The ____ control should be used to validate that a phone number was entered using the correct format.

Setting a system restore point should be done ________

A) only after you have determined that you no longer need any of the files that you have deleted B) when you need to free up hard drive space C) prior to installing new hardware or software D) when your computer has run out of RAM or ROM

HTTP, .edu, and www are all examples of high-level domain names

Indicate whether the statement is true or false