In Hyperledger, nodes need a ____________to be able to communicate to the network.
Answer(s): A
In Hyperledger, nodes need a valid certificate to be able to communicate to the network and the participants use applications that connect to the network by way of the nodes.
What component on the blockchain maintains the "world state"?
Answer(s): C
Distributed Ledger manages the world state and the transaction log in the blockchain. The world state is defined as the state of all transactions on the Blockchain, where all nodes agree that all blocks on the Blockchain are at the same state. It implements three key attributes. It efficiently calculates the cryptographic hash of the entire dataset of each block. It efficiently transmits a minimal “delta” changes to the dataset, when a peer is out of sync and needs to “catch up”. It minimizes the amount of stored data required for each peer to operate.
When you are developing with Fabric Composer which of the following is true?
Hyperledger Composer is an open-source application development framework which simplifies the creation of Hyperledger Fabric blockchain applications, thus reducing the time and complexity of development. The tool aims at helping users to create blockchain applications based on Hyperledger Fabric without needing to know the low-level (Go Programming) details involved in blockchain networks.
Composer Modeling Language is an object-oriented modeling language that defines the domain model for a business network definition. The modeling language is saved as a ____________file.
Answer(s): E
Composer Modeling Language is an object-oriented modeling language that defines the domain model for a business network definition. The modeling language is saved as a .cto file.
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