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Welcome to the Sharding Concepts and Sharded Cluster MCQs Page

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

Sharding Concepts and Sharded Cluster MCQs | Page 8 of 10

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Q71.
The preferred way to clear the _________ flag from a chunk is to attempt to split the chunk.

a.

boolean

b.

jumbo

c.

change

d.

all of the mentioned

Discuss
Answer: (b).jumbo
Q72.
Point out the correct statement.

a.

In some instances, MongoDB cannot split the no-longer jumbo chunk, such as a chunk with a range of single shard key value

b.

To ensure that mongos instances update their cluster information cache, run flushConfig in the admin database

c.

In a sharded cluster, you cannot use tags to associate specific ranges of a shard key with a specific shard or subset of shards

d.

All of the mentioned

Discuss
Answer: (a).In some instances, MongoDB cannot split the no-longer jumbo chunk, such as a chunk with a range of single shard key value
Q73.
_________ is used to remove tags from a particular shard.

a.

sh.removeTag()

b.

sh.removeShard()

c.

sh.removeShardTag()

d.

all of the mentioned

Discuss
Answer: (c).sh.removeShardTag()
Q74.
________ associates a shard with a tag or identifier.

a.

sh.collects()

b.

sh.addShardTag

c.

sh.results()

d.

all of the mentioned

Discuss
Answer: (b).sh.addShardTag
Q75.
Point out the wrong statement.

a.

You cannot overlap defined ranges, or tag the same range more than once

b.

The mongod provides a helper for removing a tag range

c.

The output from sh.status() lists tags associated with a shard, if any, for each shard

d.

None of the mentioned

Discuss
Answer: (b).The mongod provides a helper for removing a tag range
Q76.
To assign a tag to a range of shard keys use the _________ method when connected to a mongos instance.

a.

sh.addTagRange()

b.

sh.splitFind()

c.

sh.Range()

d.

all of the mentioned

Discuss
Answer: (a).sh.addTagRange()
Q77.
Each document in the tags holds the ________ of the sharded collection and a minimum shard key value.

a.

tag

b.

chunk

c.

namespace

d.

size

Discuss
Answer: (c).namespace
Q78.
Which of the following parameter represents minimum value of the shard key range to include in the tag?

a.

min

b.

max

c.

maximum

d.

minimum

Discuss
Answer: (d).minimum
Q79.
Use ________ to ensure that the balancer migrates documents that exist within the specified range to a specific shard.

a.

sh.addShardTag()

b.

sh.addTag()

c.

sh.aShardTag()

d.

all of the mentioned

Discuss
Answer: (a).sh.addShardTag()
Q80.
Which of the following parameter denotes name of the shard from which to remove a tag?

a.

shard

b.

tag

c.

chunk

d.

none of the mentioned

Discuss
Answer: (a).shard
Page 8 of 10

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