Understanding Replication in MongoDB: Intermediate-Level Quiz

Understanding Replication in MongoDB

This quiz covers MongoDB replication, focusing on how replica sets ensure data redundancy and high availability. You’ll explore key concepts like primary and secondary nodes, data synchronization, and failover mechanisms. Good luck!

1 / 20

Clients have the ability to send read and write operations to different servers. True or False?

True

False

2 / 20

When a replica set has one and only one primary, reads from that primary provide ______ consistency.

partial

weak

strict

none of the above

3 / 20

A _______ set is a group of mongod instances that host the same data set.

replica

copy

radii

sorted

4 / 20

The minimum requirements for a replica set are: A primary, a secondary, and an arbiter True or False?

True

False

5 / 20

The architecture of a replica set affects the set’s _________ and capability.

performance

capacity

scalability

none of the above

6 / 20

Which of the following may be non-voting or priority 0?

center

secondary

primary

none of the above

7 / 20

How many types of members exist in replica set?

8 / 20

_________ member is used to support dedicated functions, such as backup or reporting.

Hidden

Primary

Secondary

ViewState

9 / 20

Replication provides redundancy and increases data availability. True or False?

True

False

10 / 20

_________ for a replica set is the number of members that can become unavailable and still leave enough members in the set to elect a primary.

Fault tolerance

Security

Reliability

None of the above

11 / 20

Replication provides scalability and increases data redundancy. True or False?

True

False

12 / 20

If the current primary becomes unavailable, the replica set holds an ______ to choose which of the secondaries becomes the new primary.

clasification

election

replication

none of the above

13 / 20

In all cases, you can use replication to increase read capacity. True or False?

True

False

14 / 20

_________ replicate operations from the primary to maintain an identical data set.

Primary

Secondary

Center

None of the above

15 / 20

Removing a member from the replica set does not always increase the fault tolerance. True or False?

True

False

16 / 20

An arbiter will always be an arbiter whereas a primary may step down and become a secondary and a _________ may become the primary during an election.

primary

secondary

center

none of the above

17 / 20

A replica set can have only ________ primary.

18 / 20

Which of the member receives all write operations?

Primary

Secondary

Center

None of the above

19 / 20

When a primary does not communicate with the other members of the set for more than ____ seconds, the replica set will attempt to select another member to become the new primary.

20 / 20

With multiple copies of data on different database servers, replication protects a database from the loss of a single server.

True

False

Your score is

The average score is 0%

Replication in MongoDB involves creating multiple copies of data across different servers, ensuring high availability and fault tolerance. It also involves setting up replica sets, managing primary and secondary nodes, and handling failover events to keep data accessible even during system failures.

This quiz is for database administrators and IT professionals managing high-availability systems who wish to test their ability to ensure data reliability, disaster recovery, and seamless failover in MongoDB environments.

Good luck!