The Basic Parts of a Network
Core building blocks
Network components
A network usually includes endpoints, switches, routers, cables or wireless links, and sometimes servers and firewalls. Each part has a job that helps data move safely and efficiently.
Important terms
Think of a network like a road system
Devices are like buildings, switches are local roads, and routers are like intersections that connect different neighborhoods or cities.
Switch vs Router
Switch
- Works inside one local network
- Forwards data to the correct device using addresses
Router
- Connects multiple networks
- Chooses paths between networks
Which device usually connects one network to another?
A router connects different networks and helps direct traffic between them.
Correct answer: Router
What is the role of an endpoint?
An endpoint is a device that sends or receives data in a network.
Correct answer: It provides a final destination for data
Servers and clients
A client is a device or app that asks for something, such as a webpage. A server is a system that provides something, such as that webpage or a file.
What is one common job of a server?
Servers provide services such as files, web pages, email, or applications.
Correct answer: provide services