Articulate How Captain Election Works (RAFT) CORE-CERTIFIED-CONSULTANT Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   In RAFT, what is the purpose of the term number?

   • ATo track the number of configuration changes made by the captain
   • BTo measure the uptime of the captain
   • CTo order elections and ensure that stale leaders cannot disrupt the cluster
   • DTo identify the current leader of the cluster
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   How does a search head cluster captain maintain its role as leader?

   • ABy sending snapshots of its log to followers
   • BBy increasing its term number periodically
   • CBy refusing to accept configuration changes
   • DBy continuously sending heartbeats to all followers
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   Which statement best describes the role of RAFT in a Splunk search head cluster?

   • AIt provides a method for search heads to share search results with each other
   • BIt enables search heads to elect a captain and agree on cluster membership and configuration
   • CIt replicates indexer data to search heads for faster search
   • DIt balances the load of search requests across all search heads
   Reveal Solution Discussion Select an answer first
5. 24application · easy

   A Splunk search head cluster has 3 members. The captain is healthy and sending heartbeats every 1 second. A follower's election timeout is configured to 5 seconds. The follower receives a heartbeat at time T, but the next heartbeat is delayed by 4 seconds due to network congestion. What does the follower do?

   • AIt increments its term and votes for itself, but does not request votes from others because the captain is still alive.
   • BIt immediately becomes a candidate and starts an election because the heartbeat was delayed.
   • CIt sends a heartbeat request to the captain to verify it is still alive before deciding.
   • DIt remains a follower because the 4-second delay is less than its 5-second election timeout.
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A Splunk search head cluster has 3 members. The captain is healthy and has been leading for several hours. A follower's heartbeat timer expires because a network blip delayed the captain's heartbeat by 6 seconds. The follower becomes a candidate and requests votes. What happens?

   • AThe other follower grants its vote, but the current captain denies it because it is still the leader, so the candidate does not get a majority.
   • BThe candidate immediately becomes captain because it has the highest term and the other follower votes for it.
   • CThe candidate receives votes from both the other follower and the current captain, becoming the new captain.
   • DThe cluster enters a split-brain state with two captains because the candidate and the current captain both claim leadership.
   Reveal Solution Discussion Select an answer first