Cisco 300-420 : Designing Cisco Enterprise Networks

300-420 real exams

Exam Code: 300-420

Exam Name: Designing Cisco Enterprise Networks

Updated: Aug 15, 2026

Q & A: 457 Questions and Answers

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Cisco 300-420: Skills outline

Cisco 300-420 is a certification test that evaluates the individuals’ understanding of a wide range of knowledge areas. The skills measured in this exam are combined in various objectives, which are enumerated below:

  • Advanced Enterprise Campus Networks (25%)

    In the framework of this knowledge area, the learners are expected to show their competency in designing campus networks for high availability, designing campus Layer 2 and multicampus Layer 3 infrastructures. The potential candidates should also know about SD-Access architecture and SD-Access fabric design considerations for both wired and wireless access.

  • Network Services (20%)

    To answer the questions in this topic, the individuals should be able to demonstrate that they have the relevant knowledge and are capable of selecting and employing the most appropriate quality strategies, which will help meet the customer’s requirements. Other skills under this section include describing network management techniques, designing multicast services (MSDP, SSM, PIM bidirectional), and describing multicast routing concepts (RPF, source trees, shared trees, and rendezvous points).

  • WAN for Enterprise Networks (20%)

    This area evaluates one’s skills and knowledge of building frameworks, which make network communication resources and services available to end-users and systems. The questions under this objective also require that the students be able to compare WAN connectivity options, design site-to-site VPN, and design Cisco SD-WAN architecture. It is also important to know about failover, backup connectivity, multihomed, and single-homed.

  • Automation (10%)

    This domain is all about testing the applicants on their knowledge of various data model sets that enable service providers to effectively and actively manage the networks of their end-users. In the framework of this subject, they need to demonstrate their competency in comparing dial-in and dial-out approaches to model-driven telemetry, describing the effect of model-driven telemetry on the network, differentiating between RESTCONF and NETCONF, choosing the right YANG data model set according to the requirements and choosing the right QoS strategies to meet the requirements of a customer.

  • Advanced Addressing and Routing Solutions (25%)

    Within this topic, the applicants are required to demonstrate their knowledge of advanced addressing & routing solutions. This means that they need to be well conversant with creating stable, scalable, and secure routing designs for different routing protocols, including EIGRP, IS-IS, OSPF, and BGP. They should also be conversant with IPv6 migration strategies that include Boundaries, Native, and Overlay.

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

Cisco ENSDL 300-420 Practice Test Questions, Cisco ENSDL 300-420 Exam Practice Test Questions

Passing the Cisco 300-420: Designing Cisco Enterprise Networks exam together with the core test, known as Cisco 350-401: Implementing Cisco Enterprise Network Core Technologies, is the major requirement for earning the CCNP Enterprise certification. Acing this exam also grants you another certificate that is Cisco Certified Specialist – Enterprise Design.

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Cisco 300-420 Exam Syllabus Topics:

SectionWeightObjectives
Advanced Enterprise Campus Networks25%- Design for high availability
- Design campus network services (QoS, multicast, etc.)
- Design Layer 2 and Layer 3 campus networks
WAN for Enterprise Networks20%- Design QoS for WAN
- Design WAN connectivity
- Design SD-WAN solution
Advanced Addressing and Routing Solutions25%- Create structured addressing designs
- Create stable, secure, and scalable routing designs for Layer 3
- Determine IPv6 migration strategy
Enterprise Campus Security20%- Design network access control
- Design network security
Services10%- Design end-to-end QoS policy
- Design network management

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