Question

what type of cables are most commonly used for carrying internet data across oceans?
o a copper wires
o b fiber - optic cables that use light signals
o c plastic insulated wires
o d steel cables
question 11 (5 points)
what does it mean when data, like a photo or message, is sent over the internet in small packets?
o a the photo is copied many times and sent in full through different routes
o b the photo is split into smaller chunks, each with information about where to go, and reassembled at the
o c the photo is printed out and scanned into another computer
o d the photo is stored in satellites until the whole image is ready
question 12 (5 points)
how are submarine internet cables usually laid under the ocean?
o a attached to buoys that float on the surface
o b laid on or buried under the seabed by special cable - laying ships
o c dropped randomly into the water by helicopters
o d placed inside oil pipelines
question 13 (5 points)
which technology uses radio waves to connect devices wirelessly to the internet?
o a submarine cables
o b the cloud
o c fiber - optic cables
o d wifi and cellular networks

Explanation:

For the first question, fiber - optic cables are used for long - distance data transmission across oceans due to their high bandwidth and low signal loss. For the second question, data sent in small packets means it's divided into chunks with routing information for reassembly. For the third question, submarine internet cables are laid on or buried under the seabed by cable - laying ships. For the fourth question, Wi - Fi and cellular networks use radio waves for wireless internet connection.

Answer:

Question 1: B. Fiber - optic cables that use light signals
Question 2: B. The photo is split into smaller chunks, each with information about where to go, and reassembled at the destination
Question 3: B. Laid on or buried under the seabed by special cable - laying ships
Question 4: D. Wi - Fi and cellular networks