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Cisco Designing Cisco Enterprise Networks : 300-420

Updated: Jul 20, 2026

Q & A: 457 Questions and Answers

300-420 Braindumps VCE
  • Exam Code: 300-420
  • Exam Name: Designing Cisco Enterprise Networks

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  • The cost of the Cisco 300-420 Exam is $300.

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

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Cisco 300-420 Exam Certification Details:

Duration90 minutes
Exam RegistrationPEARSON VUE
Passing ScoreVariable (750-850 / 1000 Approx.)
Exam Price$300 USD
Sample QuestionsCisco 300-420 Sample Questions
Exam Code300-420 ENSLD
Recommended TrainingDesigning Cisco Enterprise Networks (ENSLD)
Exam NameDesigning Cisco Enterprise Networks
Number of Questions55-65

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Cisco 300-420 Exam Syllabus Topics:

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

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