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Free CBDH Exam Braindumps (page: 14)

Page 13 of 49
PDF with 195 Questions

What means "Forking" the Hyperledger Fabric Github repository? (Select two.)

  1. Fork will fork the entire repository including all the branches.
  2. Forking is not allowed in Github.
  3. Moving this repository to your GitHub account and removing contents from previous repository.
  4. Fork will fork the specific repository without all the branches.
  5. Creating a copy of this repository under your GitHub account.

Answer(s): A,E

Explanation:

Forking" the repository means creating a copy of this repository under your GitHub account. Note that the fork will fork the entire repository including all the branches.



The chaincode's interface implements which of the following functions?

  1. Invoke and Close
  2. Invoke and Revoke
  3. Open and Shut
  4. Open and Close
  5. Invoke and Init

Answer(s): E

Explanation:

Hyperledger supports the following two types of transactions. Code deploying transaction: A code deploying transaction submits, updates, or terminates a chaincode. Code invoking transaction: A code invoking transaction is an API call to a chaincode function.



When deploying a database option there are some important things to consider from a deployment perspective. CouchDB and LevelDB can be deployed with Fabric. Which of the following is a true statement in regards to ledger deployment?

  1. A CouchDB database is closely co-located with a network node and runs in a separate operating system process
  2. A LevelDB database is closely co-located with a network node and runs in a separate operating system process
  3. A CouchDB database is closely co-located with a network node and it is embedded within the same operating system process
  4. A LevelDB database is closely co-located with a network node and it is embedded within the same operating system process

Answer(s): D

Explanation:

A CouchDB database is closely co-located with a network node and it is embedded within the same operating system process.



Every chaincode has an ________________ policy which specifies the set of peers on a channel that must execute chaincode and endorse the execution results in order for the transaction to be considered valid.

  1. Endorsement
  2. Transaction
  3. Validation
  4. Chaincode

Answer(s): A

Explanation:

Chaincode has an endorsement policy which specifies the set of peers on a channel that must execute chaincode and endorse the execution results in order for the transaction to be considered valid.






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