A Server Administrator Suspects That an Unauthorized Email Relay Agent

question 477

Multiple Choice

A server administrator suspects that an unauthorized email relay agent is running on a web server. The web server has a hostname of web1.example.com and an IP address of 199.90.89.51. Which of the following commands should the server administrator execute to verify these suspicions?

• A) telnet web1.example.com 25
• B) telnet web1.example.com 23
• C) telnet 199.90.89.51
• D) telnet 199.90.89.51 80

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Definitions:

Statistical Evidence

Information derived from statistical procedures that is used to support or refute an assertion, hypothesis, or claim.

Persuasive Impact

The effect of communication or argumentation in convincing or influencing others to change their beliefs, attitudes, or behaviors.

Dependent Variable

In an experimental study, it is the variable being tested and measured, expected to change as a result of manipulations to the independent variable.

Independent Variable

A variable in an experiment that is manipulated or changed by the researcher to study its effects on the dependent variable.