Explanation:sh.waitForDLock() waits for a specified distributed sharded cluster lock. 2. Point out the correct statement:
A. sh.deadForDLock() waits for a specified distributed sharded cluster lock
B. sh.waitForBalancerOff() waits until the balancer stops running
C. sh.statusserver() reports on the status of a sharded cluster, as db.printShardingStatus()
D. All of the mentioned
Answer:A
Explanation:sh.waitForDLock() waits for a specified distributed sharded cluster lock. 2. Point out the correct statement:
A. sh.deadForDLock() waits for a specified distributed sharded cluster lock B. sh.waitForBalancerOff() waits until the balancer stops running C. sh.statusserver() reports on the status of a sharded cluster, as db.printShardingStatus() D. All of the mentioned
Explanation:sh.stopBalancer() disables the balancer and waits for any in progress balancing rounds to complete. 3. _________ waits for a change in ping state from one of the mongos in the sharded cluster.