Normally you can't. You cannot tell if water has been frozen and then thawed.
Remember Ohm's law

. Plugging in the information gives you

amperes of current.
Answer:
The title of RFC 4890 is "Recommendations for Filtering ICMPv6 Messages in Firewalls" and it was published in 2007.
Explanation:
RFC 4890 is the memo that was published in 2007. This document is about the recommendations of filtering messages that are harmful and having security risk for Internet Control Message Protocol ICMP version 6.
In this document different types of risk associated ICMPv6 protocol while forwarding messages. This memo recommends filtering techniques to drop the harmful messages and make the communication secure.
Answer:
attenuation
Explanation:
Based on the information provided within the question it can be said that the phenomenon that is being described in this scenario is known as attenuation. In the context of physics, this refers to the gradual loss of intensity of something when traveling through a medium. Which in this case would be the data signals travelling through the cables.
Answer:
Mediator
Explanation:
A mediator is a person that tries to reserve peace within groups, and they often try to prevent conflict.