What are the ways to remember the seven layers of the OSI model?
You can memorize this sentence "All People Seem To Need Data Processing". Use the first letter of every word in the above sentence. Application layer, Presentation Layer, Session Layer, Transport Layer, Network Layer, Data link layer, Physical layer. Easy to hard code into your head.
What do you mean by Information Technology?
Information technology (IT) is the application of computers to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise. IT is considered a subset of information and communications technology (ICT).
What is the minimal certification that is required to begin a career track in computer networks?
The Cisco Certified Network Associate (CCNA) is the basic requirement. The certification equips you with the minimal skills to install, configure and troubleshoot computer networks.