - IPv6 addressing and configuration - Layer 2 and Layer 3 VPN concepts |
| Topic 4: Platform & Troubleshooting | 10% | - M/T-series platform operation - Protocol and traffic troubleshooting |
| Topic 5: Junos OS Fundamentals | 15% | - CLI operation and configuration management - System monitoring and maintenance - Software architecture and planes |
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