Cisco 3 layer Hierarchical Network Model | Core |Distribution | Access

Cisco three Layer Model: Cisco has three layer hierarchical network model that consist of following layers: Core Layer Distribution Layer Access Layer This three layered model is the basic foundation for creating small and larger Networks. Using this we can design a hierarchical network with dividing the network into 3 different layers which also help … Read more Cisco 3 layer Hierarchical Network Model | Core |Distribution | Access

Cisco PPDIOO | A Network Life Cycle

What is Cisco PPDIOO? PPDIOO (Prepare, Plan, Design, Implement, Operate, and Optimize) is the network life cycle that is defined by Cisco. PPDIOO has the six phases or steps for designing a network and these design phases are as following: Prepare Plan Design Implement Operate Optimize   Advantages/ benefits of PPDIOO: The main advantage of PPDIOO … Read more Cisco PPDIOO | A Network Life Cycle

OSI Network model | Open Systems Interconnection model

What is OSI model?  OSI (Open System Interconnection) model for networking is a seven layers model which is defines by international standard Organization. The goal of ISO is to enhance the inter-operability and functionality between different application venders and also make easier for IT professionals to focus on layers while designing the network.OSI model is … Read more OSI Network model | Open Systems Interconnection model