Performing a DNS Lookup with Dig Results in This Response

question 39

Multiple Choice

Performing a DNS lookup with dig results in this response:

• A) There is no . after linuserv.example.net in the PTR record in the forward lookup zone file There is no . after linuserv.example.net in the PTR record in the forward lookup zone file
• B) There is no . after linuserv in the PTR record in the forward lookup zone file . after linuserv
• C) There is no . after linuserv.example.net in the PTR record in the reverse lookup zone file in the PTR record in the reverse lookup zone file
• D) The . in the NS definition in the reverse lookup zone has to be removed The . in the NS definition in the reverse lookup zone has to be removed

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Definitions:

OSHA

The Occupational Safety and Health Administration is an agency of the U.S. government tasked with maintaining safe and healthy conditions in workplaces.

Two-tail Test

A statistical hypothesis test in which the critical area of a distribution is two-sided and tests whether a sample is greater or less than a range of values.

Sample Variances

Statistical measurements that quantify the dispersion or spread of data points within a sample from their mean.

F Test

A statistical test used to compare the variances of two populations and determine if they are significantly different from each other.