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VCE
Consensus on the Blockchain defines________________
A. The distribution of each data block
B. Agreement of a valid transaction by all the network nodes
C. Security between two blocks of data
D. Basic security of the blockchain
Hyperledger blockchain frameworks reach consensus by performing two separate activities. What are the two activities? (Select two.)
A. Updating Transactions
B. Validating Transactions
C. Ordering Transactions
D. Writing Transactions
E. Packing Transactions
What is the best description of how Kafka is utilized for consensus approach in Hyperledger Fabric?
A. Kafka does not support crash tolerance but it does not offer protection against rogue nodes in the network.
B. Provides Byzantine fault tolerance. Finality happens in a matter of seconds. Scale to petabytes of data, distributed across many clusters.
C. Provides Byzantine fault tolerance. Finality happens in a matter of seconds.
D. Permissioned voting based Leader does ordering. Only in-sync replicas can be voted as leader.