Answer: PKI certificates
Explanation: PKI is known as the public key infrastructure which is commonly used for the encryption of the data and also for the data signing. They have the ability to assign the keys pair.
PKI certificates are in the form of strings of alpha-numeric running for a mathematical functions. They use the third party protocols for the execution and they are widely accepted by the authoritative identity.
The answer to your question is D
Answer:
The answer is "14".
Explanation:
Let the IP address
When it borrowed 4 bits


If the borrowed bits are left out then:
The Number of useable host addresses:
No, not really cuz I think that would be too personal for the president.