ICT C3 Year 11 2024 Past Paper

What is the name of the cryptographic technique used to secure the transactions in a distributed ledger system?

• Hashing

• Encryption

• Signing

• Padding

What is the main advantage of using blockchain technology for data sharing between organisations?

• Faster data transfer

• Increased trust

• Increased data storage costs

• Improved data privacy

What is a block in a blockchain comprised of?

• Transactions

• Timestamp

• Block header

• Hash

What is the purpose of a timestamp in a blockchain?

• To validate transactions

• To indicate the time of creation of a block

• To link blocks together

• To secure the network

What is the role of proof-of-work in a blockchain?

• To cancel transactions

• To secure the network

• To link blocks together

• To prevent transactions

What is the impact of immutability on the transparency of a blockchain network?

• It makes the network less transparent

• It has no impact on the transparency of the network

• It makes the network more transparent

• None of the above

What is the process by which transactions are verified and added to a blockchain called?

• Mining

• Forging

• Staking

• Linking

What is the main difference between fiat currency and cryptocurrency?

• Fiat currency is centralised while cryptocurrency is decentralised

• Fiat currency is digital while cryptocurrency is physical

• Fiat currency is decentralised while cryptocurrency is centralised

• Fiat currency is used for illegal activities while cryptocurrency is not

What is FIAT currency?

• A type of cryptocurrency

• A type of digital currency

• A currency backed by a government or central authority

• A type of commodity currency

What is the term used to describe the security measures taken to protect a cryptocurrency from fraud and hacking?

• Decryption

• Cybersecurity

• Security protocol

• Encryption