Hit chapter 4

Hubs

Older device that does not read any data passing through them 

Switch

Device that connects network segments together, identifies specific devices 

 Core switches

carry traffic between switches 

Workgroup switches

connect directly to each network device or group of devices 

Mac

Hardware address, Used to identify each device, Switches learn, memorize and recognize MAC addresses, this increases speed and security 

Router

Read destination address, send packet, Can filter out specific types of network traffic based on lP addresses 

Print services 

– Allow multiple users to share printers across a network

File services 

Allow users to share files from a central location

Application services 

Processes that run software for network client 

Communication services 

Manage E-mail, telephony, and instant messaging 

what is a Layer 4-7 router 

Used to evenly distribute work across a network 

Modem

Device that changes analog (radio/telephone), signal to a digital (computer) signal 

Router

Read destination address, send packet, Can filter out specific types of network traffic based on lP addresses 

Wireless access point (AP)

Receives all wireless signals, Serves as a bridge between a wired and a wireless network