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Free CBDE Exam Braindumps

On a consortium network:

  1. everybody can become a miner, everybody can send transactions and everything is public.
  2. usually only a few selected nodes can be miners. Transactions can be further limited.

Answer(s): B



The JSON-RPC Protocol:

  1. is used to communicate between blockchain nodes.
  2. is used to ensure safe communication between miners.
  3. is a mean of dumping the blockchain data in a so-called consensus export.
  4. is used to communicate between the blockchain node and externally running applications.

Answer(s): D



GETH:

  1. is the reference implementation of the Ethereum protocol and every other node implementation internally uses the closed-source from Geth.
  2. is the library that is used for the blockchain node Go-Ethereum. It is also used by Parity is parts, because it's closed source.
  3. is one of the many blockchain nodes that implement the Ethereum Protocol. It's open source and everyone can contribute.

Answer(s): C



To store almost all data in the Ethereum Blockchain:

  1. a Linked List with pointers to previous blocks hashes is used.
  2. a Merkle Patricia Trie is used.
  3. a Radix Trie is used because the Merkle Patricia Trie is too inefficient.

Answer(s): B






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