CBDH Identity & Certificate Management

Question 1

What is the primary role of the Membership Service Provider (MSP) in Hyperledger Fabric?

Accepted Answer

To define the rules for validating identities and determining member privileges

Answer

To manage transaction throughput across channels

Answer

To store chaincode in the distributed ledger

Answer

To manage peer node communication protocols

Question 2

Which certificate format does Hyperledger Fabric use for identity management?

Accepted Answer

PEM-encoded X.509 certificates

Answer

PKCS#12 certificates

Answer

DER-encoded RSA certificates

Answer

JWT tokens

Question 3

What is the function of Fabric CA in a Hyperledger Fabric network?

Accepted Answer

To issue and manage X.509 certificates for network identities

Answer

To execute smart contracts on behalf of clients

Answer

To validate transaction ordering sequences

Answer

To store the world state database

Question 4

Which command is used to obtain an enrollment certificate from Hyperledger Fabric CA?

Accepted Answer

fabric-ca-client enroll

Answer

fabric-ca-client register

Answer

fabric-ca-client join

Answer

fabric-ca-client identity add

Question 5

What is an enrollment certificate (ECert) in Hyperledger Fabric?

Accepted Answer

A long-term identity certificate issued to network participants

Answer

A certificate used only for TLS communication between nodes

Answer

A temporary session token for transaction signing

Answer

A certificate stored only on the orderer node

Question 6

What is the purpose of the TLS CA in Hyperledger Fabric?

Accepted Answer

To provide certificates for securing communication channels between nodes

Answer

To issue certificates for user enrollment and business identity

Answer

To validate chaincode endorsement policies

Answer

To manage the gossip protocol's peer discovery credentials

Question 7

Which cryptographic algorithm is used by default for key generation in Hyperledger Fabric's BCCSP?

Accepted Answer

ECDSA with curve P-256

Answer

RSA-2048

Answer

DSA-1024

Answer

Ed25519