Online Access Free HFCP Exam Questions

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

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

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

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

When deploying an Orderer environment, variables must be customized or overridden in which artifact?

• A.configtx.yaml
• B.crypto-config.yaml
• C.orderer.yaml
• D.docker-compose.yaml

What is the advantage of using state-based endorsement policy over a chaincode or collection level endorsement policy?

• A.It provides a way to set endorsement policy for multiply keys with one chaincode configuration update.
• B.It provides fine-tuned endorsement policy on key level, update is possible without chaincode update
• C.It provides a way to set endorsement policy on a global Hyperledger Fabric farm level with one configuration
• D.It can be used without complex configuration transactions, only a JSON configuration file is needed.

Which arguments must be supplied when a client application uses the Fabric Gateway client API to create a Gateway connection to a Fabric network?

• A.Connection profile and client private key
• B.Client public key and signing implementation
• C.Client X.509 certificate and private key
• D.connection and client identity