__________ provides the security of data transmission to/from the acquirer bank.

• A) Cardholder
• B) Merchant
• C) Certification authority
• D) Payment gateway

What is function of Cyberwallet?

• A) Manage Coins
• B) Record transactions
• C) Store coins
• D) All of given

How many main stages in payment mechanism?

• A) 3
• B) 4
• C) 2
• D) 1

In which payment system customer do not have to pay interest to the bank on a transaction?

• A) All of the given
• B) Debit card
• C) Credit card
• D) Electronic cheque

A unique large number generated as a result of applying hash function on a message is called ________.

• A) Message digest
• B) Digitally singed message
• C) Hash message
• D) Secret message

CERT is the abbreviation of___________.

• A) Computer Elegant Response Team
• B) Computer Enter Response Team
• C) Computer Emergency Response Team
• D) Computer Efficient Response Team

What are the security threats in VPS?

• A) Missing of delivery
• B) Both A and B
• C) Credit card number stolen
• D) Email hacking

Which one is the example of symmetric key algorithm?

• A) Rinjdael – 128-256 bits
• B) RSA
• C) Elliptic Curves
• D) DSS

In Asymmetric type of cryptography _________.

• A) Same Key is used for encryption and decryption
• B) Different keys are used for encryption and decryption
• C) None of Above
• D) A&B

SETSET(secure Electronic Transaction) was developed by ________.

• A) All of given
• B) Master Cards and VISA
• C) Netscape Navigator
• D) Microsoft

Cryptography is used to ________.

• A) Send message Fast.
• B) Send message to family and friends.
• C) Ensure confidentiality of information.
• D) Send Messages to employees.

If a revealed serial no. is not contained in the database, it proves that the __________.

• A) Coin is valid and unspent.
• B) Coin is invalid.
• C) Coin is valid and spent.
• D) Wrong Serial no.

During the SSL handshake process, a client sends a message to the server, in response the server sends ________ for authentication of its public key.

• A) FTP
• B) HTTP request
• C) Digital certificate
• D) TCP

How many type of cryptography we have?

• A) Five
• B) Two
• C) Four
• D) Three

Cryptography is the technique of _______.

• A) Converting a message into unintelligible or non-understandable form.
• B) Converting a message into understandable form.
• C) Converting a message into intelligible or understandable form.
• D) Converting a message into intelligible form.

In E-cash _______ maintains a database of spent coins.

• A) Merchant
• B) Cyber wallet
• C) Client
• D) Bank

The serial # generated by the cyberwallet gets multiplied by blinding factor ‘r’ which is known only to the ___________.

• A) Merchant
• B) Client
• C) All of given
• D) Bank

Virtual PIN Payment System requires both merchant and buyer to register with ________.

• A) First Virtual (FV)
• B) Auto Clearing House (ACH)
• C) DES (Data Encryption Standard)
• D) DSS (Digital Signature Standard)

In case of transaction failure or crash, one can retrieve his or her lost coins by sending all blinded signed coins from last …………………withdrawals to the E-bank.

• A) 12
• B) 14
• C) 16
• D) 10

In Virtual Payment system , Four kinds of information is provided to e-bank. Identify which one is NOT included:

• A) Actual amount of money in favor of merchant
• B) Buyer password
• C) Buyer Accounts identifier
• D) Address of Merchant