Exam Code: 400-201
Exam Name: CCIE Service Provider Written Exam
Updated: Aug 02, 2026
Q & A: 700 Questions and Answers
400-201 Free Demo download
| Section | Weight | Objectives |
|---|---|---|
| Service Provider Architecture and Services | 21% | 1. Service provider architecture concepts a) Describe network architecture component and service provider network domains, for example: PE, P, CE, Metro Ethernet Core, Aggregation, RAN Backhaul, and eNodeB b) Describe Cisco IOS, Cisco IOS-XE, and Cisco IOS-XR software architecture components, for example: XR Kernel, System Manager, and Interprocess communication 2. Virtualization concepts a) Describe physical router virtualization, for example: SDR, Multiple-Logical-Routers, and Satellite Network Virtualization b) Describe Network Function Virtualization architecture concepts, for example: Service Function Chaining, ESP, EPN, and NFVI 3. Carrier Ethernet a) Describe, implement, and troubleshoot E-LINE, for example: VPWS b) Describe, implement, and troubleshoot E-LAN and E-TREE, for example: VPLS and H-VPLS c) Describe, implement, and troubleshoot EVPN d) Describe IEEE 802.1ad (Q-in-Q), IEEE 802.1ah (Mac-in-Mac), and ITU G.8032 (REP) 4. L3VPN a) Describe, implement, and troubleshoot L3VPN b) Describe, implement, and troubleshoot Inter-AS L3VPN c) Describe, implement, and troubleshoot multicast VPN d) Describe, implement, and troubleshoot unified MPLS and CSC e) Describe, implement, and troubleshoot shared services, for example: Extranet and Internet access 5. Overlay VPN a) Describe, implement, and troubleshoot L2TPv3 b) Describe LISP 6. Internet service a) Describe, implement, and troubleshoot IPv6 transition mechanism, for example: NAT44, NAT64, 6RD, MAP, and DS Lite b) Describe, implement, and troubleshoot Internet peering route and transit policy enforcement |
| High Availability and Fast Convergence | 14% | 1. System level HA a) Describe Multichassis/clustering HA b) Describe, implement, and troubleshoot SS0/NSF, NSR, and GR c) Describe, implement, and troubleshoot IGP-LDP Sync d) Describe, implement, and troubleshoot LDP Session Protection 2. Layer 1/2/3 failure detection techniques a) Describe Layer 1 failure detection b) Describe, implement, and troubleshoot Layer 2 failure detection c) Describe, implement, and troubleshoot Layer 3 failure detection 3. Routing/fast convergence a) Describe, implement, and optimize IGP convergence b) Describe, implement, and optimize BGP convergence c) Describe, implement, and optimize IP FRR and MPLS TE FRR |
| Core Routing | 25% | 1. Interior Gateway Protocol a) Describe, implement, and troubleshoot IS-IS b) Describe, implement, and troubleshoot OSPFv2 and OSPFv3 c) Describe and optimize IGP scale and performance 2. Border Gateway Protocol a) Describe, implement, and troubleshoot IBGP, EBGP, and MP-BGP b) Describe, implement, and troubleshoot BGP route policy enforcement c) Describe BGP path attribute d) Describe and optimize BGP scale and performance e) Describe, implement, and troubleshoot advanced BGP features 3. Multiprotocol Label Switching a) Describe MPLS forwarding and control plane mechanisms b) Describe, implement, and troubleshoot LDP c) Describe and optimize LDP scale and performance 4. MPLS Traffic Engineering a) Describe, implement, and troubleshoot RSVP b) Describe, implement, and troubleshoot ISIS and OSPF extensions c) Describe, implement, and troubleshoot MPLS TE policy enforcement d) Describe MPLS TE attributes e) Describe and optimize MPLS TE scale and performance f) Describe, implement, and troubleshoot MPLS advanced features, for example: Segment Routing and MPLS-TE Inter-AS 5. Multicast a) Describe, implement, and troubleshoot PIM (PIM-SM, PIM-SSM, and PIM-BIDIR) b) Describe, implement, and troubleshoot RP (Auto-RP, BSR, Static, Anycast RP, and MSDP) c) Describe, implement, and troubleshoot mVPN d) Describe and optimize multicast scale and performance 6. Quality of Service a) Describe, implement, and troubleshoot classification and marking b) Describe, implement, and troubleshoot congestion management and scheduling c) Describe, implement, and troubleshoot congestion avoidance d) Describe, implement, and troubleshoot MPLS QoS models (Pipe, Short Pipe, and Uniform) e) Describe, implement, and troubleshoot MPLS TE QoS (MAM, RDM, CBTS, PBTS, and DS-TE) |
