Answer:
The answer is "Option a, and c".
Explanation:
Following are the description of the Digital Signature choices:
- To change the physical transportation of paper or link files in the computerized messaging system, some processes should be identified and utilized in digital signatures, which enables documentation to be validated unforgivably.
- Using public-key cryptography, digital signatures, that's an exquisite system, that's why options a and b are correct.
- Digital signatures are not a central authority, that's why the option B is wrong.
In science fiction, a force field is a defensive barrier made up of energy. They are used to protect, people, an area, animals, etc from an attack or a destructive impact.
Manual power
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