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Question

Remote dial up connections into a site can be made secure by ______.

A
Modern equalization
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B
A call back procedure
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C
Error correcting code
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D
Frequent access code revalidation
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Solution

The correct option is A A call back procedure

Remote dial up connections into a site can be made secure by a call back procedure.

Remote access is the ability to communicate with a computer or network that is located some distance away over a dial-up connection. Remote access was the term originally used to describe connecting users to the Internet using a dial-up connection over traditional POTS or ISDN telephone lines.

In computer programming, a callback is a function, procedure, or method, which is passed as an argument to another function.



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