| Evolving Technologies v1.1 | 10% | 1 Cloud a) Compare and contrast Cloud deployment models a) [i] Infrastructure, platform, and software services (XaaS) a) [ii] Performance and reliability a) [iii] Security and privacy a) [iv] Scalability and interoperability b) Describe Cloud implementations and operations b) [i] Automation and orchestration b) [ii] Workload mobility b) [iii] Troubleshooting and management b) [iv] OpenStack components 2 Network Programmability (SDN) a) Describe functional elements of network programmability (SDN) and how they interact a) [i] Controllers a) [ii] APIs a) [iii] Scripting a) [iv] Agents a) [v] Northbound vs. Southbound protocols b) Describe aspects of virtualization and automation in network environments b) [i] DevOps methodologies, tools and workflows b) [ii] Network/application function virtualization (NFV, AFV) b) [iii] Service function chaining b) [iv] Performance, availability, and scaling considerations 3 Internet of Things (IoT) a) Describe architectural framework and deployment considerations for Internet of Things a) [i] Performance, reliability and scalability a) [ii] Mobility a) [iii] Security and privacy a) [iv] Standards and compliance a) [v] Migration a) [vi] Environmental impacts on the network |
| Access and Aggregation | 18% | 1. Transport and encapsulation technologies a) Describe transport technologies, for example: optical, xDSL, DOCSIS, TDM, and GPON b) Describe Ethernet technologies c) Describe, implement, and troubleshoot link aggregation techniques 2. PE-CE connectivity a) Describe, implement, and troubleshoot PE-CE routing protocols, for example: static, OSPF, RIP, RIPng, EIGRP, ISIS, and BGP b) Describe, implement, and troubleshoot route redistribution c) Describe, implement, and troubleshoot route filtering d) Describe, implement, and troubleshoot loop prevention techniques in multihomed environments e) Describe, implement, and troubleshoot Multi-VRF CE 3. Quality of Service a) Describe, implement, and troubleshoot classification and marking b) Describe, implement, and troubleshoot congestion management and scheduling, for example: policing, shaping, and queuing c) Describe, implement, and troubleshoot congestion avoidance 4. Multicast a) Describe, implement, and troubleshoot IGMP and MLD b) Describe, implement, and troubleshoot PIM c) Describe, implement, and troubleshoot RP d) Describe and optimize multicast scale and performance |
| Service Provider Security, Operation, and Management | 12% | 1. Control plane security a) Describe, implement, and troubleshoot control plane protection techniques, for example: LPTS and CoPP b) Describe, implement, and troubleshoot routing protocol security, for example: BGP-TTL security and protocol authentication c) Describe, implement, and troubleshoot BGP prefix suppression d) Describe, implement, and troubleshoot LDP security, for example: authentication and label allocation filtering e) Describe, implement, and troubleshoot BGP prefix based filtering f) Describe, implement, and troubleshoot BGPsec 2. Management plane security a) Describe, implement, and troubleshoot device management, for example: MPP, SSH, and VTY b) Describe, implement, and troubleshoot logging and SNMP security c) Describe backscatter Traceback 3. Infrastructure security a.)Describe, implement, and troubleshoot uRPF b) Describe Lawful-intercept c) Describe, implement, and troubleshoot iACL d) Describe, implement, and troubleshoot RTBH e) Describe, implement, and troubleshoot BGP Flowspec f) Describe DDoS mitigation techniques 4. Timing and synchronization a) Describe timing protocol, for example: NTP, 1588v2, and SyncE 5. Network monitoring and troubleshooting a) Describe, implement, and troubleshoot syslog and logging functions b) Describe, implement, and troubleshoot SNMP traps, RMON, EEM, and EPC c) Describe, implement, and troubleshoot NetFlow and IPFIX d) Describe, implement, and troubleshoot IP SLA e0 Describe, implement, and troubleshoot MPLS OAM and Ethernet OAM 6. Network configuration and change management a0 Describe configuration change, implementation, and rollback |
The 400-201 exam is part of the new CCIE SP Written v4.1 certification. This exam measures your ability and skills related to configure, diagnose, and troubleshoot a series of complex network scenarios for a given specification based on dual stack solutions (IPv4 and IPv6).
Knowledge of troubleshooting is an important skill and candidates are expected to diagnose and solve issues as part of the CCIE lab exam. The candidate will not configure all end-user system; however, the candidate is responsible for all devices residing in the network.
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For more info visit: Cisco 400-201 Exam Reference
| Exam Price | $450 USD |
| Number of Questions | 90-110 |
| Sample Questions | Cisco 400-201 Sample Questions |
| Exam Code | 400-201 CCIE SP |
| Duration | 120 minutes |
| Exam Registration | PEARSON VUE |
| Exam Name | CCIE Service Provider Written Exam |
| Passing Score | Variable (750-850 / 1000 Approx.) |
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