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C4 Blockchain: Basics and Applications >> Blockchain Features

As part of my master's program, I have created this quiz with a collection of multiple-choice questions that are designed to help me and my classmates review our knowledge of the "Blockchain Features" module from "Course 4 Blockchain: Basics and Applications".

Shown below are 9 randomly selected questions from the C4 Blockchain: Basics and Applications >> Blockchain Features knowledge test. As an unauthenticated user, you have access to a limited set of 9 questions out of 184, and you won't be able to view the correct answers for them.

If you would like to take the test and view the answers, please CLICK HERE to log in.

1/184: What is the main challenge of globalisation in the digital ecosystem?

Reduced security
Increased national borders
Increased competition
Greater control over data

2/184: How does Chameleon Hash ensure the integrity of the blockchain?

By introducing a secret key called the trapdoor.
By providing a way to permanently delete data from a blockchain.
By introducing a scar to indicate that data has been modified.
By allowing participants to modify data without affecting the hash of the block.

3/184: Why is the PBFT mechanism important in a blockchain?

It ensures that all nodes in the network agree on the state of the blockchain
It ensures that malicious nodes cannot compromise the blockchain
It ensures that the blockchain remains immutable and secure
All of them

4/184: What is the main difference between the throughput of public and private blockchains?

Public blockchains have higher throughput, while private blockchains have lower throughput.
Public blockchains have lower throughput, while private blockchains have higher throughput.

5/184: Who usually uses Private Blockchains?

Anyone who wants to participate
Individuals who want to mine cryptocurrencies
Organizations, institutions, or a group of known entities
Only individuals who have prior experience with Blockchain technology

6/184: What was the first version of blockchain?

piece of code.
computer network.
state machine.
ledger.

7/184: Does each participant in a private blockchain have the same level of authority?

8/184: How can a required node be identified in a network?

Through its IP address
Through its domain name
Through its private key
Through its public key

9/184: Who can access a private blockchain?

Only authorized users
Anyone

If you would like to take the test and view the answers, please CLICK HERE to log in.

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You're testingC4 Blockchain: Basics and Applications >> Blockchain Features

You're testing
C4 Blockchain: Basics and Applications >> Blockchain Features