Weekend Sale - Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: sntaclus

examout.co

What is the best description of how Kafka is utilized for consensus approach in Hyperledger Fabric?

A.

Kafka does not support crash tolerance but it does not offer protection against rogue nodes in the network.

B.

Provides Byzantine fault tolerance. Finality happens in a matter of seconds. Scale to petabytes of data, distributed across many clusters.

C.

Provides Byzantine fault tolerance. Finality happens in a matter of seconds.

D.

Permissioned voting based Leader does ordering. Only in-sync replicas can be voted as leader.

When the distributed ledger has been updated and all nodes maintain their own identical copy of the ledger, what were the nodes reached?

A.

Perfection

B.

Consensus

C.

Replication

D.

Agreement

A ledger has 2 parts, which one is not part of the ledger?

A.

Application log

B.

Transaction log

C.

State data

There are generally two ways to develop business contracts in Hyperledger. (Select two.)

A.

Code individual contracts into standalone instances of chaincode.

B.

Use chaincode to create decentralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contracts within these applications.

C.

Code multiple contracts into distributed instances of chaincode.

D.

Code individual contracts into distributed instances of chaincode.

E.

Use chaincode to create centralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contacts within these applications.

What is the initial setup of a network which policies, system chaincodes, and cryptographic materials (certs) are disseminated amongst participants are defined to establish trust?

A.

Chaining

B.

Instantiaton

C.

Bootstrapping

D.

Subnetting

__________are used in a . cto model file lo indicate a relationship between an entity in the existing model file and an entity from another model file.

A.

Relationships

B.

Pointers

C.

Imports

D.

Resources

In Hyperledger Fabric, miners are called?

A.

Committer Peer

B.

There are no miners in Hyperledger

C.

Endorser Node

D.

Channels

Certification authority is responsible for:

A.

Issuing the certificates

B.

Revoking the certificate

C.

Validating the certificates

D.

All of the above

What function in chaincode will be used to store a state on the blockchain ledger?

A.

ChaincodeStubInterface.getFunctionAndParameters

B.

ChaincodelLedgerInterface.PlaceState

C.

ChaincodeStubInterface.PlaceState

D.

ChaincodeStubInterface.PutState

E.

ChaincodeLedgerInterfaceStoreState

Relationship is created using the symbol:

A.

_>

B.

o

C.

>>

D.

-->