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HFCP Hyperledger Fabric Certified Practitioner (HFCP) Exam Questions and Answers

Questions 4

What is the main purpose of certificates in Hyperledger Fabric?

Options:

A.

Certificates are used solely in Transport Layer Security (TLS) protocols, providing the necessary keys.

B.

Providing identity for different actors, helping with ledger consistency, authorization and Transport Layer Security (TLS).

C.

Encrypting the stored ledger data in a way that certain data is visible only to certain organizations.

D.

Certificates are certified digital documents making certain parts of the system transparent.

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Questions 5

Which is the last step in the Hyperledger Fabric transaction flow?

Options:

A.

Endorsing and Ordering

B.

Commitment and notification

C.

Ledger updated and commitment

D.

Endorsingand notification

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Questions 6

What are the standard possibilities to configure parameters of a component (peer, orderer) in Hyperledger Fabric?

Options:

A.

Local Linux config files and kubernetes configuration in etcd.

B.

Global configuration database for storing all relevant parameters.

C.

Yaml config files, environment variables, flags on CLI commands.

D.

Individual configuration database for each organization.

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Questions 7

Which of the following statements describes Chaincode correctly?

Options:

A.

Chaincode is software for creating new blocks on the ledger.

B.

Chaincode is software defining assets and transaction instructions for modifying the assets on the ledger.

C.

Chaincode is a legally enforceable business contract between organizations.

D.

Chaincode is a code of conduct to manage a blockchain consortium.

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Questions 8

In a production environment, what peer items require on-going monitoring?

Options:

A.

Only the orderer service since it manages the ordering of transactions.

B.

Only the chaincode containers since they handle the business logic.

C.

All peer containers, including their CPU, network, and memory.

D.

Onlythe peer nodes that are runningchaincode, since they consume most resources.

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Questions 9

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

Options:

A.

In a private data collection

B.

In the client application

C.

In the smart contract

D.

In a custom validation plugin

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Questions 10

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

Options:

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.

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Questions 11

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

Options:

A.

Identity specific users who must sign in order to satisfy a policy.

B Number of nodes in the network

B.

Private keys of all network participants.

C.

Type of consensus algorithm used

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Questions 12

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

Options:

A.

peer channel fetch

B.

peer channel creace

C.

peer channel updace

D.

peer channel join

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Questions 13

Which directory is created by the idemixgen tool along with the ca directory and msp directory when configuring membership?

Options:

A.

config directory

B.

user directory

C.

orderer directory

D.

tlscacerts directory

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Questions 14

Which organization can see data and information stored in the private data collection?

Options:

A.

Every organization of a certain channel can see all the data and related information stored in a private data collection.

B.

Only configured members of a private data collection can see all the data and related information stored in the private data collection.

C.

Only configured members of a private data collection can see the stored data, but hash values of data are shared with other organizations of the channel.

D.

Every organization of a certain Hyperledqer Fabric setup can see the all the data and related information stored in a private data collection.

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Questions 15

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

Options:

A.

The membership services

B.

The Ordering node

C.

The NoSQL databases

D.

A member channel

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Questions 16

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.

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Questions 17

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

Options:

A.

crypto-config.yaml

B.

docker-compose.yaml

C.

configtx.yaml

D.

orderer.yaml

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Questions 18

An enterprise blockchain is a permission blockchain node distributed to whom?

Options:

A.

Administration data center

B.

Nodes distributed with a validator

C.

Member organizations

D.

Nodes distributed on a public Blockchain

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Exam Code: HFCP
Exam Name: Hyperledger Fabric Certified Practitioner (HFCP) Exam
Last Update: Dec 13, 2024
Questions: 60

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