HFCP 무료 덤프문제 온라인 액세스

What should be taken into account at implementing efficient CouchDB queries from chaincode?

• A.Using OLAP (Online analytical processing) and Cube functionality of CouchDB is enough to implement efficient queries.
• B.Using advanced relational algebra and SQL query language options of CouchDB is enough to implement efficient queries.
• C.Using indexes, focusing on simple queries and avoiding full index scans like with operators $or, $in and
  $regex.
• D.Using complex indexes for certain columns is enough even if full scan operators like $or, $in and $regex are used.

What happens if the user submits a transaction with no matching function?

• A.Nothing, the transaction is ignored.
• B.The first transaction function is called.
• C.The unknownTransaction function is called.
• D.The peer will have rejected the transaction.

Where would you generate a unique ID to represent an asset on the ledger?

• A.In the client application
• B.In a private data collection
• C.In the smart contract
• D.In a custom validation plugin

An endorsement policy lists what?

• A.The identities required for endorsing a transaction.
• B.The order in which transactions are executed.
• C.The number of peers needed to endorse a transaction.
• D.The number of organizations involved in a transaction.

In Hyperledger Fabric, what is used if end users of the application want to keep their private key secret?
In Hyperledger Fabric, what is used if end users of the application want to keep their private key secret?

• A.No signing is required
• B.Offline signing
• C.Shared signing
• D.Online signing