2) what components are required in a requirement document

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.

Ais a picture icon that is a direct link to a file or folder