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Welcome to the MongoDb Administration Concepts MCQs Page

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

MongoDb Administration Concepts MCQs | Page 5 of 6

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Q41.
_____ bit builds of mongod enable journaling by default.

a.

8

b.

16

c.

32

d.

64

Discuss
Answer: (d).64
Q42.
Which of the following provide acceptable performance levels for multiple mongod instances?

a.

GridFS

b.

SST

c.

MMS

d.

SSD

Discuss
Answer: (d).SSD
Q43.
What is the size of Chunk by default?

a.

64 MB

b.

64 GB

c.

64 KB

d.

32 MB

Discuss
Answer: (a).64 MB
Q44.
Which of the following sets the database profiler level?

a.

systemLog.verbosity

b.

operationProfiling.mode

c.

operationProfiling.slowOpThresholdMs

d.

none of the mentioned

Discuss
Answer: (b).operationProfiling.mode
Q45.
Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system?

a.

systemLog.verbosity

b.

operationProfiling.mode

c.

operationProfiling.slowOpThresholdMs

d.

none of the mentioned

Discuss
Answer: (c).operationProfiling.slowOpThresholdMs
Q46.
________ contains a counter of the total number of clients with active operations in progress or queued.

a.

globalLock.active

b.

localLock.activeClients

c.

globalLock.activeClients

d.

all of the mentioned

Discuss
Answer: (c).globalLock.activeClients
Q47.
Point out the correct statement.

a.

In MongoDB 3.0, cursor.explain() returns the indexOnly field to indicate whether the index covered a query

b.

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

c.

For read-heavy applications, deploy sharding and add one or more shards to a sharded cluster to distribute load among mongod instances

d.

All of the mentioned

Discuss
Answer: (b).When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys
Q48.
The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources.

a.

admin.system.role

b.

admin.system.roles

c.

admin.system.roleasign

d.

all of the mentioned

Discuss
Answer: (b).admin.system.roles
Q49.
The _________ field provides the amount of resident memory in use.

a.

mem.resident

b.

memory.resident

c.

mem.resident

d.

all of the mentioned

Discuss
Answer: (c).mem.resident
Q50.
Point out the correct statement.

a.

MongoDB distributions are currently available for Mac OS X, Linux, Windows Server 2012, Windows Server 2008 R2 64bit, Windows 7 (64 bit), Windows Vista, and Solaris

b.

The MongoDB distribution for Solaris include support for the WiredTiger storage engine

c.

mongod will not start if dbPath contains data files created by a storage engine

d.

None of the mentioned

Discuss
Answer: (b).The MongoDB distribution for Solaris include support for the WiredTiger storage engine
Page 5 of 6

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