Governance, Upgrades, and Forks BDC Practice Questions (Page 10)

Questions 46–50

1. 46application · medium

   A blockchain network wants to implement a soft fork that will be activated only when a supermajority of miners signal readiness. The team wants to avoid activating the fork if there is insufficient support. Which activation mechanism is most appropriate?

   • AActivation after a community poll on a forum
   • BImmediate activation upon the first miner signaling
   • CBIP9-style miner signaling with a threshold and a timeout period
   • DA fixed block height activation
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A blockchain network is planning a hard fork to fix a critical bug. The upgrade has been tested and is ready. What is the most important factor to ensure the hard fork is successful?

   • AThe activation block height must be kept secret
   • BToken holders must vote on the upgrade
   • CA majority of miners must signal support
   • DAll nodes must upgrade to the new software before the activation block
   Reveal Solution Discussion Select an answer first
4. 48application · medium

   A blockchain network uses an off-chain governance process where the core development team has the final say on protocol changes. The community is concerned that the development team might make decisions that benefit themselves. What is the most effective way to address this concern?

   • ARely on the development team's goodwill and transparency
   • BCreate a community advisory board that can veto decisions
   • CPublish the development team's salaries and expenses
   • DIntroduce a formal on-chain voting mechanism for major protocol changes
   Reveal Solution Discussion Select an answer first
5. 49application · medium

   During a network upgrade, a node operator notices that some blocks being received are invalid according to the new consensus rules. The node is running the upgraded software. What should the node do?

   • AAccept the blocks because they come from a majority of miners
   • BSwitch back to the old software to accept the blocks
   • CReject the blocks and continue following the chain that adheres to the new rules
   • DBroadcast the blocks to other nodes to see if they accept them
   Reveal Solution Discussion Select an answer first
6. 50foundation · easy

   In blockchain governance, what is the primary role of miners or validators?

   • AThey are responsible for writing the code for protocol upgrades.
   • BThey signal support for upgrades by updating their software and producing blocks that follow the new rules.
   • CThey vote on proposals using their token holdings in a formal on-chain voting system.
   • DThey have the final say in all governance decisions because they secure the network.
   Reveal Solution Discussion Select an answer first