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Questions # 11:

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?

Options:
A.

Hyperledger Quilt

B.

Hyperledger Cello

C.

Hyperledger Caliper

D.

Hyperledger Explorer

Questions # 12:

Exhibit.

Question # 12

Based on the chaincode displayed, which function returns the value of the specified asset key?

Options:
A.

main

B.

Init

C.

Invoke

D.

get

Questions # 13:

In Hyperledger Fabric Composer, what testing tools are available?

Options:
A.

Mocha

B.

Chai

C.

Both A and B

D.

Neither A nor B

Questions # 14:

In Hyperledger Fabric

Options:
A.

Transactions are stored on the file system and are sent to the browser on invocation

B.

Chaincode is stored on the MariaDB database

C.

Transactions are ordered into blocks and are delivered from an ordering service to peers on a channel

D.

None of the above

Questions # 15:

REST (Representational State Transfer) Server is often used to proxy requests to Hyperledger chaincode.

What value does using REST APIS provide?

Options:
A.

Provides a well-defined process for accessing blockchain services.

B.

Provides a well-defined middleware for connecting to off chain services such as Bitcoin.

C.

Provides a well-defined middleware for connecting to blockchain services.

D.

Provides a well-defined process for accessing web services.

Questions # 16:

Please review the chaincode below and select what "import" is specifying.

Question # 16

Options:
A.

Menu Choices

B.

Installation requirements

C.

Dependencies

D.

Logging requests

Questions # 17:

Which of the characteristic is desired in a DLT for business?

Options:
A.

Permissioned

B.

Confidential Transaction

C.

No Cryptocurrency

D.

Programmable

E.

All of the above

Questions # 18:

The use of cryptographic hashing with blockchain provides for which of the following?

Options:
A.

Providing for flexibility in security design

B.

Providing for ease of analytical insight

C.

Ensuring data blocks are mutable

D.

Ensuring data blocks are immutable

Questions # 19:

Hyperledger Fabric Composer allows for an easy front end application development experience without having to know the network internal application structure.

How is this done in Hyperledger Fabric? 

Options:
A.

LoopBack connector for business networks exposes a running network as a RPC API which can easily be consumed by client applications and integrate non-blockchain applications.

B.

LoopBack connector for business networks exposes a running network as a SOAP API which can easily be consumed by client applications and integrate non-blockchain applications.

C.

LoopBack connector for business networks exposes a running network as a SOAP or RESTFUL API which can easily be consumed by client applications and integrate non-blockchain applications.

D.

LoopBack connector for business networks exposes a running network as a REST API which can easily be consumed by client applications and integrate non-blockchain applications.

Questions # 20:

What is a web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network? 

Options:
A.

Hyperledger Composer Runtime

B.

Hyperledger Composer Playground

C.

Hyperledger Explorer

D.

Hyperledger Quilt

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