Study guide
Nokia NRS I study guide
Read a lesson, then practice the ideas you want to remember.
Lessons
- BGP Architecture and Peering — Free Study Guide 2026
- BGP Path Attributes and Route Selection
- IBGP Split-Horizon and Scaling Solutions
- Internet Components, Peering, and Transit
- Bridging, Switching, and Collision/Broadcast
- Ethernet Framing and Physical Standards
- Ethernet Redundancy, Spanning Tree, and LAGs
- VLANs and IEEE 802.1Q Tagging — Free Study Guide 2026
- IS-IS Protocol Architecture and Operations
- OSPF Fundamentals and Adjacency Formation
- OSPF Multi-Area Architecture and LSA Types
- IP in Homes and Small Businesses — Free Study Guide 2026
- IPv4 Addressing Architecture and Classes
- IPv4 Subnetting, CIDR, and VLSM — Free Study Guide 2026
- IPv6 Addressing Fundamentals — Free Study Guide 2026
- Address Resolution Protocol and IPv6 Neighbo
- ICMP and Network Troubleshooting — Free Study Guide 2026
- IPv4 Header Architecture and Packet Forwardi
- Label Distribution Protocol — Free Study Guide 2026
- MPLS Concepts and Label Operations — Free Study Guide 2026
- RSVP-TE and Traffic Engineering — Free Study Guide 2026
- Boot Process and Configuration Recovery
- Nokia Service Router Hardware Architecture
- SR OS Classic CLI Navigation and Operations
- Model-Driven CLI and Datastore Management
- Layer 2 Services: VPWS/VLL and VPLS — Free Study Guide 2026
- Layer 3 Services: IES and VPRN — Free Study Guide 2026
- Nokia Service Architecture and Building Bloc
- Network Architecture and Device Planes — Free Study Guide 2026
- OSI Reference Model and Layer Functions
- TCP/IP Protocol Stack and Data Encapsulation
- Dynamic Routing Protocols Overview — Free Study Guide 2026
- Routing Concepts, RIB vs FIB, and Route Pref
- Static Route Configuration and Next-Hop Reso