Trong excel 2016 , để ẩn cột trang tính hiện hình ta thực hiẹn lẹnh nào trong hẻ home-format-hide và unhide

solution:

this situation is called an ip conflict.

data from a server is sent in small bits called packets. in an ip conflict, some packets will end up in one computer while some other packets will end up in another computer.

so…overall none of the computers get the data as the original message or picture being sent by the server cannot be retrieved with only half the packets. so it will show up as an error.

thus the final answer is d.

the answer is c . farah has completed a post-secondary education program and is now ready to begin working, without additional training, on her first day.