Cisco Designing Cisco Enterprise Networks - 300-420

Cisco 300-420 Actual PDF
  • Exam Code: 300-420
  • Exam Name: Designing Cisco Enterprise Networks
  • Updated: Aug 21, 2026
  • Q & A: 457 Questions and Answers
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The Cisco 300-420 exam is one of the requirements for the CCNP Enterprise certificate. Since candidates can choose their certification path according to their area of interest, those aiming to design Cisco enterprise networks should choose to take 300-420 test for sure. It validates one's ability to successfully handle different networks, perform advanced routing and addressing, work with WAN, ensure security, and many more.

Exam Policies for 300-420

There are some policies that one should know before going for the Cisco 300-420 exam. They will give you a clear idea as to the official requirements for those who can earn the certificates:

  • Secondly, candidates between the ages of 13 and 17 are minors and must have prior consent from their parents or guardians to earn this certification.
  • Finally, adults of age 18 and above can appear for the exams with no need for any permissions.
  • Children under the age of 13 cannot apply for Cisco certifications even if they manage to get their parents' approval.

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

Cisco 300-420 Exam Syllabus Topics:
SectionWeightObjectives
Topic 1: Network Services15%- Quality of Service (QoS)
  • 1. Policing, shaping, congestion management
    • 2. Classification and marking
      - Multicast design
      - IP services
      • 1. DHCP, DNS, NAT
        Topic 2: WAN for Enterprise Networks20%- 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
                - WAN resiliency and high availability
                Topic 3: Advanced Addressing and Routing Solutions25%- IPv4 and IPv6 addressing design
                • 1. Route summarization and aggregation
                  • 2. Structured addressing plans
                    - Routing protocol design
                    • 1. IS-IS design
                      • 2. Route redistribution and filtering
                        • 3. EIGRP design
                          • 4. OSPF design
                            Topic 4: Advanced Enterprise Campus Networks25%- Layer 3 campus design
                            • 1. Routing in campus infrastructure
                              • 2. Virtualization and segmentation
                                - Wireless integration
                                - Layer 2 campus design
                                • 1. Hierarchical architecture
                                  • 2. VLAN and trunking design
                                    • 3. Spanning Tree Protocol optimization
                                      Topic 5: Security Services10%- Secure connectivity
                                      - Security architecture design
                                      • 1. Threat defense integration
                                        • 2. Network segmentation
                                          Topic 6: Software-Defined Access (SDA)5%- Fabric design and deployment
                                          - Control plane and data plane design
                                          - SD-Access architecture

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