Question 1

What allows users to update channels, or invoke new Smart Contracts?

Options :

A : CouchDB

B : Private data collections

C : The peer CLI

D : Endorsement policies

Answer: C

Question 2

Which concept of the RAFT ordering service relates to the ingestion of new log entries; their replication to other ordering nodes; and managing when an entry is considered committed?

Options :

A : Consenter set

B : Endorsement

C : Quorum

D : Leader

Answer: D

Question 3

What is the only way to recover from a failed migration from Kafka to Raft?

Options :

A : Retry the migration from Kafka to Raft.

B : Restore the state from a backup.

C : Revert to the previous version of Kafka.

D : Rebuild the network from scratch.

Answer: B

Question 4

Which of the following is the correct role of orderer nodes?

Options :

A : Order and package endorsed transactions into a block.

B : Order new tokens from the token issuer.

C : Order peers to endorse a transaction.

D : Reorder stored blocks to compress data volume.

Answer: A

Question 5

An endorsement policy lists what?

Options :

A : The number of organizations involved in a transaction.

B : The number of peers needed to endorse a transaction.

C : The order in which transactions are executed.

D : The identities required for endorsing a transaction.

Answer: D

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