What Is a Denial of Service Attack

question 62

Multiple Choice

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.

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Definitions:

Complex Fraction

A complex fraction is a fraction in which the numerator, the denominator, or both contain fractions themselves.

Simplify

The process of altering an expression to make it easier to work with, often by combining like terms or using mathematical properties.

Division

A mathematical operation represented by the symbol ÷ or /, involving the process of dividing one number by another.