E – Commerce MCQs
46. Question
DES using 56 bit keys
Answer
47. Question
A digital signature is
Answer
48. Question
In Electronic cash payment
(i) a customer withdraws “coins” in various denominations signed by the bank
(ii)the bank has a database of issued coins
(iii) the bank has a database of spent coins
(iv) the bank cannot trace a customer
Answer
49. Question
Proxy application gateway
(i) acts on behalf of all intranet users wanting to access interne securely
(ii)monitors all accesses to internet and allows access to only specified IP addresses
(iii) disallows use of certain protocols with security problems
(iv) disallows all internet users from accessing intranet
Answer
50. Question
A hardened firewall host on an intranet
(i) has a proxy application gateway program running on it
(ii)Allows specified internet users to access specified services in the intranet
(iii) Initiates all internet activities requested by clients and monitors them
(iv) prevents outsiders from accessing IP addresses within the intranet
Answer