Answer:
C) until the message has been communicated

Convert
0.625 to binary

Translate 0.625 into a fraction. We all know that 0.5 is ½. We know that the remainder, 0.125, is ⅛. Add them together, and you get ½ + ⅛ = ⅝.
Now, in binary, the positions to the right of the point are , which is ½, ¼, and ⅛ respectively.
⅝ is 5 × ⅛. 5 in binary is 101. So, ⅝ is
= 0.101
Answer:
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.
Router? Modem? I have no ideas outside of those.