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Welcome to the Security Concepts in MongoDB MCQs Page

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

Security Concepts in MongoDB MCQs | Page 2 of 13

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Q11.
Point out the correct statement.

a.

A limit() value of 0 (i.e. .limit(0)) is equivalent to setting no limit

b.

The behavior of limit() is undefined for values less than -231 and greater than 231

c.

You can use the ulimit command at the system prompt to check system limits

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q12.
Which of the following collection is capped?

a.

system.index

b.

system.replica

c.

system.profile

d.

all of the mentioned

Discuss
Answer: (c).system.profile
Q13.
The ___________ provides information for various lock types and lock modes held during the operation.

a.

admin.system.authlocks

b.

system.profile.locks

c.

admin.system.locks

d.

all of the mentioned

Discuss
Answer: (b).system.profile.locks
Q14.
Point out the wrong statement.

a.

Beginning with version 3.0, MongoDB ships with the WiredTiger storage engine

b.

Some global operations, typically short lived operations involving multiple databases, still require a global “instance-wide” lock

c.

The MMAPv1 storage engine uses collection-level locking

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q15.
Which of the following keyword represents lock on the collection?

a.

Database

b.

Collection

c.

Metadata

d.

All of the mentioned

Discuss
Answer: (b).Collection
Q16.
How many types of locking modes exist in MongoDB?

a.

1

b.

2

c.

3

d.

More than 3

Discuss
Answer: (d).More than 3
Q17.
Which of the following represents number of times the operation acquired the lock in the specified mode?

a.

system.profile.locks.acquireCount

b.

system.profile.locks.acquireWaitCount

c.

system.profile.locks.Count

d.

none of the mentioned

Discuss
Answer: (a).system.profile.locks.acquireCount
Q18.
__________ can be used to limit the size of the result document for a query operation.

a.

limit()

b.

aggregate()

c.

skip()

d.

none of the mentioned

Discuss
Answer: (a).limit()
Q19.
Which of the following code is used for the successful exit of task?

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q20.
Point out the correct statement.

a.

2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection

b.

When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys

c.

Both 2 and 4 are returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection

d.

All of the mentioned

Discuss
Answer: (a).2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
Page 2 of 13

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