A Technician Wants to Keep a Router Up to Date

question 275

Multiple Choice

A technician wants to keep a router up to date. Which of the following MUST be updated regularly?

• A) SSID
• B) Administrator password
• C) Wireless encryption
• D) Firmware

---

Definitions:

Least Squares Regression Line

A straight line that best fits the data according to the method of least squares, minimizing the sum of the squares of the differences between observed and predicted values.

Actual Value

The true value of a parameter or measurement, often unknown in practice and estimated from data.

Sum of Squares for Regression

A measure in statistical analysis that quantifies the variation in a dependent variable explained by one or more independent variables.

SSR

Sum of Squares due to Regression, a measure used in statistical analysis to determine the variance explained by a linear regression model.