Objectives 
                                ·	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