Answer to Question 1
Answer: TRUE
Explanation: Computer-based instant messaging (IM), in which users' messages appear on each other's screens instantly, is used extensively for internal and external communication. IM is available in both stand-alone systems and as a function embedded in online meeting systems, collaboration systems, social networks, and other platforms.
Answer to Question 2
Answer: E
Explanation: E) Unless a meeting is scheduled or you're expected to be available for other reasons, make yourself unavailable when you need to focus on other work.