Domain | Written Exam (%) | Lab Exam (%) | |
1.0 Core Routing | 25% | 30% | |
1.1. Interior Gateway Protocol - 1.1.a. Describe, implement, and troubleshoot IS-IS
- 1.1.b. Describe, implement, and troubleshoot OSPFv2 and OSPFv3
- 1.1.c. Describe and optimize IGP scale and performance
1.2. Border Gateway Protocol - 1.2.a. Describe, implement, and troubleshoot IBGP, EBGP, and MP-BGP
- 1.2.b. Describe, implement, and troubleshoot BGP route policy enforcement
- 1.2.c. Describe BGP path attribute
- 1.2.d. Describe and optimize BGP scale and performance
- 1.2.e. Describe, implement, and troubleshoot advanced BGP features
1.3. Multiprotocol Label Switching - 1.3.a. Describe MPLS forwarding and control plane mechanisms
- 1.3.b. Describe, implement, and troubleshoot LDP
- 1.3.c. Describe and optimize LDP scale and performance
1.4. MPLS Traffic Engineering - 1.4.a. Describe, implement, and troubleshoot RSVP
- 1.4.b. Describe, implement, and troubleshoot ISIS and OSPF extensions
- 1.4.c. Describe, implement, and troubleshoot MPLS TE policy enforcement
- 1.4.d. Describe MPLS TE attributes
- 1.4.e. Describe and optimize MPLS TE scale and performance
- 1.4.f. Describe, implement, and troubleshoot MPLS advanced features, for example: Segment Routing and MPLS-TE Inter-AS
1.5. Multicast - 1.5.a. Describe, implement, and troubleshoot PIM (PIM-SM, PIM-SSM, and PIM-BIDIR)
- 1.5.b. Describe, implement, and troubleshoot RP (Auto-RP, BSR, Static, Anycast RP, and MSDP)
- 1.5.c. Describe, implement, and troubleshoot mVPN
- 1.5.d. Describe and optimize multicast scale and performance
1.6. Quality of Service - 1.6.a. Describe, implement, and troubleshoot classification and marking
- 1.6.b. Describe, implement, and troubleshoot congestion management and scheduling
- 1.6.c. Describe, implement, and troubleshoot congestion avoidance
- 1.6.d. Describe, implement, and troubleshoot MPLS QoS models (Pipe, Short Pipe, and Uniform)
- 1.6.e. Describe, implement, and troubleshoot MPLS TE QoS (MAM, RDM, CBTS, PBTS, and DS-TE)
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2.0 Service Provider Architecture and Services | 21% | 22% | |
2.1. Service provider architecture concepts - 2.1.a. Describe network architecture component and service provider network domains, for example: PE, P, CE, Metro Ethernet Core, Aggregation, RAN Backhaul, and eNodeB
- 2.1.b. Describe Cisco IOS, Cisco IOS-XE, and Cisco IOS-XR software architecture components, for example: XR Kernel, System Manager, and Interprocess communication
2.2. Virtualization concepts - 2.2.a. Describe physical router virtualization, for example: SDR, Multiple-Logical-Routers, and Satellite Network Virtualization
- 2.2.b. Describe Network Function Virtualization architecture concepts, for example: Service Function Chaining, ESP, EPN, and NFVI
2.3. Carrier Ethernet - 2.3.a. Describe, implement, and troubleshoot E-LINE, for example: VPWS
- 2.3.b. Describe, implement, and troubleshoot E-LAN and E-TREE, for example: VPLS and H-VPLS
- 2.3.c. Describe, implement, and troubleshoot EVPN
- 2.3.d. Describe IEEE 802.1ad (Q-in-Q), IEEE 802.1ah (Mac-in-Mac), and ITU G.8032 (REP)
2.4. L3VPN - 2.4.a. Describe, implement, and troubleshoot L3VPN
- 2.4.b. Describe, implement, and troubleshoot Inter-AS L3VPN
- 2.4.c. Describe, implement, and troubleshoot multicast VPN
- 2.4.d. Describe, implement, and troubleshoot unified MPLS and CSC
- 2.4.e. Describe, implement, and troubleshoot shared services, for example: Extranet and Internet access
2.5. Overlay VPN - 2.5.a. Describe, implement, and troubleshoot L2TPv3
- 2.5.b. Describe LISP
2.6. Internet service - 2.6.a. Describe, implement, and troubleshoot IPv6 transition mechanism, for example: NAT44, NAT64, 6RD, MAP, and DS Lite
- 2.6.b. Describe, implement, and troubleshoot Internet peering route and transit policy enforcement
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3.0 Access and Aggregation | 18% | 21% | |
3.1. Transport and encapsulation technologies - 3.1.a. Describe transport technologies, for example: optical, xDSL, DOCSIS, TDM, and GPON
- 3.1.b. Describe Ethernet technologies
- 3.1.c. Describe, implement, and troubleshoot link aggregation techniques
3.2. PE-CE connectivity - 3.2.a. Describe, implement, and troubleshoot PE-CE routing protocols, for example: static, OSPF, RIP, RIPng, EIGRP, ISIS, and BGP
- 3.2.b. Describe, implement, and troubleshoot route redistribution
- 3.2.c. Describe, implement, and troubleshoot route filtering
- 3.2.d. Describe, implement, and troubleshoot loop prevention techniques in multihomed environments
- 3.2.e. Describe, implement, and troubleshoot Multi-VRF CE
3.3. Quality of Service - 3.3.a. Describe, implement, and troubleshoot classification and marking
