E – Commerce MCQs
16. Question
EDI use
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17. Question
By Electronic Commerce we mean:
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18. Question
Certification of Digital signature by an independent authority is needed because
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19. Question
In public key encryption if A wants to send an encrypted message
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20. Question
The following ciphertext was received. The plaintext was permuted using permutation (34152) and substitution. Substitute character by character +3 (A →D, etc). The plain text after decryption is: Cipher text : PDLJDLXHVQC
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