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Welcome to the Replication in MongoDB MCQs Page

Dive deep into the fascinating world of Replication in MongoDB with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Replication in MongoDB, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of Replication in MongoDB, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MongoDB.

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Check out the MCQs below to embark on an enriching journey through Replication in MongoDB. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MongoDB.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Replication in MongoDB. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Replication in MongoDB MCQs | Page 5 of 11

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Q41.
The __________ of a replica set affects the outcome of failover situations.

a.

deployment

b.

architecture

c.

structure

d.

all of the mentioned

Discuss
Answer: (a).deployment
Q42.
Point out the wrong statement.

a.

Administrators must apply or discard rollback data manually

b.

Network partitions could not prevent the set from being able to form a majority

c.

Replica sets remove “rollback” data when needed without intervention

d.

None of the mentioned

Discuss
Answer: (b).Network partitions could not prevent the set from being able to form a majority
Q43.
A rollback reverts _______ operations on a former primary when the member rejoins the replica set after a failover.

a.

read

b.

write

c.

view

d.

secondary

Discuss
Answer: (b).write
Q44.
A priority __ member is a secondary that cannot become primary.

a.

0

b.

1

c.

2

d.

None of the mentioned

Discuss
Answer: (a).0
Q45.
Point out the correct statement.

a.

Elections does not occur when the primary becomes unavailable and the replica set members autonomously select a new primary

b.

A priority 1 member maintains a copy of the data set, accepts read operations, and votes in elections

c.

In a two-member replica set, in one data center hosts the primary and a secondary.

d.

None of the mentioned

Discuss
Answer: (a).Elections does not occur when the primary becomes unavailable and the replica set members autonomously select a new primary
Q46.
A second data center hosts one priority 0 member that cannot become ___________

a.

primary

b.

write

c.

view

d.

Secondary

Discuss
Answer: (a).primary
Q47.
A ______ member maintains a copy of the primary’s data set but is invisible to client applications.

a.

primary

b.

delayed

c.

hidden

d.

none of the mentioned

Discuss
Answer: (c).hidden
Q48.
The db.________ method does not display hidden members.

a.

isPrima ry()

b.

isMaster()

c.

Master()

d.

none of the mentioned

Discuss
Answer: (b).isMaster()
Q49.
In a sharded cluster _______ do not interact with hidden members.

a.

mongod

b.

mongos

c.

mongostore

d.

all of the mentioned

Discuss
Answer: (b).mongos
Q50.
Which of the following members should be hidden?

a.

Delayed

b.

Hidden

c.

Primary

d.

All of the mentioned

Discuss
Answer: (a).Delayed
Page 5 of 11

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