Here are the answers to your questions:
Question 9:
___________ are made of tiny glass tubes that allow information to be sent to and from data centers using light waves.
Response: Fiber Optic Cables
Question 10:
Every device on the internet is assigned a number as an address.
Response: True
Question 11:
What does URL stand for?
Response: Uniform Resource Locator
Question 12:
Every device connected to the internet is assigned a number called a(n) ____________ so data knows where to go.
Response: IP Address