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CCNP Enterprise Certification Notes

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The CCNP exams currently consist of a compulsory core subject and a choice of elective subjects.

The core subject is 350-401 ENCOR: Implementing Cisco Enterprise Network Core Technologies, which also serves as the exam for the CCIE.
The elective subjects include:

  1. 300-410 ENARSI (Implementing Cisco Enterprise Advanced Routing and Services): This exam focuses on the implementation of advanced routing technologies and services for enterprise networks, involving routing protocols, policies, and network services.
  2. 300-415 ENSDWI (Implementing Cisco SD-WAN Solutions): Focuses on the implementation of Cisco SD-WAN solutions, including deployment, configuration, management, and monitoring.
  3. 300-420 ENSLD (Designing Cisco Enterprise Networks): Involves the design of Cisco enterprise networks, including advanced addressing assignments, routing policies, and network service design.
  4. 300-425 ENWLSD (Designing Cisco Enterprise Wireless Networks): Specifically targets the design of enterprise wireless networks, including wireless network architecture, design strategies, and implementation.
  5. 300-430 ENWLSI (Implementing Cisco Enterprise Wireless Networks): Focuses on the implementation of enterprise wireless networks, covering configuration, monitoring, and troubleshooting.
  6. 300-435 ENAUTO (Automating Cisco Enterprise Solutions): This course focuses on using automation technologies and programming languages to manage and configure Cisco enterprise solutions.
  7. 300-440 ENCC (Designing and Implementing Cloud Connectivity): Involves the design and implementation of cloud connectivity, including integration of cloud services and network optimization.
  8. 300-445 ENNA (Designing and Implementing Enterprise Network Assurance): Focuses on the design and implementation of enterprise network assurance, including network monitoring, analysis, and optimization. This is a new subject, launching on May 20, 2024.

Next, we will discuss ENCOR 350-401: Implementing Cisco Enterprise Network Core Technologies and ENARSI 300-410: Implementing Cisco Enterprise Advanced Routing and Services.

ENCOR 350-401: Implementing Cisco Enterprise Network Core Technologies

Architecture (15%)

  1. Explain the different design principles used in an enterprise network
    • High-level enterprise network designs such as 2-tier, 3-tier, fabric, and cloud
    • High availability techniques such as redundancy, FHRP, and SSO
  2. Describe wireless network design principles
    • Wireless deployment models (centralized, distributed, controller-less, controller-based, cloud, remote branch)
    • Location services in a WLAN design
    • Client density
  3. Explain the working principles of the Cisco SD-WAN solution
    • SD-WAN control and data planes elements
    • Benefits and limitations of SD-WAN solutions
  4. Explain the working principles of the Cisco SD-Access solution
    • SD-Access control and data planes elements
    • Traditional campus interoperating with SD-Access
  5. Interpret wired and wireless QoS configurations
    • QoS components
    • QoS policy
  6. Describe hardware and software switching mechanisms such as CEF, CAM, TCAM, FIB, RIB, and adjacency tables

Virtualization (10%)

  1. Describe device virtualization technologies
    • Hypervisor type 1 and 2
    • Virtual machine
    • Virtual switching
  2. Configure and verify data path virtualization technologies
    • VRF
    • GRE and IPsec tunneling
  3. Describe network virtualization concepts
    • LISP
    • VXLAN

Infrastructure (30%)

  1. Layer 2
    • Troubleshoot static and dynamic 802.1q trunking protocols
    • Troubleshoot static and dynamic EtherChannels
    • Configure and verify common Spanning Tree Protocols (RSTP, MST) and Spanning Tree enhancements such as root guard and BPDU guard
  2. Layer 3
    • Compare routing concepts of EIGRP and OSPF (advanced distance vector vs. link state, load balancing, path selection, path operations, metrics, and area types)
    • Configure simple OSPFv2/v3 environments, including multiple normal areas, summarization, and filtering (neighbor adjacency, point-to-point, and broadcast network types, and passive-interface)
    • Configure and verify eBGP between directly connected neighbors (best path selection algorithm and neighbor relationships)
    • Describe policy-based routing
  3. Wireless
    • Describe Layer 1 concepts, such as RF power, RSSI, SNR, interference, noise, bands, channels, and wireless client devices capabilities
    • Describe AP modes and antenna types
    • Describe access point discovery and join process (discovery algorithms, WLC selection process)
    • Describe the main principles and use cases for Layer 2 and Layer 3 roaming
    • Troubleshoot WLAN configuration and wireless client connectivity issues using GUI only
    • Describe wireless segmentation with groups, profiles, and tags
  4. IP Services
    • Interpret network time protocol configurations such as NTP and PTP
    • Configure NAT/PAT
    • Configure first hop redundancy protocols, such as HSRP, VRRP
    • Describe multicast protocols, such as RPF check, PIM and IGMP v2/v3

Network Assurance (10%)

