New Training: Core Network Components for Cisco Collaboration
In this 8-video skill, CBT Nuggets trainer Lalo Nunez covers introduces you to core network components found in your environment. Watch this new Cisco training.
Learn Cisco with one of these courses:
Cisco CCNP Collaboration Core
This training includes:
50 minutes of training
You’ll learn these topics in this skill:
Intro: Core Network Components
What is a network?
Components of a network
Hierarchical Network Model – Access Layer
Hierarchical Network Model – Distribution and Core Layer
Wireless LAN (WLAN)
What is the Three-Layer Hierarchical Network Model in Networking?
The Hierarchical Network Model is a networking architecture that categorizes an enterprise network into three distinct layers: the core, distribution, and access layers. This design model is beneficial for organizations as it formalizes the design and deployment of an enterprise-grade network and allows for easy scalability as networks grow.
The Core Layer, considered the network's backbone, uses extremely fast routers and switches designed to support extremely fast network traffic between different networks and pass data from the Core Layer to the Distribution Layer.
The Distribution Layer sits between the Core Layer and the Access Layer designed to provide routing, enforce access lists, and ensure that packets are routed to the correct subnet and VLANs.
The Access Layer serves as the architectural layer that supports network-connected endpoints such as servers and workstations. Further, organizations can implement access controls and policy definitions for how network-connect devices communicate at this layer.
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