A Technician Has Completed the Installation and Configuration of a Third

question 658

Multiple Choice

A technician has completed the installation and configuration of a third email server. The technician has configured the firewall to permit email traffic, but the mail is only being received by the two older servers. Which of the following should the technician configure to ensure incoming email will be processed by all three servers?

• A) Enable NTP to ensure all three servers are synchronized.
• B) Configure IMAP on the new mail server.
• C) Add the DNS server option in DHCP.
• D) Update the MX record in DNS.

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Definitions:

Margin of Error

An expression of the extent to which a sample statistic may differ from the true population parameter; it quantifies uncertainty in estimation.

Z Value

A measure in statistics that represents the number of standard deviations a data point is from the mean.

Confidence Interval

A range of values used in statistics that estimates where a true parameter value for a given population lies with a certain level of confidence.

Sample Standard Deviation

A measure of the dispersion or variation in a set of sample data, representing how much individual data points differ from the sample mean.