Networks and Topologies Flashcards
What is LAN?
LAN is local Area Network which is used to connect devices in a single building or location.
What is WAN?
WAN is Wide Area Network, which is used to connect devices over a large geographical area.
What are the factors that affect the performance of a network?
Number of Users on the network
Bandwidth of the transmission medium
Network Latency
What is Bandwidth?
Bandwidth is the maximum rate of data transfer across a given path.
What is Network Latency?
Network latency, sometimes called lag, is the term used to describe delays in communication over a network
What is a client-server network?
It is where the clients access resources and services from a central computer.
What is a peer-to-peer network?
In peer-to-peer, all devices are equal and data can be shared directly between them.
What is a HUB?
A hub broadcasts data to every computer connected to it, or connected by ethernet.
What is a WAP?
A WAP is a Wireless Access Point, which allows devices to connect to the Wi-Fi wirelessly.
What is a switch?
A switch connects a device to a LAN. Data gets sent through the switch in order to reach it’s final destination.
What is a router?
Routers transmit data between two different networks.
What is a NIC?
It is a network interface controller with allows a device to connect to the internet.
What is a DNS?
A Domain Name System is used to identify reachable computer through the internet or another internet protocol.
What is Hosting?
Hosting is when a business uses its servers to store files of another organisation.
What is the Cloud?
The cloud uses the internet to store files and applications.
