CBDH

Review 126 CBDH practice questions with answer explanations and community insights.

Question 1

Level DB is the default database for Hyperledger Fabric and is particularly appropriate when ledger states comprise what type of data?

  1. Complex key-value pairs
  2. Rich Queries
  3. JSON data pairs
  4. Simple key-value pairs

Question 2

When creating a network according to an organization's structure and also bootstrap a channel what are the following artifacts we would need to generate?

  1. Genesis Block, License File and Anchor Peer Configs for each organization.
  2. Genesis Block, ledger Configuration and Anchor Peer Configs for each organization.
  3. Genesis Block, Channel Configuration and Anchor Peer Configs for each organization.
  4. Genesis Block, Channel Configuration and Anchor MSP Configs for each organization.

Question 3

Which Hyperledger tool would you select to invoke, deploy or query blocks, transactions and associated data, network information (name, status, list of nodes), chain codes and transaction families, as well as other relevant information stored in the ledger?

  1. Hyperledger Quilt
  2. Hyperledger Cello
  3. Hyperledger Caliper
  4. Hyperledger Explorer

Question 4

Blockchain services consists of three major components. What are they? (Select three.)

  1. Consensus Manager
  2. Distributed Ledger
  3. Peer to Peer Protocol
  4. Reputation Manager
  5. Membership Services

Question 5

The gossip data dissemination protocol performs which three functions? (Choose three.)

  1. Manages peer discovery and channel membership
  2. Disseminates ledger data across all peers on the channel
  3. Manages channel membership only
  4. Sync ledger state across all peers on any channel
  5. Sync ledger state across all peers on the channel
  6. Manages peer discovery only
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