In Electronic cash payment a. a debit card payment system is used b. a customer buys several electronic coins which are digitally signed by coin issuing bank c. a credit card payment system is used d. RSA cryptography is used in the transactions

In Electronic cash payment

a. a debit card payment system is used

b. a customer buys several electronic coins which are digitally signed by coin issuing bank

c. a credit card payment system is used

d. RSA cryptography is used in the transactions 
by

1 Answer

Answer :

b. a customer buys several electronic coins which are digitally signed by coin issuing bank 
by

Related questions

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 a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Description : 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 a. i, ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv 

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The Secure Electronic Transaction protocol is used for a. credit card payment b. cheque payment c. electronic cash payments d. payment of small amounts for internet services

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Disadvantages of e-Commerce in India are (i) internet access is not universally available (ii) Credit card payment security is not yet guaranteed (iii) Transactions are de-personalized and human contact is missing (iv) Cyberlaws are not in place a. i and ii b. ii and iii c. i, ii, iii d. i, ii, iii, iv

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In NetBill’s protocol for small payments for internet services (i) Key to decrypt information is sent to customer by NetBill only when there is enough amount in debit account (ii) The vendor supplies the key to NetBill server when he receives payment (iii) Checksum of encrypted information received by customer is attached to his payment order (iv) Vendor does not encrypt information purchased by customer a. i, ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv

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In the NetBill’s protocol for small payments for services available in the internet. (i) the customer is charged only when the information is delivered (ii)the vendor is guaranteed payment when information is delivered (iii) the customer must have a certified credit card (iv) the customer must have a valid public key a. i, ii b. i, ii, iii c. i, ii, iii, iv d. i, ii, iv

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In SET protocol a customer encrypts credit card number using a. his private key b. bank’s public key c. bank’s private key d. merchant’s public key

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If transactions not made by the cardholder appear on the statement of account the card holder should dispute them with the card issuing Bank within how many days of the transaction date?

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In SET protocol a customer sends a purchase order a. encrypted with his public key b. in plain text form c. encrypted using Bank’s public key d. using digital Signature system

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EDI standard a. is not easily available b. defines several hundred transaction sets for various business forms c. is not popular d. defines only a transmission protocol

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A digital signature is a. a bit string giving identity of a correspondent b. a unique identification of a sender c. an authentication of an electronic record by tying it uniquely to a key only a sender knows d. an encrypted signature of a sender

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What's better when traveling, use your credit card to get cash or use your bank debit card?

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Which one is not an E-payment method used in India a) Debit card b) Credit card c) E-cheque d) None of the above

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(i) Excess of a total of debit side over a total of credit side of Cash Book, Bank column.

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DES and public key algorithm are combined (i) to speed up encrypted message transmission (ii)to ensure higher security by using different key for each transmission (iii) as a combination is always better than individual system (iv) as it is required in e-Commerce a. i and ii b. ii and iii c. iii and iv d. i and iv

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Last Answer : a. i and ii

Message can be sent more securely using DES by a. encrypting plain text by a different randomly selected key for each transmission b. encrypting plain text by a different random key for each message transmission and sending the key to the receiver using a public key system c. using an algorithm to implement DES instead of using hardware d. designing DES with high security and not publicizing algorithm used by it

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Last Answer : b. encrypting plain text by a different random key for each message transmission and sending the key to the receiver using a public key system

In public key encryption system if A encrypts a message using his private key and sends it to B a. if B knows it is from A he can decrypt it using A’s public key b. Even if B knows who sent the message it cannot be decrypted c. It cannot be decrypted at all as no one knows A’s private key d. A should send his public key with the message

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Public key system is useful because a. it uses two keys. b. there is no key distribution problem as public key can be kept in a commonly accessible database. c. private key can be kept secret. d. it is a symmetric key system.

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On October 4, 2008, Terry Corporation had credit sales transactions of $2,800 from merchandise having cost $1,900. The entries to record the day's credit transactions include a a. debit of $2,800 to Merchandise Inventory. b. credit of $2,800 to Sales. c. debit of $1,900 to Merchandise Inventory. d. credit of $1,900 to Cost of Goods Sold.

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Last Answer : b. credit of $2,800 to Sales.

Certification of Digital signature by an independent authority is needed because a. it is safe b. it gives confidence to a business c. the authority checks and assures customers that the public key indeed belongs to the business which claims its ownership d. private key claimed by a sender may not be actually his

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Last Answer : c. the authority checks and assures customers that the public key indeed belongs to the business which claims its ownership 

The responsibility of a certification authority for digital signature is to authenticate the a. hash function used b. private keys of subscribers c. public keys of subscribers d. key used in DES

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Last Answer : c. public keys of subscribers  

A hashing function for digital signature (i) must give a hashed message which is shorter than the original message (ii)must be hardware implementable (iii) two different messages should not give the same hashed message (iv) is not essential for implementing digital signature a. i and ii b. ii and iii c. i and iii d. iii and iv

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In public key encryption if A wants to send an encrypted message a. A encrypts message using his private key b. A encrypts message using B’s private key c. A encrypts message using B’s public key d. A encrypts message using his public key

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Last Answer : c. A encrypts message using B’s public key 

Triple DES a. is a symmetric key encryption method b. guarantees excellent security c. is implementable as a hardware VLSI chip d. is public key encryption method with three keys.

Description : Triple DES a. is a symmetric key encryption method b. guarantees excellent security c. is implementable as a hardware VLSI chip d. is public key encryption method with three keys. 

Last Answer : b. guarantees excellent security