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Which of the following is a true statement about the use of public-key encryption in transmitting messages?
a. Public key encryption enables parties to initiate secure communications through an open medium, such as the Internet, in which there might be eavesdroppers.
b. Public key encryption uses a single key that should be kept secure because it is used for both encryption and decryption.
c. Public key encryption only allows the encryption of documents containing text; documents containing audio and video must use a different encryption method.
d. Public key encryption is not considered a secure method of communication because a public key can be intercepted.

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Answer and Explanation:

The answer is A.

This is because there are two keys (one public and private), the public one being the encoding while the private one is the decoder.

I also got it right on the test.

Public key encryption used in transmitting massage as it enables parties to initiate secure communications by an open medium, like Internet, to avoid risk of eavesdroppers.

What is public-key encryption in transmitting messages?

Public-key encryption is the asymmetric encryption, used to solve the problem related to shared key risk and distribution key.

In the public key encryption, one key is used to encrypt the data, and other key is used to decrypt the data.

While transmitting the messages over the internet or severe, the risk of data privacy is more. To reduce this risk, the public-key encryption are used.

Public key encryption used in transmitting massage as it enables parties to initiate secure communications by an open medium, like Internet, in which there might be eavesdroppers.

Option A is the correct option.

Learn more about the public-key encryption here;

https://brainly.com/question/17486027