NETWORKING INTRODUCTION

Types of Networking devices :


1)HUB   2)Bridge   3)Switch


4)Router   5)Firewall    6)IPS    7)IDS

1)HUB

D-Link 7 port USB 2.0 HUB

Explanation :
  

• Hub is a layer 1 device 
• Hub is a dumbo device. 
• Hub has only one collision domain 

2)Bridge

• A Bridge is a layer2 device

3) Switch

CISCO SF200 48P smart switch

Explanation:

• Switch is a layer 2 device.
• There are two types of switches. a) Manageable b) Non manageable
• Manageable switches are easy to configure(we can add add components to the device)
• Non manageable switches are like plug and work (ex: Dlink, netgear, tplink)
• * In manageable switch there is a layer 3 switch which will work both as router and switch (smart switch).

4) ROUTER
(click the link for explanation)