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WorksheetsNext at Ciena, HOW THE INTERNET TRAVELS
Total questions: 10
Worksheet time: 3mins
New York Times wrote "People think that data is in the cloud". The reality is ...
Data goes via satellites...
Data is in the ocean...
It's February 15th 2023
Data is all wireless...
When was the first transatlantic submarine fiber optic used?
1952
1898
1988
2013
Connection over submarine fiber optic cables is faster than via satellites .
True
False
Why is fiber optics so fast?
Because fiber optic carries electricity
Because it takes a shorter route on the ocean floor
Because the fiber is never tired
Because fiber optic carries pulses of light
What percentage of international data is transmitted by submarine cables?
90%
72%
Over 99%
5%
What is the longest submarine cable in the world?
Baltic Sea Submarine Cable
Alasia
SEA -ME - WE3
FLAG Europe - Asia FLEA
Submarines cables are laid down by special boats called cable-layers
False
True
How many times can all submarine cables circle the Earth?
-1.4 million kms of cable
-40 000 kms around the world
22 times
35 times
20 times
5 times
What is the greatest risk for submarine fiber optic cables?
sharks
waves
scuba divers
octopuses
Did you learn something about fiber optics today?
Yes a lot!
Already knew some of this!
So this is what Ciena does!
First time seeing this!
