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Advantages and Disadvantages of Opening Ports Using DMZ
Last Updated: 23 July 2025
A DMZ (Demilitarized zone) is a network configuration that allows a specific device on the network to be directly accessible from the internet, while the rest of the devic...
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Benefits of a Hierarchical Network in Cisco
Last Updated: 23 July 2025
Hierarchical network architecture, first put forth by Cisco in 2002, has now spread throughout the industry as a recommended practice for creating dependable, scalable, an...
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Network Functions Virtualization
Last Updated: 10 February 2026
Network Functions Virtualization (NFV) is a technology that virtualizes traditional network functions, like routing, load balancing, and firewalls, so they run as software...
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Process of Using CLI via a Telnet Session
Last Updated: 23 July 2025
TELNET stands for Teletype Network. It is a type of protocol that enables one computer to connect to a local computer. It is a used as a standard TCP/IP protocol for virtu...
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Hierarchical Network Design
Last Updated: 23 July 2025
Network Designing is a process of placing the network devices (currently in use or to be used in the future) in such a manner that it follows all the Structured Engineerin...
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Three-Layer Hierarchical Model in Cisco
Last Updated: 23 July 2025
In a three-layer hierarchical model for Cisco routers, The first layer is the local area network (LAN) that uses IEEE 802.3 Ethernet technology to connect devices on the s...
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What is Logical Network ?
Last Updated: 31 May 2022
A logical network is a model of the connection between entities in which each entity is defined by a node, and the links between nodes represent the connections. The goal ...
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