Certified Blockchain Developer – Hyperledger (CBDH) — Question 3

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

Answer options

• A. Consensus Manager
• B. Distributed Ledger
• C. Peer to Peer Protocol
• D. Reputation Manager
• E. Membership Services

Correct answer: A, B, C

Explanation

The correct components of blockchain services include the Consensus Manager, which ensures agreement among nodes; the Distributed Ledger, which records transactions across multiple locations; and the Peer to Peer Protocol, which facilitates direct communication between nodes. The Reputation Manager and Membership Services, while important in some contexts, are not fundamental components of blockchain technology.