  1. Diagnose network problems using tools such as debugs, conditional debugs, traceroute, ping, SNMP, and syslog
  2. Configure and verify Flexible NetFlow
  3. Configure SPAN/RSPAN/ERSPAN
  4. Configure and verify IPSLA
  5. Describe Cisco DNA Center workflows to apply network configuration, monitoring, and management
  6. Configure and verify NETCONF and RESTCONF

Security (20%)

  1. Configure and verify device access control
    • Lines and local user authentication
    • Authentication and authorization using AAA
  2. Configure and verify infrastructure security features
    • ACLs
    • CoPP
  3. Describe REST API security
  4. Configure and verify wireless security features
    • 802.1X
    • WebAuth
    • PSK
    • EAPOL (4-way handshake)
  5. Describe the components of network security design
    • Threat defense
    • Endpoint security
    • Next-generation firewall
    • TrustSec and MACsec
    • Network access control with 802.1X, MAB, and WebAuth

Automation (15%)

  1. Interpret basic Python components and scripts
  2. Construct valid JSON-encoded files
  3. Describe the high-level principles and benefits of a data modeling language, such as YANG
  4. Describe APIs for Cisco DNA Center and vManage
  5. Interpret REST API response codes and results in payload using Cisco DNA Center and RESTCONF
  6. Construct an EEM applet to automate configuration, troubleshooting, or data collection
  7. Compare agent vs. agentless orchestration tools, such as Chef, Puppet, Ansible, and SaltStack

ENARSI 300-410: Implementing Cisco Enterprise Advanced Routing and Services

Layer 3 Technologies (35%)

  1. Troubleshoot administrative distance (all routing protocols)
  2. Troubleshoot route map for any routing protocol (attributes, tagging, filtering)
  3. Troubleshoot loop prevention mechanisms (filtering, tagging, split horizon, route poisoning)
  4. Troubleshoot redistribution between any routing protocols or routing sources
  5. Troubleshoot manual and auto-summarization with any routing protocol
  6. Configure and verify policy-based routing
  7. Configure and verify VRF-Lite
  8. Describe Bidirectional Forwarding Detection
  9. Troubleshoot EIGRP (classic and named mode; VRF and global)
    • Address families (IPv4, IPv6)
    • Neighbor relationship and authentication
    • Loop-free path selections (RD, FD, FC, successor, feasible successor, stuck in active)
    • Stubs
    • Load balancing (equal and unequal cost)
    • Metrics
  10. Troubleshoot OSPF (v2/v3)

    Address families (IPv4, IPv6)

    Neighbor relationship and authentication

    Network types, area types, and router types

    • Point-to-point, multipoint, broadcast, nonbroadcast
    • Area type: backbone, normal, transit, stub, NSSA, totally stub
    • Internal router, backbone router, ABR, ASBR
    • Virtual link

      Path preference

  11. Troubleshoot BGP (Internal and External, unicast, and VRF-Lite)
    • Address families (IPv4, IPv6)
    • Neighbor relationship and authentication (next-hop, mulithop, 4-byte AS, private AS, route refresh, synchronization, operation, peer group, states and timers)
    • Path preference (attributes and best-path)
    • Route reflector (excluding multiple route reflectors, confederations, dynamic peer)
    • Policies (inbound/outbound filtering, path manipulation)

VPN Technologies (20%)

  1. Describe MPLS operations (LSR, LDP, label switching, LSP)
  2. Describe MPLS Layer 3 VPN
  3. Configure and verify DMVPN (single hub)
    • GRE/mGRE
    • NHRP
    • IPsec
    • Dynamic neighbor
    • Spoke-to-spoke

Infrastructure Security (20%)

  1. Troubleshoot device security using IOS AAA (TACACS+, RADIUS, local database)
  2. Troubleshoot router security features
    • IPv4 access control lists (standard, extended, time-based)
    • IPv6 traffic filter
    • Unicast reverse path forwarding (uRPF)
  3. Troubleshoot control plane policing (CoPP) (Telnet, SSH, HTTP(S), SNMP, EIGRP, OSPF, BGP)
  4. Describe IPv6 First Hop security features (RA guard, DHCP guard, binding table, ND inspection/snooping, source guard)

Infrastructure Services (25%)

  1. Troubleshoot device management
    • Console and VTY
    • Telnet, HTTP, HTTPS, SSH, SCP
    • (T)FTP
  2. Troubleshoot SNMP (v2c, v3)
  3. Troubleshoot network problems using logging (local, syslog, debugs, conditional debugs, timestamps)
  4. Troubleshoot IPv4 and IPv6 DHCP (DHCP client, IOS DHCP server, DHCP relay, DHCP options)
  5. Troubleshoot network performance issues using IP SLA (jitter, tracking objects, delay, connectivity)
  6. Troubleshoot NetFlow (v5, v9, flexible NetFlow)
  7. Troubleshoot network problems using Cisco DNA Center assurance (connectivity, monitoring, device health, network health)

References:
https://learningnetwork.cisco.com/s/ccnp-enterprise
https://learningnetwork.cisco.com/s/enarsi-exam-topics
https://learningnetwork.cisco.com/s/encor-exam-topics

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