Discussion
Which DNS resource record is used to provide the ability to associate arbitrary text with a host name ?
Answer: C
The resource record is TXT.
A TXT record associates arbitrary text with a domain name. It is widely used for machine-readable information as well, such as SPF records that list a domain's permitted mail servers and verification strings for web services.
An A record maps a host name to an IPv4 address. 'MCX' is not a record type (the mail record is MX), and 'Text' is not the name of the record type, which is written TXT.
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