Computer Networking
Which of the following is an advantage to using fiber optics data transmission?

low noise level
resistance to data theft
few transmission errors
fast data transmission rate
All of these

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Computer Networking
The packets switching concept was first proposed

All of these
None of these
in the late 1950s for Defense Ministry of US
in the early 1960s for military communication systems, mainly to handle speech
in the late 1980s for the Defense Ministry of US.

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