MongoDB Multiple choice Questions and Answers-Sharding Concepts and Sharded Cluster

1.	MongoDB uses _________ to support deployments with very large data sets and high throughput operations.
a.	sharding
b.	replication
c.	replica sets
d.	all of the mentioned

Discuss

Answer: (a).sharding

2.	Point out the correct statement.
a.	High query rates can exhaust the CPU capacity of the server
b.	Database systems with small data sets and high throughput applications can challenge the capacity of a single server
c.	Smaller data sets exceed the storage capacity of a single machine
d.	All of the mentioned

Discuss

Answer: (a).High query rates can exhaust the CPU capacity of the server

3.	How many types of sharding exist in MongoDB?
a.	1
b.	2
c.	3
d.	All of the mentioned

Discuss

Answer: (b).2

4.	_______ scaling adds more CPU and storage resources to increase capacity.
a.	Horizontal
b.	Vertical
c.	Partition
d.	All of the mentioned

Discuss

Answer: (b).Vertical

5.	Point out the wrong statement.
a.	Scaling by adding capacity do not have limitations.
b.	cloud-based providers may only allow users to provision smaller instances
c.	There is a practical maximum capability for vertical scaling
d.	All of the mentioned

Discuss

Answer: (a).Scaling by adding capacity do not have limitations.

6.	_______ divides the data set and distributes the data over multiple servers, or shards.
a.	Vertical
b.	Sharding
c.	Partition
d.	All of the mentioned

Discuss

Answer: (b).Sharding

7.	MongoDB supports sharding through the configuration of a sharded ______
a.	shapes
b.	clusters
c.	sets
d.	all of the mentioned

Discuss

Answer: (b).clusters

8.	How many components are present in sharded cluster?
a.	1
b.	2
c.	3
d.	4

Discuss

Answer: (b).2

9.	To provide high availability and data consistency, in a production sharded cluster, each shard is a ___________
a.	replica set
b.	cluster
c.	partition
d.	all of the mentioned

Discuss

Answer: (a).replica set

10.	_________ interface with client applications and direct operations to the appropriate shard or shards.
a.	Query Parsers
b.	Query Routers
c.	Query Executors
d.	None of the mentioned

Discuss

Answer: (b).Query Routers