Azure Fundamentals AZ-900 1

Which of the following models is referred to as the traditional cloud model?

• Private cloud

• Hybrid cloud

• Community cloud

• Public cloud

Answer explanation

The public cloud model is referred to as the traditional cloud model. The most common cloud model is the public cloud model, users use a shared infrastructure that is accessible on a public network.

Which of the following processes is used for adding additional resources to the user's application?

• Fault tolerance

• Alerting

• Availability zone

• Scaling

Answer explanation

Scaling is the process of adding additional resources or additional power to the user's application. There are two variations of scaling, namely, horizontal scaling and vertical scaling.

Which of the following services comes under the PaaS (platform as a service) category?

• Microsoft 365

• Xbox Live

• OneDrive

• Azure Storage

Answer explanation

Azure Storage comes under the PaaS category. It includes an object, file, disk, queue, and table storage. There are also services for hybrid storage solutions and services to transfer, share, and back up data.

Which of the following clouds is referred to as a single-tenant environment?

• Public

• Hybrid

• Community

• Private

Answer explanation

The private cloud is referred t as a single-tenant environment, as the resources in a private cloud are dedicated to a single organization.

Which of the following concepts is designed to deal with failure at a small scale?

• Scalability

• Elasticity

• Agility

• Fault tolerance

Answer explanation

Fault tolerance is designed deal with failure at a small scale; for example, fault tolerance can move users from an unhealth VM (virtual machine) to a healthy VM.

Which of the following benefits do users gain by hosting their applications in the cloud?

• Diagnostics tool

• Availability

• Elasticity

• Agility

Answer explanation

The diagnostics tool is the benefit that users gain by hosting their applications n the cloud. As application users grow, enterprises can scale and run the applications on multiple VMs. Azure diagnostic extensions help Azure users to monitor the health of the application instances running on each of these VM<s

What is the reason due to which you might lose availability?

• System outage

• Fault tolerance

• Disaster recovery

• Service outage