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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 9 of 11

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Q81.
Point out the wrong statement.

a.

To change the size of the oplog, you must perform maintenance on each member of the replica set in turn

b.

Always start rolling replica set maintenance with the secondaries, and finish with the maintenance on primary member

c.

The oplog exists internally as a capped collection

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q82.
To finish the rolling maintenance operation, step down the primary with the _________ method.

a.

rs.syncFrom()

b.

rs.stepDown()

c.

rs.synchrepl()

d.

secondary

Discuss
Answer: (b).rs.stepDown()
Q83.
You also can force a member never to become primary by setting its priority value to ___________

a.

1

b.

2

c.

3

d.

0

Discuss
Answer: (d).0
Q84.
Point out the correct statement.

a.

Replica sets allow a MongoDB deployment to remain available during the majority of a maintenance window

b.

Always start mongod with the same user, even when restarting a replica set member as a standalone instance

c.

The secondary takes time to catch up to the primary

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q85.
A replica set member becomes _________ when its replication process falls so far behind that the primary overwrites oplog entries the member has not yet replicated.

a.

stale

b.

state

c.

dead

d.

secondary

Discuss
Answer: (a).stale
Q86.
During initial sync, mongod will remove the content of the _______

a.

dbPathSync

b.

Path

c.

dbPath

d.

none of the mentioned

Discuss
Answer: (c).dbPath
Q87.
You cannot use a _________backup for the data files, only a snapshot backup.

a.

mongorestore

b.

mongodump

c.

bsondump

d.

rs.syncFrom()

Discuss
Answer: (b).mongodump
Q88.
You can use the ________ setting in Replica Set Configuration to disable chained replication for situations where chained replication is causing lag.

a.

chainingAllowed

b.

chainingDisAllowed

c.

chainingAllow

d.

none of the mentioned

Discuss
Answer: (a).chainingAllowed
Q89.
For most replica sets, the hostnames in the _________ field never change.

a.

tag

b.

host

c.

rs

d.

none of the mentioned

Discuss
Answer: (b).host
Q90.
Point out the wrong statement.

a.

Primary capture data from the primary member to maintain an up to date copy of the sets’ data

b.

For some deployments, implementing a custom replication sync topology may be more effective than the default sync target selection logic

c.

MongoDB provides the ability to specify a host to use as a sync target

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Page 9 of 11

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