​A(n) ________________ Takes Place When an Unauthorized Person Gains Access

question 79

Multiple Choice

​A(n) ________________ takes place when an unauthorized person gains access to a digital device by using an Internet connection and exploiting vulnerabilities in hardware or software.

• A) ​address spoofing
• B) ​online intrusion
• C) ​brute force attack
• D) ​zero-day attack

---

Definitions:

Null Hypothesis

A statement in statistical inference that proposes there is no significant difference or effect, serving as the basis for testing.

Expected Value

The predicted value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence.

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution, often affecting the outcome of statistical tests.

Alpha Level

A threshold set in statistical hypothesis testing, below which a null hypothesis is rejected, often set at 0.05.