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Questions # 1:

Hyperledger blockchain frameworks reach consensus by performing two separate activities.

What are the two activities? (Select two.)

Options:
A.

Updating Transactions

B.

Validating Transactions

C.

Ordering Transactions

D.

Writing Transactions

E.

Packing Transactions

Expert Solution
Questions # 2:

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

Options:
A.

ChaincodeStubInterface.getFunctionAndParameters

B.

ChaincodelLedgerInterface.PlaceState

C.

ChaincodeStubInterface.PlaceState

D.

ChaincodeStubInterface.PutState

E.

ChaincodeLedgerInterfaceStoreState

Expert Solution
Questions # 3:

Hyperledger Fabric essentially implements a private validator network protocol.

Which of the following statements are true?

Options:
A.

None of the entities in a network must register with membership services to obtain with access and transaction authority on the network.

B.

Selected entities in a network must register with membership services to obtain an identity with access and transaction authority on the network.

C.

All the entities in a network must register with membership services to obtain an identity with access and transaction authority in the network.

D.

Selected entities in a network must register with Reputation Manager to obtain an identity with access and transaction authority on the network.

Expert Solution
Questions # 4:

Which ONE is valid?

Options:
A.

asset StockCettificate identified by ID{

B.

participant Stockholder extends StockCertificate{

C.

asset Bond Certificate extends StockCertificate {

D.

Bond Certificate extends StockCertificate {

Expert Solution
Questions # 5:

In Composer when declaring arguments are used to pass values. What argument value is NOT a value that is allowed?

Options:
A.

string

B.

integer

C.

number

D.

boolean

Expert Solution
Questions # 6:

You are starting to understand the needed package dependencies for chaincode. What are the two required packages? (Select two.)

Options:
A.

Init

B.

Peer Protobuf

C.

Shim

D.

Start

Expert Solution
Questions # 7:

Hyperledger Composer has the following two main components.

Options:
A.

Composer Framework and a Business Network Archive

B.

Composer Playground and a Business Network Configuration

C.

Composer Playground and a Business Network Archive

D.

Distributed Ledger and a Business Network Archive

E.

Distributed Ledger and Composer playground

Expert Solution
Questions # 8:

You would like to download Hyperledger Fabric.

What would be the command to start the process?

Options:
A.

ftp clone https://github.com/hyperledger/fabric.sh

B.

git clone https://github.com/hyperledger/fabric.git

C.

ftp clone https://github.com/hyperledger/fabric.git

Expert Solution
Questions # 9:

Chaincode interface must be implemented by ever chaincode program.

Options:
A.

TRUE

B.

FALSE

Expert Solution
Questions # 10:

Which one is true? A developer of front end application that connects to the REST server:

Options:
A.

needs to use the composer sdk and must understand how the REST API work

B.

does not have to learn the internals of the network application as they deal with plain REST API

C.

needs to use composer tool for generating the code for front end application

Expert Solution
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