If you visit a website and your browser notifies you that the certificate can't be verified, usually the cause of this is that . (1 point)
the certificate is expired
the certificate doesn't exist
there is no encryption on the website
the certificate server is unreachable

Sarah is having a hard time finding a template for her advertising business that she may be able to use at a later date and also make it available to her colleagues

Install and use wireshark program ( send back screen shots and other vital information) case project 3-2: decode a tcp segment in a wireshark capture in this chapter, you walked through tcp segment to interpret the data included in its header. in this project, you use wireshark to capture your own http messafes, examine the tcp headers, and practice interpreting the data you'll find there. 1. open wireshark and snap the window to one side of your screen. open a browser and snap that window to the other side of your screen so you can see both windows.

Why do we mark tlc plates with pencil and not with pen