CBDH Security & Access Control 3

Question 1

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

Accepted Answer

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

Answer

OR needs only one satisfied principal from the listed set.

Question 2

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

Accepted Answer

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

Answer

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

Question 3

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

Accepted Answer

SetStateValidationParameter

Answer

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

Question 4

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

Accepted Answer

Readers, Writers, Admins

Answer

Channel configuration defines Readers, Writers, and Admins policies.

Question 5

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

Accepted Answer

Enough organizations must approve the definition per the LifecycleEndorsement policy

Answer

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

CBDH - Certified Blockchain Developer Hyperledger Practice Test