Which of the following is considered to be a distributed denial of service attack because it comes from numerous sources?a.Smurf Solution The Distributed denial of service (DDOS) is an attack where the attacker repeatedly pings the server from different computers/servers to restrict the server from handling the requests of the legitimate users. This way all the requests of the authorized users will get be declined. The SYN flood attack and the death ping send multiple requests to the server from a single source and the sequence prediction attack is used to analyze the traffic to identify the data packets. The smurf attack uses a broadcast network to send multiple requests to the server from different sources. Hence, the correct options is a. Smurf..