Explanation:config.changelog.time is ISODate timestamp that reflects when the change occurred. 7. The _______ collection keeps track of the active components in the sharded cluster.
A. deploys
B. lockpings
C. locks
D. All of the mentioned
Answer:A
Explanation:config.changelog.time is ISODate timestamp that reflects when the change occurred. 7. The _______ collection keeps track of the active components in the sharded cluster.
A. deploys B. lockpings C. locks D. All of the mentioned
Explanation:The locks collection stores a distributed lock. 8. If the collection is empty then MongoDB will create the index as part of the ________.