Select the special character below that can't be used within a username:
A) !
B) #
C) .
D) ?

Question

Select the special character below that can't be used within a username:​
A) ​!
B) ​#
C) ​.
D) ​?

Quizplus · Accepted Answer

Special characters like "!" (A), "#" (B), and "." (C) are often allowed in usernames across various platforms. However, "?" (D) is typically not permitted because it is a reserved character in many programming and query languages, potentially causing issues in URLs, command lines, or scripts where usernames might be used.

Select the Special Character Below That Can't Be Used Within