Answer:
Authentication
Explanation:
Authentication allows for the verification of a message's origin, and integrity provides proof that a message's contents have not changed since it was sent. Additionally, non-repudiation ensures that a message sender cannot deny sending the message.
Answer:
When you shut down your PC, all your open programs close and the PC shuts down your operating system. but In sleep mode, the PC enters a low-power state. The PC's state is kept in memory, but other parts of the PC are shut down and won't use any power.
Explanation:
It's to predict the behavior.
