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The concept of a node is common in most blockchains. Which of the following about nodes is INCORRECT?
Nodes use a Peer to Peer protocol not a Client Server. The concept of node is common in all blockchain technologies. The ''Node'' becomes the communication end point in blockchain technology. Nodes connect to other nodes and that is how a blockchain is formed. Nodes use a type of peer-to-peer protocol for keeping the distributed ledger in sync across the network.
Exhibit.
Based on the permissions .acl displayed, which rule allows the administrator access to the users resources.
Hyperledger Fabric essentially implements a private validator network protocol.
Which of the following statements are true?
Hyperledger is a private validator network protocol. All the entities in a network must register with membership services to obtain an identity with access and transaction authority on the network. Validators determine the level of permissions required to transact. The network setup also defines the network as permissive, allowing the ease of access. It supports for rapid and high adoption for a more controlled and restrictive environment.
Blockchain solutions are comprised of four building blocks. Which of the following answers list the building blocks?
You are writing chaincode and you need to access the ledger's state. What two functions of the chaincode shim API do you select? (Select two.)
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