Routers , Switches and Firewals plays an important role in network Infrastructure. Any Non commercial device can be risk to business data and resources and stability of network.
Router Role:
It controls all the networking of the office by providing IP addresses , routing of Packets , refreshes the DHCP leases and much more
Network Switch role:
Switches connect multiple devices (computers, printers, servers) on the same network within a building or campus
Depending upon the number of internet wall ports and devices , can decide how many port switch you need.
Commonly used: 5 Port switch, 8 Port switch 16 port , 24 port , 48 Port
Various switch types:
- Gigabit and non gigabit switch
- Managed and unmanaged switch
- POE and Non-POE switch
Firewall Role:
Firewalls can help secure a network from both internal and external dangers. It helps to control many activities and minimizes the threats and viruses to enter the network
Antivirus installed on computers do the same job but can protect only device on which it is installed where as Firewalls helps to protect whole network.