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Free CBDE Exam Braindumps (page: 8)

Page 7 of 26
PDF with 102 Questions

A Private Network is:

  1. a side Channel to the Ethereum Main Net which costs less gas to run smart contracts.
  2. an exact clone of the Rinkeby Test-Network which can be started as virtual machine in the Azure Cloud.
  3. a Network running only in a private area, where people cannot join freely and openly.

Answer(s): C



For Rapid Development Cycles it's good:

  1. to deploy to the main-network as quickly as possible.
  2. to use in-memory blockchain simulations, because mining works instantaneously.
  3. to use a private network at all times, because this is the closest you get to the real network.

Answer(s): B



Go-Ethereum vs. Ganache:

  1. both are the same, just implemented in a different language.
  2. with Go-Ethereum you get a real blockchain node where you can create your own local private network, connect to Test-Networks or the Main-Net, while with Ganache you get an in-memory blockchain simulation.
  3. with Ganache you get a real blockchain node where you can connect to the Test-Networks Rinkeby and Ropsten.

Answer(s): B



Block Timestamp:

  1. the timestamp is based on the time zone of the miner, that is why it changes the difficulty continuously to reflect network latency.
  2. the timestamp can't be influenced by a miner and is generally considered safe to be used for randomness on the blockchain.
  3. the timestamp can be influenced by a miner to a certain degree but it's always independent from the time- zone.

Answer(s): C






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