- 3.3.b. Describe, implement, and troubleshoot congestion management and scheduling, for example: policing, shaping, and queuing
- 3.3.c. Describe, implement, and troubleshoot congestion avoidance
3.4. Multicast - 3.4.a. Describe, implement, and troubleshoot IGMP and MLD
- 3.4.b. Describe, implement, and troubleshoot PIM
- 3.4.c. Describe, implement, and troubleshoot RP
- 3.4.d. Describe and optimize multicast scale and performance
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4.0 High Availability and Fast Convergence | 14% | 15% | |
4.1. System level HA - 4.1.a. Describe Multichassis/clustering HA
- 4.1.b. Describe, implement, and troubleshoot SS0/NSF, NSR, and GR
- 4.1.c. Describe, implement, and troubleshoot IGP-LDP Sync
- 4.1.d. Describe, implement, and troubleshoot LDP Session Protection
4.2. Layer 1/2/3 failure detection techniques - 4.2.a. Describe Layer 1 failure detection
- 4.2.b. Describe, implement, and troubleshoot Layer 2 failure detection
- 4.2.c. Describe, implement, and troubleshoot Layer 3 failure detection
4.3. Routing/fast convergence - 4.3.a. Describe, implement, and optimize IGP convergence
- 4.3.b. Describe, implement, and optimize BGP convergence
- 4.3.c. Describe, implement, and optimize IP FRR and MPLS TE FRR
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5.0 Service Provider Security, Operation, and Management | 12% | 12% | |
5.1. Control plane security - 5.1.a. Describe, implement, and troubleshoot control plane protection techniques, for example: LPTS and CoPP
- 5.1.b. Describe, implement, and troubleshoot routing protocol security, for example: BGP-TTL security and protocol authentication
- 5.1.c. Describe, implement, and troubleshoot BGP prefix suppression
- 5.1.d. Describe, implement, and troubleshoot LDP security, for example: authentication and label allocation filtering
- 5.1.e. Describe, implement, and troubleshoot BGP prefix based filtering
- 5.1.f. Describe, implement, and troubleshoot BGPsec
5.2. Management plane security - 5.2.a. Describe, implement, and troubleshoot device management, for example: MPP, SSH, and VTY
- 5.2.b. Describe, implement, and troubleshoot logging and SNMP security
- 5.2.c. Describe backscatter Traceback
5.3. Infrastructure security - 5.3.a. Describe, implement, and troubleshoot uRPF
- 5.3.b. Describe Lawful-intercept
- 5.3.c. Describe, implement, and troubleshoot iACL
- 5.3.d. Describe, implement, and troubleshoot RTBH
- 5.3.e. Describe, implement, and troubleshoot BGP Flowspec
- 5.3.f. Describe DDoS mitigation techniques
5.4. Timing and synchronization - 5.4.a. Describe timing protocol, for example: NTP, 1588v2, and SyncE
5.5. Network monitoring and troubleshooting - 5.5.a. Describe, implement, and troubleshoot syslog and logging functions
- 5.5.b. Describe, implement, and troubleshoot SNMP traps, RMON, EEM, and EPC
- 5.5.c. Describe, implement, and troubleshoot NetFlow and IPFIX
- 5.5.d. Describe, implement, and troubleshoot IP SLA
- 5.5.e. Describe, implement, and troubleshoot MPLS OAM and Ethernet OAM
5.6. Network configuration and change management - 5.6.a. Describe configuration change, implementation, and rollback
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6.0 Evolving Technologies v1.1 | 10% | N/A | |
6.1 Cloud - 6.1.a Compare and contrast public, private, hybrid, and multicloud design considerations
- 6.1.a [i] Infrastructure, platform, and software as a service (XaaS)
- 6.1.a [ii] Performance, scalability, and high availability
- 6.1.a [iii] Security implications, compliance, and policy
- 6.1.a [iv] Workload migration
- 6.1.b Describe cloud infrastructure and operations
- 6.1.b [i] Compute virtualization (containers and virtual machines)
- 6.1.b [ii] Connectivity (virtual switches, SD-WAN and SD-Access)
- 6.1.b [iii] Virtualization functions (NFVi, VNF, and L4/L6)
- 6.1.b [iv] Automation and orchestration tools (CloudCenter, DNA-center, and Kubernetes)
6.2 Network programmability (SDN) - 6.2.a Describe architectural and operational considerations for a programmable network
- 6.2.a [i] Data models and structures (YANG, JSON and XML)
- 6.2.a [i] Device programmability (gRPC, NETCONF and RESTCONF)
- 6.2.a [ii] Controller based network design (policy driven configuration and northbound/ southbound APIs)
- 6.2.a [iii] Configuration management tools (agent and agentless) and version control systems (Git and SVN)
6.3 Internet of things (IoT) - 6.3.a Describe architectural framework and deployment considerations for IoT
- 6.3.a [i] IoT technology stack (IoT Network Hierarchy, data acquisition and flow)
- 6.3.a [ii] IoT standards and protocols (characteristics within IT and OT environment)
- 6.3.a [iii] IoT security (network segmentation, device profiling, and secure remote)
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