When working in exel online what needs to be the first character in a cell if you are creating a formula

"=" must be the first character when you are making a formula in excel

Explanation:

Whenever you are working in excel the first character must be "=" when you are creating a formula.

For example if you wants to add value in column A1 and B1 then formula will be =A1+B1

You can set a default value of "=" by select the entire column for which you want to set a default value, and press "Ctrl-V", or select "Paste" from the "Edit" menu. This will apply the formula to each cell in the column. hence by writing a formula for a single column you can paste it in an entire column.

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.

answer///radio frequency interference (rfi);