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Welcome to the Optimization Strategies for MongoDB MCQs Page

Dive deep into the fascinating world of Optimization Strategies for MongoDB with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Optimization Strategies for MongoDB, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of Optimization Strategies for 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 Optimization Strategies for 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 Optimization Strategies for MongoDB. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Optimization Strategies for MongoDB MCQs | Page 4 of 8

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Q31.
_________ stores a log of the operations in a replica set.

a.

oplog.rs

b.

log.rs

c.

oplog

d.

all of the mentioned

Discuss
Answer: (a).oplog.rs
Q32.
___________ is also used to pre-allocate space for an ordinary collection.

a.

db.createCollection.

b.

db.create

c.

db.createColl

d.

all of the mentioned

Discuss
Answer: (a).db.createCollection.
Q33.
Point out the wrong statement.

a.

Queries need an index to return documents in insertion order

b.

The options document creates a capped collection or preallocates space in a new ordinary collection

c.

Capped collections have maximum size or document counts that prevent them from growing beyond maximum thresholds

d.

None of the mentioned

Discuss
Answer: (a).Queries need an index to return documents in insertion order
Q34.
If you perform a ________ on a capped collection with no ordering specified, MongoDB guarantees that the ordering of results is the same as the insertion order.

a.

find()

b.

write()

c.

modify()

d.

none of the mentioned

Discuss
Answer: (a).find()
Q35.
Which of the following should is used to check whether collection is capped or not?

a.

isCAP()

b.

isCapped()

c.

isColl()

d.

none of the mentioned

Discuss
Answer: (b).isCapped()
Q36.
___________ convert a non-capped collection to a capped collection.

a.

ToCapped

b.

convertToCap

c.

convertToCapped

d.

none of the mentioned

Discuss
Answer: (c).convertToCapped
Q37.
_________ command creates the capped collection and imports the data.

a.

CollectionAsCapped

b.

cloneCollection

c.

cloneCollectionAsCapped

d.

None of the mentioned

Discuss
Answer: (c).cloneCollectionAsCapped
Q38.
Which of the following command obtains a global write lock and will block other operations until it has completed?

a.

ToCapped

b.

isCapped

c.

convertToCapped

d.

None of the mentioned

Discuss
Answer: (b).isCapped
Q39.
Which of the following collection do not support the TTL property?

a.

Compound indexes

b.

Primary indexes

c.

Composite indexes

d.

All of the mentioned

Discuss
Answer: (a).Compound indexes
Q40.
Point out the correct statement.

a.

Data expiration is useful for some classes of information, including machine generated event data, logs, and session information

b.

A special TTL index property supports the implementation of TTL collections

c.

TTL collections make it possible to store data in MongoDB and have the mongod automatically remove data after a specified number of seconds or at a specific clock time

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Page 4 of 8

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