Explore topic-wise MCQs in Mongodb.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.

1.

A delayed member has its priority equal to 0 and hidden equal to ___________

A. 0
B. flase
C. true
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
2.

In sharded clusters, delayed members have limited utility when the __________ is enabled.

A. Balancer
B. Collector
C. Emitter
D. None of the mentioned
Answer» B. Collector
Discussion
3.

Delayed members apply operations from the _______ on a delay.

A. oplog
B. log
C. mlog
D. none of the mentioned
Answer» B. log
Discussion
4.

Delayed members are a ________ or a running “historical” snapshot of the data set.

A. “rolling backup”
B. “roll backup”
C. “rolling commit”
D. none of the mentioned
Answer» B. “roll backup”
Discussion
5.

Which of the following members should be hidden?

A. Delayed
B. Hidden
C. Primary
D. All of the mentioned
Answer» B. Hidden
Discussion
6.

IN_SHARDED_CLUSTERS,_DELAYED_MEMBERS_HAVE_LIMITED_UTILITY_WHEN_THE____________IS_ENABLED.?$

A. Balancer
B. Collector
C. Emitter
D. None of the mentioned
Answer» B. Collector
Discussion
7.

A_delayed_member_has_its_priority_equal_to_0_and_hidden_equal_to___________$

A. 0
B. flase
C. true
D. all of the mentioned
Answer» D. all of the mentioned
Discussion
8.

Delayed members apply operations from the _______ on a delay?

A. oplog
B. log
C. mlog
D. none of the mentioned
Answer» B. log
Discussion
9.

Delayed members are a ________ or a running “historical” snapshot of the data set$

A. “rolling backup”
B. “roll backup”
C. “rolling commit”
D. none of the mentioned
Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à´roll backup‚Äö√Ñ√∂‚àö√ë‚àöœÄ
Discussion
10.

________ unlocks a mongod instance to allow writes and reverses the operation of a db.fsyncLock() operation.

A. db.fsyncUnlock()
B. db.fsynclock()
C. db.syncUnlock()
D. secondary
Answer» B. db.fsynclock()
Discussion
11.

_______ may block reads, including those necessary to verify authentication.

A. db.lockall()
B. db.fsyncLock()
C. db,lockreads()
D. none of the mentioned
Answer» C. db,lockreads()
Discussion
12.

__________ operations cannot guarantee that the data files do not change.

A. db.lockl()
B. db.synclock()
C. db.fsyncUnlock()
D. secondary
Answer» D. secondary
Discussion
13.

Which of the following members should be hidden ?

A. Delayed
B. Hidden
C. Primary
D. All of the mentioned
Answer» B. Hidden
Discussion