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Cisco 300-420 Exam Syllabus Topics:

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

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                                          Cisco Designing Cisco Enterprise Networks Sample Questions (Q111-Q116):

                                          NEW QUESTION # 111
                                          Drag and drop the elements from the left onto the functions they perform in the Cisco SD-WAN architecture on the right.

                                          Answer:

                                          Explanation:


                                          NEW QUESTION # 112
                                          Drag and drop the elements from the left onto the YANG models where they and used on the right.

                                          Answer:

                                          Explanation:

                                          Explanation:
                                          Diagram Description automatically generated


                                          NEW QUESTION # 113

                                          Refer to the exhibit. An architect must ensure a convergence time of 200 ms or less during a link failure within area 0. In addition, the solution must not impact the overall performance of the network. Which solution must the architect select?

                                          Answer: B


                                          NEW QUESTION # 114
                                          An engineer must design a large Layer 2 domain that contains hundreds of switches and VLANs.
                                          The engineer's primary goals are to:
                                          - Efficiently utilize the bandwidth of all links
                                          - Avoid Layer 2 loops
                                          - Cause minimal impact on switch CPU and memory
                                          Which technology should the engineer include in the design?

                                          Answer: D

                                          Explanation:
                                          MST groups a large amount of VLANS into single instances which lower the amount of CPU and memory utilization.
                                          https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24248-147.html#mst


                                          NEW QUESTION # 115
                                          What two features are benefits of using GRE tunnels with IPsec over using an IPsec tunnel alone in building-to-building site-to-site VPNs? (Choose two.)

                                          Answer: A,C


                                          NEW QUESTION # 116
                                          ......

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