Here are the answers to the questions based on the provided scenarios:
**Question 7:**
A) Terra connects to the internet using the phone line. The method she uses is:
- **DSL**
**Question 8:**
A) Carey connects to the internet using flexible strands of glass to transmit data in the form of light. The method he uses is:
- **fiber optic**
**Question 9:**
A) Elena needs a device to translate the signal from the cables into a digital form that her computer can understand. She needs:
- **modem**
**Question 10:**
A) Ruby needs to connect multiple devices to her Wi-Fi. To ensure that all of her devices have access to the internet, she needs:
- **router**