B
Explanation:
The Alter command is used when we want to modify a database or object contain in database.
Answer:
1. do not give out your age
2. don't use your real name unless you are supervised
3.dont put all your information out there
I have been running into the same problem, they haven't said anything but that might be the case.
Answer:
DOMAIN
Explanation:
A utility that provides names to each computer on a network is called a DOMAIN naming service.