1.4 Hubs, Routers and Switches Flashcards
What is a WAP?
Wireless access point
What Is A Router?
A device used on networks to connect devices together.
What Do Routers Do?
They contain a routing table which has a list of IP addresses and common routes for packages to take.
It will apply a sub net mask to identify a network and determine which network the packet should be forwarded to. They allow packets to be exchanged.
The router determines which host to send the packet to.
What Is A Hub?
The central part of a network used to transfer data.
What Do Hubs Do?
Lowers bandwidth because it sends the information to everything on the network. Others can see what you are doing. There is more data collisions.
What Is A Switch?
A computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device.
What Does A Switch DO?
A data collision occurs when two or more computers send a packet the same time. A switch is a device that connects devices together and helps solve data collisions. As a packet arrives at the switch its destination is examined and it makes a direct connection to that device.
What Does NIC Stand For?
Network Interface Card.
What Does A NIC Do?
A network interface card allows computers to connect to a wired network. It allows packets to travel to and from a computer. It contains a mac address which is physical hardware. It allows the use of a Ethernet cable.
What Is A Data Packet?
When data is sent across the internet it is broken down into packets, these contain the IP address where it came from where its going and the order it is built in.
