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Security & Access Control Flashcards

7 cards from real CBDH practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Security & Access Control flashcards as text

  1. Which endorsement policy requires a signature from a member of either Org1 or Org2?

    Answer: OR('Org1.member','Org2.member')

    OR needs only one satisfied principal from the listed set.

  2. In a ImplicitMeta policy, what does 'MAJORITY Admins' evaluate?

    Answer: Whether a majority of organizations' Admins sub-policies are satisfied

    ImplicitMeta aggregates the named sub-policy across all organizations in the config group.

  3. Which API sets a key-level endorsement policy in chaincode?

    Answer: SetStateValidationParameter

    State-based endorsement uses SetStateValidationParameter to override the chaincode-level policy for a key.

  4. Which three standard policies are defined at the channel level in Fabric?

    Answer: Readers, Writers, Admins

    Channel configuration defines Readers, Writers, and Admins policies.

  5. In the Fabric 2.x chaincode lifecycle, what must happen before a definition can be committed to a channel?

    Answer: Enough organizations must approve the definition per the LifecycleEndorsement policy

    Commit requires approvals satisfying the channel's LifecycleEndorsement policy (default MAJORITY).

  6. What do access control lists (ACLs) in channel configuration control?

    Answer: Which policy must be satisfied to call particular peer resources and APIs

    ACLs map resources like peer/Propose or event streams to policies.

  7. Which policy governs whether a block submitted to an ordering service channel is valid?

    Answer: BlockValidation

    The orderer group's BlockValidation policy specifies who must sign blocks.

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Sources & references

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  1. blockchaintrainingalliance.com — Test delivery, passing score, score release, test dates, fees, exam format, time limit · verified Oct 2026