Answer:
Option (1) the is correct answer for the above question.
Explanation:
"DDos" stands for distributed denial-of-service. It is a type of attack which affects the network route. It disturbs the normal route like a traffic Jam. It operators from some hosts point and act after getting access to the system in an unauthorized way.
It attacks to disturb the service provided by the other system. It authorized the hosts' system and entered into the system to get disturb the routine of the system.