Digital Certificate is the correct answer of this question.
Explanation:
Digital certificates are always for encryption and identification for transmitting public keys.The concept of digital certificate is a data structure used for linking an authenticated person to a public key. It is used to cryptographically attach public key rights to the organization that controls it.
<u>For example</u>:- Verisign, Entrust, etc.
An appendix to an electronic document that is used for authentication purposes.
A digital certificate's most frequent use is to confirm that an user sending a message is who he or she appears to be, and provide the recipient with the means to encode a response.
- - - Ineffective and barriers to communication are problems that make communication unclear. Workplace communication is at work or at a job. This is not a job newsletter for workers, but for people at home.
