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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 1 of 11

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Q1.
A _______ set is a group of mongod instances that host the same data set.

a.

copy

b.

sorted

c.

radii

d.

replica

Discuss
Answer: (d).replica
Q2.
Point out the wrong statement.

a.

Replication provides redundancy and increases data availability

b.

Replication allows you to recover from hardware failure and service interruptions

c.

With multiple copies of data on different database servers, replication protects a database from the loss of a single server

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q3.
All other instances, secondaries, apply operations from the _________ so that they have the same data set.

a.

center

b.

secondary

c.

primary

d.

none of the mentioned

Discuss
Answer: (c).primary
Q4.
A replica set can have only ________ primary.

a.

One

b.

Two

c.

Three

d.

All of the mentioned

Discuss
Answer: (a).One
Q5.
Point out the wrong statement.

a.

In all cases, you can use replication to increase read capacity

b.

Clients have the ability to send read and write operations to different servers

c.

You can also maintain copies in different data centers to increase the locality and availability of data for distributed applications

d.

None of the mentioned

Discuss
Answer: (a).In all cases, you can use replication to increase read capacity
Q6.
To support replication, the primary records all changes to its data sets in its _______

a.

oplog

b.

adlog

c.

log

d.

none of the mentioned

Discuss
Answer: (a).oplog
Q7.
You may add an extra mongod instance to a replica set as an __________

a.

arbiter

b.

replicator

c.

additor

d.

all of the mentioned

Discuss
Answer: (a).arbiter
Q8.
An arbiter will always be an arbiter whereas a primary may step down and become a secondary and a _________ may become the primary during an election.

a.

center

b.

secondary

c.

primary

d.

none of the mentioned

Discuss
Answer: (b).secondary
Q9.
When a primary does not communicate with the other members of the set for more than ____ seconds, the replica set will attempt to select another member to become the new primary.

a.

10

b.

20

c.

30

d.

None of the mentioned

Discuss
Answer: (a).10
Q10.
When a replica set has one and only one primary, reads from that primary provide ______ consistency.

a.

strict

b.

partial

c.

weak

d.

all of the mentioned

Discuss
Answer: (a).strict
Page 1 of 11

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