They would probably think that you sent the email to the wrong person and then delete it.
The thing that Katsumi should do in this situation is to option A in the image attached.
<h3>Why choose option A?</h3>
Note that Design documentation is said to be a composition of documents and resources that is said to cover all areas of one's product design.
Option A is correct because in the above scenario, it is usually mostly inconclusive and as such, Katsumi should do nothing.
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How do you know your information is valid?
Answer:
Network administrator use the open system interconnection model to isolate the network problem as, the network administrator can easily find the problem in the system.
Network administrator regularly depicts issues by the layer number and in many cases the network problem required the network administrator to isolate the issue in which layer the maximum number of issue occurred.
By using the OSI layer, we can easily add protocols to its higher to lower layers without any type of interruption.