CBSE Credential Curriculum and Topics 1

Question 1

Which of the following is a key component of blockchain security?

Accepted Answer

Hashing and cryptography

Answer

Smart contract programming

Answer

Consensus mechanisms

Answer

Blockchain scalability techniques

Question 2

What is a 51% attack?

Accepted Answer

A situation where a malicious actor controls over 50% of a network’s computing power

Answer

An attack where 51% of the nodes go offline simultaneously

Answer

An attempt to overwhelm a blockchain network with spam transactions

Answer

A hacking method to steal private keys from blockchain users

Question 3

Which of the following is NOT considered a blockchain attack vector?

Accepted Answer

Cloud computing latency

Answer

Sybil attack

Answer

Phishing attack

Answer

Key management attack

Question 4

Why is risk assessment important in blockchain security?

Accepted Answer

To identify potential vulnerabilities in blockchain systems

Answer

To optimize transaction speeds

Answer

To ensure interoperability between blockchain networks

Answer

To comply with international blockchain standards

Question 5

What is the purpose of conducting smart contract audits?

Accepted Answer

To detect and fix vulnerabilities in the smart contract code

Answer

To enhance the user interface of blockchain applications

Answer

To ensure compliance with blockchain development regulations

Answer

To improve the performance of smart contracts