Next at Ciena, HOW THE INTERNET TRAVELS

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!