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Free CBDH Exam Braindumps (page: 24)

Page 23 of 49
PDF with 195 Questions

What is the initial setup of a network which policies, system chaincodes, and cryptographic materials (certs) are disseminated amongst participants are defined to establish trust?

  1. Chaining
  2. Instantiaton
  3. Bootstrapping
  4. Subnetting

Answer(s): C

Explanation:

The application is bootstrapped knowing about a group of peers which are trusted by the application developer/administrator to provide authentic responses to discovery queries. There is the bootstrap of a peer network, during which policies, system chaincodes, and cryptographic materials (certs) are disseminated amongst participants, and the bootstrap of an ordering network. The bootstrap of the ordering network must precede the bootstrap of the peer network, as a peer network is contingent upon the presence of an ordering service. A network need only be "bootstrapped" once.



What type of peer endorses and executes a transaction?

  1. Endorsement Peer
  2. Peered Peer
  3. Executing Peer
  4. Endorsing Peer
  5. Peer Node

Answer(s): D

Explanation:

An endorser executes and endorses transactions. The endorsing peers take the role of endorsing transactions before they are ordered and committed as per the policy defined in Chaincode.



When designing a client application it is important to note that queries are defined in a query file (.qry).
Where is this .qry file stored?

  1. Parent directory of the business network definition
  2. /tmp directory of the package.json file
  3. Child directory of the package.json file
  4. Child directory of the business network definition
  5. Parent directory of the package.json file

Answer(s): A

Explanation:



You are starting to understand the needed package dependencies for chaincode. What are the two required packages? (Select two.)

  1. Init
  2. Peer Protobuf
  3. Shim
  4. Start

Answer(s): B,C

Explanation:






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