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Cisco 300-420 : Designing Cisco Enterprise Networks

300-420 real exams

Exam Code: 300-420

Exam Name: Designing Cisco Enterprise Networks

Updated: Aug 02, 2026

Q & A: 457 Questions and Answers

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Cisco 300-420: What? And How?

Exam 300-420 is suitable for system administrators, network engineers, and networking design engineers. All in all, there are several knowledge areas that you need to have a deep understanding of in order to pass such a test successfully. Thus, you should be familiar with the following:

  • Basic IP addressing and subnets;
  • Fundamental wireless networking notions as well as terms;
  • Building simple LANs and basic network fundamentals.
  • Routing & switching basics;

The most important information to look for after knowing that you qualify for such an exam is the skills measured. Generally, it is usually stated clearly through the topics covered. For this test, the main objectives are network services, advanced enterprise networks, automation, advanced addressing and routing solutions, network services, as well as WAN for enterprise networks. The exam format is another detail that you need to know about. Overall, there will be 60 multiple-choice questions, which you should complete within 90 minutes. You will certainly be able to answer all of them and get more than 825 points if you prepare wisely. Therefore, consider going for the official training and other prep resources, such as study guides, videos, and sample questions. To sit for this test, you need to pay $300 for the voucher. Also, please note that you can take it in English or Japanese. After you pass 300-420, you will get one of the Specialist certificates and the CCNP Enterprise if you take the Cisco 350-401 as well. However, you should understand that these are not lifetime certificates. They will be valid for only 3 years. After this period, you will be required to recertify to gain the desired benefits. There are a number of ways to follow this process. You can do so by taking the necessary exams or completing education activities. What is more, you can also do a combination of both.

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

Know about are the Prerequisites of Cisco 300-420 Exam

  • Cisco Enterprise Advanced Routing and Services Implementation (300-410 ENARSI)

  • Required Exams: The core exam for the CCNP Enterprise Certification is the Implementation and Operation of Cisco Enterprise Network Core Technologies (300-401 ENCOR). Candidates can choose one of five concentration exams:

  • Cisco Enterprise Network Design (300-420 ENSLD)

  • Cisco Enterprise Wireless Network Design (300-425 ENWLSD)

  • Implementation of Cisco SD-WAN solutions (300-415 ENSDWI)

  • Recommended Experience: Although Cisco certifications no longer have formal prerequisites, Cisco recommends that candidates attempting this professional-level exam have three to five years of experience implementing network technologies. business.

  • Cisco Enterprise Wireless Network Implementation (300-430 ENWLSI)

  • Prerequisite: none.

The Cisco 300-420 exam evaluates the skills and knowledge of the candidates of enterprise design, including advanced addressing & routing solutions, WAN, advanced enterprise campus networks, SDA, as well as network & security services. This is a concentration test required for obtaining two certificates, and namely CCNP Enterprise and Cisco Certified Specialist – Enterprise Design. Please note that you also have to pass the core exam, which is Cisco 350-401. After that, you can add these certifications to your CV and demonstrate your expertise in the field of enterprise networking solutions.

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:

  • 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.

  • 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).

  • 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 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.

  • 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.

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Cisco 300-420 Exam Syllabus Topics:

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

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