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HFCP by Linux Foundation - Page 1 | ExamCademy

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An endorsement policy lists what?

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.

When building a test network, how many nodes are adequate for an Ordering Service?

A There is no set number of nodes required for an Ordering Service.
B Three ordering nodes are needed for a test Ordering Service.
C One ordering nodes is sufficient for an Ordering Service.
D Ordering Service nodes are optional in a test network.

Regarding peer lifecycle chaincode, which of the following is the incorrect (unsupported) subcommand for query?

A peer lifecycle chaincode querypackaged
B peer lifecycle chaincode querycommitted
C peer lifecycle chaincode queryapproved
D peer lifecycle chaincode queryinstalled

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

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

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

A peer channel fetch
B peer channel create
C peer channel update
D peer channel join

After the transaction that contains the delState("A") function is committed, what happens to the ledger and state database?

A getstate("A") function returns the current state of the key "A".
B The deleting transaction sets an empty value to the key "A" in the write set.
C The state of the key "A" is removed from the state database, but its history remains in the ledger.
D All transaction histories which updated the state "A" are deleted from the ledger.

How would a developer iteratively test and develop a smart contract without the overhead of the smart contract lifecycle process for every update?

A Running chaincode for Smart Contracts in development mode.
B Manually update the Smart Contract code on the network.
C Deploy the Smart Contract on the network for every update.
D Use a Production Network to test and develop Smart Contracts.

Which of the following information do signature policies provide when creating a network in Hyperledger Fabric?

A Identify specific users who must sign in order to satisfy a policy.
B Number of nodes in the network.
C Private keys of all network participants.
D Type of consensus algorithm used

What is true about the historic states in Hyperledger Fabric model?

A They can be modified by anyone with write access.
B Administrator role is required for access.
C They are immutable.
D They cannot be accessed by anyone.

In Hyperledger Fabric, Intercommunication is how a smart contract in a channel updates the World State database. It is achieved by what process?

A Setting the endorsement policy to communicate with all peers.
B Configuring the Peer-to-peer endorsement options.
C Calling smart contracts within the channel and in different channels.
D Making use of the cross channel Consensus mechanism.

What types of events committed to the ledger can client applications receive using the peer's event service?

A Only block events
B Both chaincode and block events
C Neither chaincode nor block events
D Only chaincode events

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

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.