E – Commerce MCQs
56. Question
The bank has to have the public keys of all customers in SET protocol as it has to
Answer
57. Question
A digital signature is required
(i) to tie an electronic message to the sender’s identity
(ii)for non repudiation of communication by a sender
(iii) to prove that a message was sent by the sender in a court of law
(iv) in all e-mail transactions
Answer
58. Question
Encryption is required to
(i) protect business information from eavesdropping when it is transmitted on internet
(ii)efficiently use the bandwidth available in PSTN
(iii) to protect information stored in companies’ databases from retrieval
(iv) to preserve secrecy of information stored in databases if an unauthorized person retrieves it
Answer
59. Question
DES
(i) is a symmetric key encryption method
(ii)guarantees absolute security
(iii) is implementable as hardware VLSI chip
(iv) is a public key encryption method
Answer
60. Question
In cheque payment protocol, the purchase order form is signed by purchaser using
Answer