Network Devices

Basic Network devices which are used to build a network.

Cisco switch
          
     Provides centralized location to connect devices with in the LAN.

RJ45 cable

LAN Network

Cisco switch

     
Wireless access point
      - Provides centralised location to connect devices with in the LAN.
      - Without wire ( using RF signals)

Wireless access point

 

Wireless LAN controller (WLC)
   - Provides centralosed management of all acess points in the networks.
   - Make it easier to manage large wireless scale deployments.
   - Examples: Airports, shopping malls, Stores.

Cisco Router

           Device connecting two or more LAN.

Cisco Firewall

    - Protects a network from unauthorised access from outside.

    - Controls incoming and outgoing network traffic based on a set of rules.

Cisco ASA firewall

VoIP phones / Voice devices

    - A VoIP phone uses Voice over IP for placing and transmitting telephone calls over an IP network, such as the internet, instead of the traditional public switched telephone network(PSTN).

Home internet devices

   - Inbuilt switch, router, wireless AP

   - Applicable for small home/office networks

Home router