CBDH Online Practice Questions and Answers

The pluggable world state database is:

A. CouchDB or LevelDB

B. MariaDB and file system

C. Both A and B

D. Neither A nor B

The_______________is used to sign, verify, provision, and authenticate in Hyperledger Fabric

A. Membership Service Provider

B. Onboarder

C. Cryptographic generator

D. None of the above

There is_________________when a transaction is validated and committed to the ledger:

A. Immutability

B. Transparancy

C. Confidentiality

D. Privacy

One essential element of blockchain technology is the availability of cryptocurrency that can be used as value token on the DLT platform.

A. TRUE

B. FALSE

________________ endorsement allows the default chaincode-level endorsement policies to be

overridden by a different policy for the specified keys.

What type of endorsement is this?

A. Policy Driven

B. Key-Value

C. Stateless D. State based

Hyperledger fabric business network is divided into which of the following categories?

A. Composer, Fabric and Chaincode

B. Sawtooth, Fabric and Indy

C. Blockchain, Registration, Identity

D. Blockchain, Chaincode and Membership

Which Hyperledger tool provides an open source browser for viewing activity on the underlying blockchain network?

A. Caliper

B. Quilt

C. Cello

D. Explorer

What services provides the capability to provide authorized entities the means to link transactions of individual users or groups of users according to the affiliation or roles?

A. Authentication Services

B. Registration Services

C. Identity Management

D. Auditability Services

Which Hyperledger tool would you select to invoke, deploy or query blocks, transactions and associated data, network information (name, status, list of nodes), chain codes and transaction families, as well as other relevant information stored in the ledger?

A. Hyperledger Quilt

B. Hyperledger Cello

C. Hyperledger Caliper

D. Hyperledger Explorer

The Hyperledger Project consists of the following EXCEPT?

A. Infrastructure

B. Tools

C. Framework

D. Management