AZ-900 Core Cloud Computing Concepts 3

Question 1

What is the term for distributing resources across multiple separated geographic locations for resilience?

Accepted Answer

Geo-redundancy

Answer

Geo-redundancy replicates resources across separate regions to protect against regional failures.

Question 2

Adding more CPU and RAM to an existing virtual machine is an example of what?

Accepted Answer

Vertical scaling

Answer

Vertical scaling (scaling up) adds more power to an existing instance.

Question 3

Which cloud benefit lets a company deploy new applications quickly without procuring hardware?

Accepted Answer

Agility

Answer

Agility is the ability to rapidly develop and deploy applications without hardware delays.

Question 4

Which service model is best suited for developers who want to deploy code without managing servers or OS?

Accepted Answer

PaaS

Answer

PaaS provides a managed platform so developers focus on code, not infrastructure.

Question 5

What is the primary purpose of a Service Level Agreement (SLA) in the cloud?

Accepted Answer

To formally guarantee a level of service such as uptime

Answer

An SLA is a formal commitment defining guaranteed performance metrics like uptime.

AZ-900 Practice Test