Multiple choice technology what is POP3? Post Office Protocol 3 Post Office Protocol Version 3 Point Office Protocol Point Office Protocol 3 Reveal answer Fill a bubble to check yourself B Correct answer Explanation POP3 is the standard protocol for retrieving email from a remote server. The correct expansion is Post Office Protocol version 3, which is option B. Option A omits 'version', and options C and D incorrectly use 'Point' instead of 'Post'.