Cisco 300-420 Exam Questions : Designing Cisco Enterprise Networks

  • Exam Code: 300-420
  • Exam Name: Designing Cisco Enterprise Networks
  • Updated: Sep 28, 2026
  • Q&As: 457 Questions and Answers

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Intended Audience for Cisco 300-420

There are no formal prerequisites for the Cisco CCNP Enterprise but it is recommended that candidates should have at least 3 to 5 years of networking experience. This is because a lot of practical skills are tested during the exams, including 300-420. So, all you need is some underlying networking knowledge so that you have a basic understanding of everything that is being discussed.

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WAN for Enterprise Networks

This topic focuses on 20% of the overall content and validates the applicants’ competence in the following areas:

  • Explaining the design considerations for Cisco SD-WAN (LAN design, control plane design, overlay design, scalability, redundancy, high availability, security design, multicast & QoS over the SD-WAN fabric).
  • Designing site-to-site VPN, such as DMVPN, MPLS L3 VPN, L2 VPN, IPsec, GET VPN & GRE;
  • Explaining the architecture for Cisco SD-WAN, including management plane orchestration plan, data plane, security, control plane, provisioning, and on-boarding;
  • Designing high availability for enterprise WAN, covering failover, multihomed, backup connectivity, as well as single-homed;
  • Comparing the connectivity options for WAN, including MPLS L3 VPN, L2 VPN, 4G/5G, DWDM, Metro Ethernet, and SD-WAN customer edge;

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

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300-420 exam dumps

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How to Pass 300-420 Exam?

The Cisco 300-420 test is a very diligently-designed exam that touches on almost every aspect of Cisco enterprise networking, routing & switching, and designing concepts. Securing the bare minimum passing marks in this exam is not an easy job as it demands more than commitment. All in all, there should be an army of reliable study resources to make a candidate skilled enough to pass the final exam. So, here is a list of some trustworthy resources that have proved beneficial for applicants to have a better hold over exam objectives:

#1 - Designing Cisco Enterprise Networks (ENSLD) v1.0 Course

Managed by Cisco and its associated partners, it is the official training course that the test-takers can join to taste success in the Cisco 300-420 exam. This course, in particular, has been designed by Cisco experts and helps candidates gain the latest information about enterprise network design and its related concepts. To know more, such a training alternative is delivered via classroom and virtual method and is 5 days long. In each delivery mode, candidates will be able to learn via lectures, self-study, and practical sessions. Additionally, taking up this course not only eases down the Cisco 300-420 exam journey but also helps a candidate earn 40 CE credits toward recertification. This way, it can help you reap dual benefits. And when it comes to its target audience, networking design engineers, network engineers, and system administrators are the ideal candidates for such a training course. While there are no official prerequisites to enroll for such a test, it is suggested that applicants should have basic computing and internet understanding. On top of these, a clear understanding of routing and switching fundamentals along with clarity over basic wireless networking concepts and terminology makes the whole course journey way more simplified.

Cisco 300-420 Exam Syllabus Topics:

SectionObjectives
WAN and Edge Connectivity Design- Traditional WAN and internet edge design
- SD-WAN architecture and design considerations
Network Automation and Programmability- Controller-based networking design
- API-driven network automation concepts
Enterprise Campus Network Design- Spine-leaf and hierarchical design models
- Campus LAN architecture
Network Services Design- Routing protocols design (OSPF, EIGRP, BGP)
- Multicast and QoS design considerations
Security Design in Enterprise Networks- Segmentation and access control design
- VPN and perimeter security architecture
Enterprise Network Design Principles- Scalability and high availability design
- Design methodologies and best practices

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