i think its b sorry if wrong
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.
Answer:
How can line formatting be accomplished?
To format line spacing:
Select the text you want to format. Selecting text to format.
On the Home tab, click the Line and Paragraph Spacing command. A drop-down menu will appear.
Move the mouse over the various options. A live preview of the line spacing will appear in the document. Select the line spacing you want to use.
The line spacing will change in the document.
