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Cisco 300-420

300-420

Exam Code: 300-420

Exam Name: Designing Cisco Enterprise Networks

Updated: Jul 22, 2026

Q&A Number: 457 Q&As

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About Cisco 300-420 Exam Questions and Answers

Network Services

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

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

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

Career Prospects

The certified professionals have the expertise in configuring and implementing the EIGRP-based solutions. Thus, they can take a prestigious job with a higher salary. Some of the roles that these individuals can explore include a Network Administrator, an IT Security Specialist, a Help Desk Technician, a Cloud Engineer, a Network Manager, a Network Engineer, and many more. The average remuneration for the certificate holders is $109,000 per annum.

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#2 - Refer to Official Exam Guide

Commonly, the vendor offers an official exam guide for this and its other tests. These exam guides are the ideal way to understand the exam objectives in a detailed manner. For 300-420, you have the CCNP Enterprise Design ENSLD 300-420 Official Cert Guide: Designing Cisco Enterprise Networks as an option. Written by Steve Jordan and Anthony Bruno, this study guide has been recently published and is filled with relevant information about ENSLD 300-420 exam topics. Here, each chapter is packed with practical examples and relevant contexts. Plus, the systematic and logical coverage of enterprise designing concepts is noteworthy.

Advanced Enterprise Campus Networks

This part makes up 25% of the whole content and measures the professionals’ knowledge of specific technical areas. These include the following:

  • Designing the infrastructures for multicampus Layer 3 (route summarization, convergence, VRFs, load sharing, redistribution, route filtering, and optimal topologies);
  • Designing the infrastructures for campus Layer 2, such as fast convergence, PoE & WoL, STP scalability, and loop-free technologies;
  • Explaining overlay, underlay, security, automation, wireless, control & data plan of SD-Access architecture;
  • Designing the campus network for high availability, including BFD, first-hop redundancy protocols, Graceful restart, and platform abstraction methods;
  • Explaining the considerations for the SD-Access fabric design for wired and wireless access. These include fabric design, overlay, border design, control plan design, segmentation, as well as scalability, multicast, virtual networks, and over-the-top & fabric for wireless.

Cisco 300-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Enterprise Campus Security20%- Design network access control
- Design network security
Topic 2: Advanced Addressing and Routing Solutions25%- Create structured addressing designs
- Determine IPv6 migration strategy
- Create stable, secure, and scalable routing designs for Layer 3
Topic 3: WAN for Enterprise Networks20%- Design SD-WAN solution
- Design WAN connectivity
- Design QoS for WAN
Topic 4: Services10%- Design network management
- Design end-to-end QoS policy
Topic 5: Advanced Enterprise Campus Networks25%- Design campus network services (QoS, multicast, etc.)
- Design for high availability
- Design Layer 2 and Layer 3 campus networks

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