<span>If a attachment is not reliable to open, terrible effects can happen, peradventure it may have a virus or even malware that can destroy a computers software.
To avoid this and stay on the safe side, try the following:-
- Open it in protected view
- Do not save the attachment on your computer
- Look at the author and read the message carefully to make sure it is not biased.
- Open it on a flash-drive </span>
#1 is A and #2 is B, but I don't know about #3 and #4.
A device connected to the internet is known as a Node.
