The answer is pavement markings. Hope I helped! :)
Could be all of the above. But for school i'd assume only a suspension.
I think select the video insert select the movie option under illustrations resize the video player then select the insert tab i’m not 100 percent sure tho
The answers to your questions are,
1. Fiber Optic
2. Network Interface Card
3. The main wire that acts as the backbone is old, and the protective cover is fraying.
4. Security.
5. The system acting as the hub has soda spilled on it.
6. Radio transmissions
7. Wireless
8. Inexpensive software
9. Firewall
-Mabel <3
(Sorry if I got any incorrect! <3)
