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Objectives of 300-420 Test

There are various topics that are included in the exam and they are:

  • Advanced Address and Routing Solutions (25%).
  • This domain mainly focuses on creating structured addressing plans for IPv4 and IPv6; creating scalable, stable, and secure routing designs for IS-IS, EIGRP, OSPF, and BGP, including route filtering, load sharing, address families, path preference attributes, and route reflectors; determining IPv6 migration strategies, involving native, boundaries, and overlay.

  • Advanced Enterprise Campus Networks (25%).
  • This part of the exam content measures one's skills in designing campus networks for high availability and knowledge of techniques for platform abstraction, graceful restart, etc.; designing campus Layer 2 infrastructures and multicampus Layer 3 ones, including route summarization, VRFs, convergence, etc.; describing SD-Access Architecture as well as SD-Access fabric design for wireless and wired access.

  • Enterprise Networks and WAN (20%).
  • This section addresses the following areas: comparison of WAN connectivity options (DWDM, Layer 2 VPN, 4G/5G, Metro Ethernet, etc.); designing site-to-site VPN, including dynamic multipoint VPN, Ipsec, GRE, and others; designing high availability for enterprise WAN (failover, backip connectivity, etc.); Cisco SD-WAN architecture (on-boarding, security, control plane, and more); Cisco SD-WAN design considerations (redundancy, security design, overlay design, and others).

  • Network Services (20%).
  • The last domain focuses on the ability to choose proper QoS strategies, designing network management techniques; designing end-to-end QoS policies covering shaping, queuing, marking, and more; describing multicast routing concepts, and creating multicast services, including MSDP, SSM, and PIM bidirectional.

  • Automation (10%).
  • The Automation domain includes things like choosing the correct YANG data model taking current requirements into account; differentiating between IETF, Cisco native YANG models, and Openconfig as well as between RESTCONF and NETCONF; understanding the impact of model-drive telemetry, covering on-change and periodic publications; comparing dial-in and dial-out approaches to model-drive telemetry.

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

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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.

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Cisco 300-420 exam is a challenging certification exam that tests the knowledge and skills of professionals in designing enterprise-level networks. Passing 300-420 exam demonstrates the candidates' expertise in building scalable, secure, and efficient networks using Cisco technologies. With this certification, candidates can advance their careers and take on more challenging roles in the field of network engineering.

Cisco 300-420 Exam Syllabus Topics:

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

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