Designing Cisco Enterprise Networks: 300-420 Exam

"Designing Cisco Enterprise Networks", also known as 300-420 exam, is a Cisco Certification. With the complete collection of questions and answers, UpdateDumps has assembled to take you through 457 Q&As to your 300-420 Exam preparation. In the 300-420 exam resources, you will cover every field and category in CCNP Enterprise Certification helping to ready you for your successful Cisco Certification.

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  • Updated on: Oct 04, 2026
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  • Updated on: Oct 04, 2026
  • No. of Questions: 457 Questions & Answers

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How can you evaluating the CCNP Enterprise, Cisco 300-420 - Enterprise Design Exam

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The CCNP Enterprise certification is designed to test the ability of a network expert to implement and maintain modern core business network technologies. The CCNP Enterprise core exam validates a prospect's understanding of infrastructure, virtualization, security, and automation; Creation of wired and wireless corporate networks VM, Virtual Switch, and Hypervisor Configuration, Chassis L2, L3, and Wireless Component Installation and Repair, Configure and confirm security attributes for wired and wireless infrastructures, Automate tasks with Python, REMAINDER API, and orchestration tools.

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The Cisco 300-420 ENSLD is a certification exam that verifies your understanding of enterprise designing, including advanced enterprise campus networks, advanced routing and addressing solutions, WAN, SDA, network services, and security services. This test is associated with two certificates, which are the Cisco Certified Specialist – Enterprise Design and the CCNP Enterprise. In this article, we will talk about this exam in more detail.

Cisco 300-420 Exam Topics:

SectionWeightObjectives
Network Services20%-Select appropriate QoS strategies to meet customer requirements (DiffServ, IntServ)
-Design end-to-end QoS policies
  • Classification and marking
  • Shaping
  • Policing
  • Queuing

-Design network management techniques

  • In-band vs. out-of-band
  • Segmented management networks
  • Prioritizing network management traffic

-Describe multicast routing concepts (source trees, shared trees, RPF, rendezvous points)
-Design multicast services (SSM, PIM bidirectional, MSDP)

Advanced Enterprise Campus Networks25%- Design campus networks for high availability
  • First Hop Redundancy Protocols
  • Platform abstraction techniques
  • Graceful restart
  • BFD

-Design campus Layer 2 infrastructures

  • STP scalability
  • Fast convergence
  • Loop-free technologies
  • PoE and WoL

-Design multicampus Layer 3 infrastructures

  • Convergence
  • Load sharing
  • Route summarization
  • Route filtering
  • VRFs
  • Optimal topologies
  • Redistribution

-Describe SD-Access Architecture (underlay, overlay, control and data plane, automation, wireless, and security)
-Describe SD-Access fabric design considerations for wired and wireless access (overlay, fabric design, control plan design, border design, segmentation, virtual networks, scalability, over the top and fabric for wireless, multicast)

Automation10%- Choose the correct YANG data model set based on requirements
-Differentiate between IETF, Openconfig, and Cisco native YANG models
-Differentiate between NETCONF and RESTCONF
-Describe the impact of model-driven telemetry on the network
  • Periodic publication
  • On-change publication

-Compare dial-in and dial-out approaches to model-driven telemetry

Advanced Addressing and Routing Solutions25%-Create structured addressing plans for IPv4 and IPv6
-Create stable, secure, and scalable routing designs for IS-IS
-Create stable, secure, and scalable routing designs for EIGRP
-Create stable, secure, and scalable routing designs for OSPF
-Create stable, secure, and scalable routing designs for BGP
  • Address families
  • Basic route filtering
  • Attributes for path preference
  • Route reflectors
  • Load sharing

-Determine IPv6 migration strategies

  • Overlay (tunneling)
  • Native (dual-stacking)
  • Boundaries (IPv4/IPv6 translations)
WAN for Enterprise Networks20%-Compare WAN connectivity options
  • Layer 2 VPN
  • MPLS Layer 3 VPN
  • Metro Ethernet
  • DWDM
  • 4G/5G
  • SD-WAN customer edge

-Design site-to-site VPN

  • Dynamic Multipoint VPN (DMVPN)
  • Layer 2 VPN
  • MPLS Layer 3 VPN
  • IPsec
  • Generic Routing Encapsulation (GRE)
  • Group Encrypted Transport VPN (GET VPN)

-Design high availability for enterprise WAN

  • Single-homed
  • Multihomed
  • Backup connectivity
  • Failover

-Describe Cisco SD-WAN Architecture (orchestration plane, management plane, control plane, data plane, on-boarding and provisioning, security)
-Describe Cisco SD-WAN design considerations (control plane design, overlay design, LAN design, high availability, redundancy, scalability, security design, QoS and multicast over SD-WAN fabric)

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ensld-300-420.html

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