Cisco Designing Cisco Enterprise Networks (300-420日本語版) : 300-420日本語

  • Exam Code: 300-420J
  • Exam Name: Designing Cisco Enterprise Networks (300-420日本語版)
  • Updated: Aug 23, 2026     Q & A: 457 Questions and Answers

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About Cisco 300-420日本語 Exam

Career Opportunities for People Who Pass 300-420 Exam and Get Certified

If you are starting the IT career, earning an intermediate-level Cisco certification can provide a plethora of employment opportunities. There are various positions that you can apply for after passing the Cisco 300-420 exam and obtaining the CCNP Enterprise certificate and they are as follows:

  • Wireless Design Engineer
  • Network Administrator
  • System Engineer
  • Network Architect
  • Network Design Engineer
  • Network Security Engineer
  • Network Engineer
  • Network Manager

Having this certification under your belt can help you get a much higher salary as well. Depending on what position you land, extra skills, and experience, your compensation can vary. According to PayScale.com, as a network engineer, you can earn around $74k, while the salary for a network architect is around $122k annually. If you start working as a network security engineer you can easily get over $82k per year.

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

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;
  • 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.
  • Designing the campus network for high availability, including BFD, first-hop redundancy protocols, Graceful restart, and platform abstraction methods;

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Automation

This section makes up 10% of the whole content and requires that the students possess an understanding of the following processes:

  • Selecting the appropriate YANG data model set to meet the requirements;
  • Explaining the influence of model-driven telemetry on networks such as periodic publication and on-change publication;
  • Comparing the dial-in and dial-out techniques to model-driven telemetry.
  • Distinguishing between NETCONF & RESTCONF;

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Cisco 300-420日本語 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Advanced Enterprise Campus Networks25%- Wireless integration
- Layer 2 campus design
  • 1. Spanning Tree Protocol optimization
    • 2. Hierarchical architecture
      • 3. VLAN and trunking design
        - Layer 3 campus design
        • 1. Virtualization and segmentation
          • 2. Routing in campus infrastructure
            Topic 2: Software-Defined Access (SDA)5%- Fabric design and deployment
            - SD-Access architecture
            - Control plane and data plane design
            Topic 3: Security Services10%- Security architecture design
            • 1. Threat defense integration
              • 2. Network segmentation
                - Secure connectivity
                Topic 4: Advanced Addressing and Routing Solutions25%- IPv4 and IPv6 addressing design
                • 1. Structured addressing plans
                  • 2. Route summarization and aggregation
                    - Routing protocol design
                    • 1. IS-IS design
                      • 2. Route redistribution and filtering
                        • 3. OSPF design
                          • 4. EIGRP design
                            Topic 5: WAN for Enterprise Networks20%- WAN resiliency and high availability
                            - WAN connectivity options
                            • 1. MPLS, Metro Ethernet, 4G/5G
                              • 2. SD-WAN architecture and design
                                - VPN design
                                • 1. Site-to-site VPN
                                  • 2. DMVPN, L2VPN, L3VPN
                                    Topic 6: Network Services15%- IP services
                                    • 1. DHCP, DNS, NAT
                                      - Multicast design
                                      - Quality of Service (QoS)
                                      • 1. Classification and marking
                                        • 2. Policing, shaping, congestion management

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