Communications between computers can take several approaches. Which .pdf

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Fiber optic cables are the most secure way for computers to communicate according to the document. While public telephone networks and wireless transmission via microwave or satellite are not secure, fiber optic cables are relatively safer due to their design. Direct wiring of lines between computers and workstations provides security but fiber optic cables are more secure.

Education

Communications between computers can take several approaches. Which of the following
approaches is most secure?
Public telephone network
Fiber optic cables
Direct wiring of lines between the computer and the user workstation
Microwave transmission or satellites
Solution
b. Fiber optic cables
Due to their design, fiber optic cables are relatively safer and more secure than other types of
computer links. A dial-up connection through a public telephone network is not secure unless a
dial-back control is established.

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