You use the extension on the end of the file to tell you the type of a file
The extension is the .whatever in the name of the file
Answer:
Computer is an example of electronic device.
Answer: Most obvious spam messages will still reach the client computer
Explanation:
It should be noted that by default, usually the junk email filter is already set to No Automatic Filtering.
When a user configures No Automatic Filtering in Junk Mail Options, it should be noted that most obvious spam messages will still reach the client computer.
Therefore, the correct option is D.
