Saltar navegación

Intro Quiz 3.2.3

If a student gets 100% correct answers, he can start the module with the 3.2.3.2 session.

Pregunta

What challenges might arise if nodes in the network do not synchronize effectively? (Select all that apply)

Respostas

Reduced transaction speed

Higher power consumption for individual nodes

Conflicts and forks in the blockchain

Inconsistent transaction records across nodes

Retroalimentación

Pregunta

What activities are necessary for the blockchain network to successfully add a new block? (Select all that apply)

Respostas

Block broadcasting

Transaction verification

Approving by the main node in a network

Email notification to all nodes

Retroalimentación

Pregunta

How is consensus typically achieved in a blockchain network? (Select all that apply)

Respostas

Through a central voting system

By majority rule among a few selected nodes

By probabilistic agreement over time

Through random selection of nodes

Retroalimentación

Pregunta

What are the main processes necessary for nodes in a blockchain network to reach consensus on a new block? (Select all that apply)

Respostas

Voting by all nodes

Candidate selection for block proposal

Synchronization of all node clocks

Propagation of the block

Retroalimentación

Pregunta

What is the basis of candidate selection for block proposals in the Proofof-Work (PoW) consensus mechanism? (Select all that apply)

Respostas

Random selection by a central authority

Competition to solve a complex cryptographic problem

Voting by all nodes in the network

Sequential turn-taking among nodes

Retroalimentación

Feito con eXeLearning (Nova xanela)