What is a denial of service attack?
A)It is an attack when the perpetrator is inserting malicious query in input such that it is passed to and executed by an application program.
B)It is an attack when the perpetrator is inputting so much data that the input buffer overflows.The overflow contains code that takes control of the company's computer.
C)It is an attack when the perpetrator uses software to guess company's addresses,send employees blank e-mails,and add unreturned messages to spammer e-mail list.
D)It is an attacked when the perpetrator sends hundreds of messages from randomly generated false addresses,overloading an Internet service provider's e-mail server.

Question

Quizplus · Accepted Answer

A denial of service attack is when a perpetrator attempts to make a website, server, or network unavailable to users by overwhelming it with traffic from multiple sources or by sending messages that crash the system. Sending hundreds of messages from randomly generated false addresses to overload an Internet service provider's e-mail server is an example of a denial of service attack. Choices A, B, and C describe other types of attacks (SQL injection, buffer overflow, and email spamming).

What Is a Denial of Service Attack