local area network

local area network

1. switches

   • Each switch is designed with ports for network connections, with the number of ports based on the size of the switch.
   • switches run 24 hours a day, 7 days a week.
   • switches are used to interconnect the hardware cabling throughout the LAN and permit the flow of data
   • advantages
     • They increase the performance of the network.
   • disadvantages
     • They are more expensive compare to network bridges.

2. Servers

   • Like switches, servers operate 24 hours a day, 7 days a week to meet the demands of the workplace
   • Servers are enterprise class computers providing the workplace with services ranging from messaging, virus protection, applications and collaboration tools.
   • disadvantages
     • Traffic congestion has always been a problem
   • advantages
     • You can increase the capacity of clients and servers separately

3. routers

   • it provides connection between different network architectures such as ethernet
   • The router allows the computers to communicate with the devices in the other networks , It can connect multiple users to the Internet

4. Wireless Access Points

   • This hardware device uses antennas to send out radio waves to computers.
   • To provide greater flexibility and reduce cabling requirements, wireless access points can be introduced into the LAN.
   • Conference rooms and open-space areas like cafeterias are popular installation points. The access point connects to a LAN switch to extend network services.
   • advantages
     • wireless aces points are able to allow over 50 or even hundreds users to connect
   • disadvantages
     • they cost a lot of money.

5. Networks

   • WPAN
     • connection methods
       • bluetooth
     • definition
       • Wireless Personal Access Point
     • advantages
       • low power consumption
       • low cost
   • WAN