Which of the following uses ICMPv6 type 133 messages?

An administrator receives a call from a user reporting that one of the application servers is not accessible by host name but is accessible via an IP address. Which of the following is the MOST likely issue?

A. The DNS reverse lookup zone is misconfigured. B. The DNS MX record type is misconfigured. C. The DNS resource record is missing. D. The DNS forward lookup zone is missing.

Proper measurement relies on the availability of meaningful standard ____.

A. controls B. measures C. processes D. interventions