A New Version of the Primary Operating System Used by a Company

question 525

Multiple Choice

A new version of the primary operating system used by a company has been released. Due to some significant changes in the OS, a system administrator wants to see which remotely accessible services are enabled by default to assess the security risk prior to upgrading to the new version. Which of the following utilities should the administrator use?

• A) Cipher program
• B) Port scanner
• C) Telnet client
• D) Packet sniffer

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Definitions:

Total Sum of Squares

A statistical measure representing the total variation or spread of a dataset from its mean, used in various statistical models to assess the explanatory power of predictors.

Coefficient of Determination

A statistical measure that represents the proportion of the variance for a dependent variable that's explained by one or more independent variables in a regression model.

SST

An abbreviation that can refer to several concepts depending on context, such as Sum of Squares Total in statistics, which measures the total variation in a dataset.

SSE

Sum of Squared Errors, a measure of the discrepancy between data points and a model's predictions, used in regression analysis.