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) Respuestas Opción 1 Reduced transaction speed Opción 2 Higher power consumption for individual nodes Opción 3 Conflicts and forks in the blockchain Opción 4 Inconsistent transaction records across nodes Retroalimentación Solución Correcto Incorrecto Correcto Correcto Pregunta What activities are necessary for the blockchain network to successfully add a new block? (Select all that apply) Respuestas Opción 1 Block broadcasting Opción 2 Transaction verification Opción 3 Approving by the main node in a network Opción 4 Email notification to all nodes Retroalimentación Solución Correcto Correcto Incorrecto Incorrecto Pregunta How is consensus typically achieved in a blockchain network? (Select all that apply) Respuestas Opción 1 Through a central voting system Opción 2 By majority rule among a few selected nodes Opción 3 By probabilistic agreement over time Opción 4 Through random selection of nodes Retroalimentación Solución Incorrecto Correcto Incorrecto Incorrecto Pregunta What are the main processes necessary for nodes in a blockchain network to reach consensus on a new block? (Select all that apply) Respuestas Opción 1 Voting by all nodes Opción 2 Candidate selection for block proposal Opción 3 Synchronization of all node clocks Opción 4 Propagation of the block Retroalimentación Solución Incorrecto Correcto Incorrecto Correcto Pregunta What is the basis of candidate selection for block proposals in the Proofof-Work (PoW) consensus mechanism? (Select all that apply) Respuestas Opción 1 Random selection by a central authority Opción 2 Competition to solve a complex cryptographic problem Opción 3 Voting by all nodes in the network Opción 4 Sequential turn-taking among nodes Retroalimentación Solución Incorrecto Correcto Incorrecto Incorrecto