Question 1

Your e-commerce application experiences increased traffic during holiday sales, leading to high write loads on the MongoDB Atlas cluster. Customers are reporting slow checkout times. How can you optimize the cluster to handle the increased write load effectively?

Options :

A : Enable sharding and distribute the collection across multiple shards.

B : Add more read replicas to the cluster.

C : Enable full-text search indexing.

D : Increase the number of indexes on the collection.

Answer: A

Question 2

A financial technology company uses a MongoDB Atlas cluster with multiple shards and replica sets to manage real-time transaction data. They are planning an upgrade from MongoDB version 4.2 to 4.4. To ensure minimal disruption, they need to consider the possibility of a primary election occurring during the upgrade. Which of the following steps should be excluded from their upgrade plan to ensure a smooth process?

Options :

A : Perform the upgrade during off-peak hours to minimize the impact of any primary elections.

B : Manually trigger a primary election to ensure the current primary is upgraded first.

C : Upgrade the secondary nodes of each replica set before upgrading the primary nodes.

D : Notify all stakeholders about the maintenance plan and any potential impacts on the service.

Answer: B

Question 3

A social media company uses a MongoDB Atlas cluster with multiple shards and replica sets to manage user data. They need to perform an upgrade from MongoDB version 4.2 to 4.4 with minimal disruption. During the upgrade, a primary election may occur, changing the primary node of a replica set. Which of the following actions should be excluded from their upgrade plan to ensure a smooth process?

Options :

A : Disable automatic elections during the upgrade process to prevent primary changes.

B : Upgrade the secondary nodes of each replica set before upgrading the primary nodes.

C : Notify all stakeholders about the maintenance plan and schedule.

D : Monitor the cluster-s health and replication lag during the maintenance process.

Answer: A

Question 4

To secure your MongoDB Atlas cluster and ensure that only specific IP addresses can connect to it, what should you configure?

Options :

A : Disable IP whitelisting to reduce complexity.

B : Enable IP whitelisting and add the specific IP addresses.

C : Use a single shared IP address for all users.

D : Use the default open access setting.

Answer: B

Question 5

What describes the difference between MongoDB Atlas clusters and MongoDB Atlas projects?

Options :

A : Atlas clusters consist of the database instances, while Atlas projects group clusters and manage their settings.

B : Atlas clusters and Atlas projects are the same and can be used interchangeably.

C : Atlas clusters are used to manage user roles and permissions, while Atlas projects manage the database instances.

D : Atlas clusters handle billing and subscription settings, while Atlas projects manage the network configurations.

Answer: A

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