a) available b) current c) always avail d) none of the mentioned Answer: b Explanation: available contains ...
View QuestionserverStatus includes all fields by default, except _________
a) rangeDeleter b) rangeDelete c) rangeDEL d) none of the mentioned Answer: b Explanation: You may only ...
View QuestionThe __________ data structure value provides more granular information concerning the number of operations queued because of a lock.
a) currentQueue b) curQueue c) currentQu d) none of the mentioned Answer: a Explanation: The serverStatus command ...
View QuestionIf __________ is high relative to uptime, the database has existed in a lock state for a significant amount of time.
a) globalLock.halfTime b) globalLock.totalTime c) globalLock.downTime d) all of the mentioned Answer: b Explanation: The value of ...
View Question________ provide the number of times the lock acquisitions encountered deadlocks.
a) locks.deadlock b) lock.deadlockCount c) locks.deadlockCount d) all of the mentioned Answer: c Explanation: The globalLock ...
View QuestionPoint out the correct statement.
a) MongoDB uses a locking system to ensure data set consistency b) If certain operations are long-running or ...
View QuestionYou cannot create a TTL index on a ________ collection.
a) Sharded b) Capped c) Primary d) None of the mentioned Answer: b Explanation: MongoDB cannot remove ...
View QuestionYou cannot use _________ to change the value of expireAfterSeconds of an existing index.
a) createIndex() b) dropIndex() c) removeIndex() d) none of the mentioned Answer: a Explanation: Instead use the ...
View QuestionSecondary members replicate _________ operations from the primary.
a) Update b) Drop c) Insert d) None of the mentioned Answer: d Explanation: On replica sets, ...
View QuestionPoint out the correct statement.
a) TTL indexes expire documents after the specified number of seconds has passed since the indexed field value
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