Question

There are ___________ major ways of spamming.

(a) 4

(b) 2

(c) 3

(d) 5

I have been asked this question in final exam.

The origin of the question is Attack Vectors in portion Understanding Attack Vectors of Cyber Security

Answer 1

The correct answer is (b) 2

The best explanation: There are two major ways of spamming. First, by Usenet spam, where a single message is sent to more than 50 recipients or more Usenet newsgroup, which has become old form of attack. The second one is by email-spam which target individual users and tools are used to send spams directly to them.