Question

what do you understand by secure data transmission​

Answer 1

In computer science, secure transmission refers to the transfer of data such as confidential or proprietary information over a secure channel. Many secure transmission methods require a type of encryption. The most common email encryption is called PKI. In order to open the encrypted file an exchange of keys is done.

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Answer 2

Secure data transmission means that data/information is not being received or modified by an unauthorized person, over a network, from source to destination.