Free Blockchain CBDH Practice Exam with Questions & Answers

Exhibit.

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

A resource marked as abstract_____be instantiated; can be_____to create new resource definitions.

What type of peer endorses and executes a transaction?

Exhibit.

Based on the code snippet displayed, what does the following line do

return assetRegistry.update(transfer.stock) ;

You’re currently investigating Hyperledger and would like to confirm that there is a set of collaboration tools for building blockchain business networks that accelerate the development of smart contracts and blockchain applications.

What is the solution that meets the requirement?

Query is called whenever you query your chaincode's state.   Queries do not result in blocks being added to the chain, and you cannot use certain functions.

Which function can you not use inside a Query? 

Exhibit.

The function displayed is called

Exhibit.

The lowercase "o" in the code snippet indicates:

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

All of the modeling components MUST be defined in a single file.