Question 1

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 2

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 3

When reading and modifying the ledger state in Hyperledger Fabric, what type of schema does the data stored in the ledger need to adhere if the state database is LevelDB?

Options :

A : No specific schema is required

B : JSON schema

C : XML schema

D : CSV schema

Answer: A

Question 4

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

Question 5

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

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