This vector function returns the number of elements in a vector.

The ________ status of a website indicates that the company running the website has a certificate to prove that they own the site

A) encrypted B) authenticated C) phishing D) verified

Out of all the issues, this is a difficult one to diagnose and could be very time-consuming to troubleshoot. To typical users, this will appear like a sporadic connectivity issue to them as they can connect to certain services but some they cannot. Without a good knowledge of TCP/UDP ports and what services they represent, it can even stump some network administrators. This is describing what?

What will be an ideal response?