Answer: There are several methods that are used for maintenance of safety and defensing the network against any type of hacking or attacking.Some of the methods are mentioned as follows:-
- Denial of service attack(Dos)-it is the type of service that does not let the unauthorized sources and users to use the resources of the service.
- Intrusion detection system(IDS)-it is the system that is used for the detection of any unauthorized access happening in the system.It detects the accessing on the basis of host and network
- Firewall-is the system for the security of network for controlling the traffic that enters and exits a networks and maintains barriers by blocking untrusted traffic.
