CS201 Final Term Quiz 3 July 2023 Part 2 by Miss Mehwish

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Q1. ________ is added in message digest to create digital signatures?

1. Sender's public key
2. Public key of third party
3. Sender's private key
4. Sender's symmetric key

Correct option: C) Sender's private key Sender's private key

Q2. At minting stage, the serial number is _______ by E-Cashbank.

1. Secret
2. Known
3. Forwarded
4. Unknown

Correct option: b) Known

Q3. Click and Mortar refers to

1. Building
2. Engineering
3. Online business
4. Offline business

Correct option: c) Online business

Q4. Cyber wallet stores and manages ______ and records every transaction.

1. Coins
2. Cash
3. Serial #
4. Cryptography

Correct option: a) Coins

Q5. Hash function is a/an ________.

1. Log file
2. Hardware device
3. Communication protocol
4. Encryption mechanism

Correct option: d) Encryption mechanism

Q6. Portals are the websites which provide a chance to the visitors to find almost everything in one place. Search engine is an example of a _________ portal.

1. Horizontal
2. Diagonal
3. Vertical
4. Parallel

Correct option: a) Horizontal

Q7. It is necessary for both buyer and seller to have their account in the _______ E-bank.

1. Separate
2. Partially same
3. Same
4. Any

Correct option: a) Separate

Q8. In case of transaction failure or crash, one can retrieve his or her lost coins by sending all blinded signed coins from the last _______ withdrawals to the E-bank.

1. 12
2. 16
3. 14
4. 10

Correct option: b) 16