Answer:
The correct answer is option A. "True".
Explanation:
Key management could either be manual or automated. The automated key distribution approach is more flexible and dynamic than the manual key distribution approach, because it is better at responding to changing requirements in the system. Additionally, the automated key distribution approach is faster and more economic as well as observable and auditable.
<span>It is false that live preview is available on a touch screen. Life preview refers to cameras mostly, and to the fact that its display screen can be used as a viewfinder. Viewfinder is what you look through when you are using a camera to take a photo, or to focus on something. So, no, touch screen devices do not have this feature available, only the "old-school" cameras do.</span>
