HFCP 試験問題を無料オンラインアクセス

Each peer in the Hyperledger Fabric network hosts a copy of the ledger, which also belongs to what component?

• A.The Ordering node
• B.The membership services
• C.The NoSQL databases
• D.A member channel

Which subcommand adds a peer to a channel in Hyperledger Fabric?

• A.peer channel creace
• B.peer channel join
• C.peer channel updace
• D.peer channel fetch

What is a range query with a start and end key?

• A.A query that searches for all keys that are in the range defined by the start and end keys.
• B.A query that searches for ledger entries that have values matching the range.
• C.A query that searches for a specific value in a composite key and all values after it.
• D.A query that searches for all the key field in the value.

When submitting a transaction, how can a client application send information to be stored only in a private data collection?

• A.Send it as a chaincode event.
• B.Include it as transient data.
• C.Transfer it using an off-chain data store.
• D.Encrypt it using the client private key.

In Hyperledger Fabric, CouchDB is enabled as the state database by changing the state Database configuration option from goleveldb to what?

• A.goCouch
• B.gocouchdb
• C.CouchDB
• D.setCouchDB