The JNCIS-SP exam covers seven main domains, with heavy emphasis on BGP, MPLS, and IGP routing. Junos Routing Fundamentals (10%): Static, aggregate, generated routes, and filtering. Interior Gateway Protocols (IGP) - OSPF/IS-IS (20%): Link-state database, area types, troubleshooting neighbors. BGP (20%): Path selection, IBGP/EBGP, policies, communities. MPLS Fundamentals & LSPs (20%): RSVP-TE, LDP, traffic engineering, LSP optimization. VPNs (15%): Layer 3 VPNs, Layer 2 VPNs, EVPN (basics). Layer 2 Switching (5%): Spanning Tree (STP/RSTP), VLANs, Virtual Switches. Service Provider Operations & Monitoring (10%): Monitoring, troubleshooting, automation fundamentals. 3. Study Guide PDF Resources (2026)
The "Specialist" in the title comes from this section. jncis-sp study guide pdf
Be cautious of "brain dumps" (exact exam questions). Juniper actively revokes certifications for cheating. Focus on study guides , not answer keys . The JNCIS-SP exam covers seven main domains, with
| | Tree Type | RP Required? | Use Case | |----------|---------------|------------------|--------------| | Dense Mode (PIM-DM) | Source tree (SPT) | No | Legacy, broadcast networks | | Sparse Mode (PIM-SM) | Shared tree → SPT | Yes | Modern SP networks | | SSM (Source-Specific) | SPT only | No | Streaming media | BGP (20%): Path selection, IBGP/EBGP, policies, communities
Use show vpls mac-table and show evpn instance to verify MAC learning.