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  • Total Questions: 457
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300-420 exam dumps

Cisco 300-420 Value Package

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  • Exam Code: 300-420
  • Exam Name: Designing Cisco Enterprise Networks
  • No. of Questions: 457 Questions and Answers
  • Updated: Aug 27, 2026

Cisco 300-420 Exam Topics:

SectionWeightObjectives
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)
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)

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)

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

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

Network Services

The questions from this subject area cover 20% of the entire content and evaluate the candidates’ ability to perform the following operations:

  • Design the techniques for network management, such as prioritize network management traffic, in-band versus out-of-band, and segmented management networks;
  • Design the policies for end-to-end QoS, including queuing, shaping, policing, marking & classification;
  • Explain the concepts of multicast routing (rendezvous points, source trees, shared trees, and RPF);
  • Choose the relevant QoS strategies to meet the requirements of customers;
  • Design SSM, MSDP, and PIM bi-directional multicast services.

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Details of Cisco 300-420 Exam

The Cisco 300-420 exam consists of about 65 questions that have to be answered within the allocated time of 90 minutes. These items can be presented in different formats, including drag and drop, fill-in-the-blank, testlets, and multiple choice. The students are required to achieve the passing score of 750 points out of a total of 1000. This result allows them to get the associated certification. Besides that, the individuals should be ready to pay the fee of $300. After that, they can register and schedule 300-420 ENSLD through Pearson VUE. This platform provides the candidates with two delivery methods. You can choose the in-person variant and sit for the exam at one of the testing centers. On the other hand, you can opt for the online testing and take the exam from the comfort of your home. Those learners who do not complete the test will have a five-day waiting period before their next attempt.

Cisco 300-420 Exam Details

As for the exam details, Cisco 300-420 lasts for 90 minutes and it contains many types of questions including fill-in-the-blanks, drag and drop, multiple-choice, and scenario-based. The test is available in English and Japanese. In order to pass the exam, candidates should answer at least 80 to 85% of the items correctly.

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