7 layers OSI model is a short name for the Open Systems Interconnection (OSI) reference model for networking. This theoretical model explains how networks behave within an orderly, seven-layered...
This article starts with the types of optical fiber, but also address the loss factors and the fiber filter technology.
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Root is the base of a hierarchical file system. It can also be the UNIX superuser or the CERN Data Analysis Framework, and more. Just read the article.
Layer 2 Tunneling Protocol is an Internet Engineering Task Force (IETF) standard tunneling protocol that is used to encapsulate Point-to-Point Protocol (PPP) frames for transmission over TCP/IP.
This article describes Layer 2 Switch, a form of Ethernet switch. How it operates and when to use it.