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Cisco CCNP Enterprise (ENCOR)

Cisco CCNP Enterprise (ENCOR) Cheat Sheet

CCNP ENCOR Tests Enterprise Network Architecture Decisions, Not Just Protocol Details

The exam tests whether you can design, implement, and troubleshoot enterprise-scale networks across routing, switching, wireless, security, and automation.

Check Your Readiness →
Among the harder certs
Avg: Approximately 60–65%
Pass: 750 / 1000
Most candidates understand Cisco CCNP Enterprise (ENCOR) concepts — and still fail. This exam tests how you apply knowledge under pressure.

CCNP ENCOR Domain Framework

CCNP ENCOR (350-401) is the core exam for all CCNP Enterprise concentrations. Routing protocol design, SD-WAN/SD-Access architecture, and network automation are the most heavily tested areas.

  1. 01
    Architecture — Enterprise network design, SD-WAN, SD-Access, network virtualization
  2. 02
    Virtualization — VXLAN, LISP, fabric overlay/underlay, hypervisor networking
  3. 03
    Infrastructure — Advanced routing (OSPF, EIGRP, BGP), Layer 2 technologies, QoS
  4. 04
    Network Assurance — DNA Center, monitoring, troubleshooting methodology
  5. 05
    Security — AAA, SGT, TrustSec, network access control
  6. 06
    Automation — Python, Ansible, REST APIs, NETCONF/YANG

Wrong instinct vs correct approach

An enterprise needs to connect multiple branch offices to cloud services with optimal performance
✕ Wrong instinct

Deploy MPLS circuits between all branches and the cloud

✓ Correct approach

SD-WAN provides intelligent path selection across multiple transport types (MPLS, broadband, LTE) with application-aware routing — purpose-built for this use case and more cost-effective than all-MPLS connectivity

BGP routes are not being advertised to a peer despite correct configuration
✕ Wrong instinct

Check physical connectivity and restart BGP

✓ Correct approach

Verify BGP neighbor state, check route filters (prefix lists, route maps), confirm the network is in the BGP table (show ip bgp), verify next-hop reachability — route advertisement failures are almost always policy or reachability issues

A campus network needs micro-segmentation to isolate different user groups
✕ Wrong instinct

Use VLANs for all segmentation

✓ Correct approach

SD-Access with TrustSec/SGT provides policy-based micro-segmentation independent of physical topology — VLANs require extensive reconfiguration as users move; SGT policy follows the user

Know these cold

  • SD-WAN = WAN optimization over any transport; SD-Access = campus automation with segmentation
  • OSPF area types control LSA flooding — misconfiguration breaks routing adjacency and route propagation
  • BGP troubleshooting: neighbor state → route table → filters → next-hop — in that order
  • QoS DSCP marking should happen at the edge (ingress); queuing happens at congestion points
  • Python + REST API proficiency is tested — don't skip automation topics
  • NETCONF/YANG provides structured, programmatic device configuration management
  • VXLAN overlays provide network virtualization in both SD-WAN and SD-Access contexts

Can you answer these without checking your notes?

In this scenario: "An enterprise needs to connect multiple branch offices to cloud services with optimal performance" — what should you do first?
SD-WAN provides intelligent path selection across multiple transport types (MPLS, broadband, LTE) with application-aware routing — purpose-built for this use case and more cost-effective than all-MPLS connectivity
In this scenario: "BGP routes are not being advertised to a peer despite correct configuration" — what should you do first?
Verify BGP neighbor state, check route filters (prefix lists, route maps), confirm the network is in the BGP table (show ip bgp), verify next-hop reachability — route advertisement failures are almost always policy or reachability issues
In this scenario: "A campus network needs micro-segmentation to isolate different user groups" — what should you do first?
SD-Access with TrustSec/SGT provides policy-based micro-segmentation independent of physical topology — VLANs require extensive reconfiguration as users move; SGT policy follows the user

Common Exam Mistakes — What candidates get wrong

Applying CCNA-level troubleshooting to CCNP-scale scenarios

CCNP scenarios involve multi-site enterprise networks with complex routing policies, route redistribution, and SD-WAN overlays. CCNA-level troubleshooting is insufficient — CCNP expects systematic protocol-level diagnosis.

Confusing OSPF area types and their effects on LSA flooding

OSPF area types (Normal, Stub, Totally Stubby, NSSA, Totally NSSA) control which LSA types are allowed and what default routes are generated. Misconfiguring area type causes routing failures.

Misidentifying SD-WAN vs. SD-Access use cases

SD-WAN optimizes WAN connectivity using policy-based routing over any transport. SD-Access provides campus network automation with segmentation using VXLAN/LISP. Applying SD-WAN to campus segmentation problems is a common architectural error.

Ignoring QoS design requirements in enterprise traffic scenarios

Enterprise networks require QoS to prioritize voice, video, and critical application traffic. Candidates who don't consider QoS marking, queuing, and policing miss a significant exam domain.

Treating automation as add-on knowledge rather than core networking

CCNP ENCOR tests Python, REST APIs, NETCONF/YANG, and Ansible as core networking skills. Candidates who skip automation topics consistently miss 10–15% of exam questions.

CCNP ENCOR tests enterprise architecture judgment. Test whether your advanced networking knowledge is exam-ready.