• Illustrate the hierarchical network design model and architecture using the access, distribution, and core layers • Compare and contrast the various hardware and software switching mechanisms and operation, while defining the Ternary Content • Addressable Memory (TCAM) and Content Addressable Memory (CAM), along with process switching, fast switching, and Cisco Express Forwarding concepts • Troubleshoot Layer 2 connectivity using VLANs and trunking • Implementation of redundant switched networks using Spanning Tree Protocol • Troubleshooting link aggregation using Etherchannel • Describe the features, metrics, and path selection concepts of Enhanced Interior Gateway Routing Protocol (EIGRP) • Implementation and optimization of Open Shortest Path First (OSPF)v2 and OSPFv3, including adjacencies, packet types, and areas, summarization, and route filtering for IPv4 and IPv6 • Implementing External Border Gateway Protocol (EBGP) interdomain routing, path selection, and single and dual-homed networking • Implementing network redundancy using protocols including Hot Standby Routing Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP) • Implementing internet connectivity within Enterprise using static and dynamic Network Address Translation (NAT) • Describe the virtualization technology of servers, switches, and the various network devices and components • Implementing overlay technologies such as Virtual Routing and Forwarding (VRF), Generic Routing Encapsulation (GRE), VPN, and Location Identifier Separation Protocol (LISP) • Describe the components and concepts of wireless networking including Radio Frequency (RF) and antenna characteristics, and define the specific wireless standards • Describe the various wireless deployment models available, include autonomous Access Point (AP) deployments and cloud-based designs within the centralized Cisco Wireless LAN Controller (WLC) architecture • Describe wireless roaming and location services • Describe how APs communicate with WLCs to obtain software, configurations, and centralized management • Configure and verify Extensible Authentication Protocol (EAP), WebAuth, and Pre-shared Key (PSK) wireless client authentication on a WLC • Troubleshoot wireless client connectivity issues using various available tools • Troubleshooting Enterprise networks using services such as Network Time Protocol (NTP), Simple Network Management Protocol (SNMP), Cisco Internetwork Operating System (Cisco IOS®) IP Service Level Agreements (SLAs), NetFlow, and Cisco IOS Embedded Event Manager • Explain the use of available network analysis and troubleshooting tools, which include show and debug commands, as well as best practices in troubleshooting • Configure secure administrative access for Cisco IOS devices using the Command-Line Interface (CLI) access, Role-Based Access Control (RBAC), Access Control List (ACL), and Secure Shell (SSH), and explore device hardening concepts to secure devices from less secure applications, such as Telnet and HTTP • Implement scalable administration using Authentication, Authorization, and Accounting (AAA) and the local database, while exploring the features and benefits • Describe the enterprise network security architecture, including the purpose and function of VPNs, content security, logging, endpoint security, personal firewalls, and other security features • Explain the purpose, function, features, and workflow of Cisco DNA Center™ Assurance for Intent-Based Networking, for network visibility, proactive monitoring, and application experience • Describe the components and features of the Cisco SD-Access solution, including the nodes, fabric control plane, and data plane, while illustrating the purpose and function of the Virtual Extensible LAN (VXLAN) gateways • Define the components and features of Cisco SD-WAN solutions, including the orchestration plane, management plane, control plane, and data plane • Describe the concepts, purpose, and features of multicast protocols, including Internet Group Management Protocol (IGMP) v2/v3, Protocol-Independent Multicast (PIM) dense mode/sparse mode, and rendezvous points • Describe the concepts and features of Quality of Service (QoS), and describe the need within the enterprise network • Explain basic Python components and conditionals with script writing and analysis • Describe network programmability protocols such as Network Configuration Protocol (NETCONF) and RESTCONF • Describe APIs in Cisco DNA Center and vManage