Understanding Replication in MongoDB: Intermediate-Level Quiz

by

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?

2 / 20

_________ play a role in the elections that select a primary if the current primary is unavailable.

3 / 20

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

4 / 20

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

5 / 20

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

6 / 20

The standard replica set deployment for production system is a ___-member replica set.

7 / 20

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

8 / 20

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

9 / 20

How many types of members exist in replica set?

10 / 20

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

11 / 20

You may add an extra mongod instance to a replica set as an __________.

12 / 20

You can also maintain copies in different data centers to increase the locality and availability of data for distributed applications. True or False?

13 / 20

A replica set in MongoDB is a group of mongod processes that provide redundancy and high availability. True or False?

14 / 20

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

15 / 20

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

16 / 20

To support replication, the primary records all changes to its data sets in its _______.

17 / 20

A replica set can have only ________ primary.

18 / 20

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

19 / 20

Which of the member receives all write operations?

20 / 20

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

Your score is

The average score is 0%

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!