Azure AZ-900 Interview Questions: IaaS Exam Prep Quiz and Flashcards

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Questions and Answers

What is the term used to describe the ability of an application to handle growing amount of work without degrading performance?

High Availability

Fault Tolerance

Scalability (correct)

Agility

What type of scaling configuration involves increasing the capacity of existing hardware or machine?

Pay as you go

Horizontal or Scale Out

Moving from Capex to Opex

Vertical or Scale Up (correct)

Which benefit of cloud computing involves paying for the resources used?

High Availability

Agility

Pay as you go (correct)

Scalability

What does horizontal scaling involve?

Increasing the count of machines without increasing the capacity Signup and view all the answers

What type of scaling configuration increases the count of machines without increasing the capacity?

Horizontal or Scale Out Signup and view all the answers

Which type of scaling configuration enables increasing computing power in parallel?

Horizontal or Scale Out Signup and view all the answers

What does the term 'High Availability' refer to in the context of cloud computing?

The availability of the application for its end users, with zero downtime Signup and view all the answers

What is the most lucrative benefit of cloud computing according to the text?

Pay as you go Signup and view all the answers

What does 'Moving from Capex to Opex' stand for in the context of cloud computing?

Shifting investment from hardware cost to operational cost on a monthly or yearly basis Signup and view all the answers

What is the concept of 'Microsoft Azure' based on?

Cloud computing capabilities Signup and view all the answers

What does 'Fault Tolerance' refer to in the context of cloud computing?

The ability of the system to continue operating in full capacity in the event of failure of some of its components Signup and view all the answers

What does 'Pay as you go' mean in the context of cloud computing?

Paying only for what resources are used on a per minute billing basis Signup and view all the answers

How does 'IaaS' relate to cloud computing?

It offers virtualized computing resources over the internet Signup and view all the answers

'PaaS' stands for:

'Platform as a Service', offering virtualized computing resources over the internet Signup and view all the answers

'SaaS' refers to:

'Software as a Service', providing access to software and its functions over the internet Signup and view all the answers

What does 'moving from Capital Expenditure to Operational Expenditure' mean?

Shifting investment from hardware cost to operational cost on a monthly or yearly basis. Signup and view all the answers

Study Notes

Cloud Computing Concepts

Scalability refers to an application's ability to handle growing amounts of work without degrading performance.

Scaling Configurations

Vertical scaling involves increasing the capacity of existing hardware or machines.
Horizontal scaling involves increasing the count of machines without increasing capacity.
Distributed scaling enables increasing computing power in parallel.

Cloud Computing Benefits

Pay-as-you-go pricing allows users to pay only for the resources used.
High Availability refers to a system's ability to remain operational despite hardware or software failures.

Cloud Computing Concepts (continued)

'Moving from Capex to Opex' means shifting from capital expenditures to operational expenditures.
Microsoft Azure is based on a cloud computing concept.

Cloud Computing Reliability

Fault Tolerance refers to a system's ability to continue operating despite component failures.

Cloud Computing Services

IaaS (Infrastructure as a Service) is a cloud computing service model.
PaaS (Platform as a Service) is a cloud computing service model that provides a platform for developing and deploying applications.
SaaS (Software as a Service) is a cloud computing service model that provides software applications over the internet.

Financial Benefits of Cloud Computing

'Pay as you go' means paying for cloud resources only as needed, reducing upfront capital expenditures.
Shifting from Capital Expenditure (Capex) to Operational Expenditure (Opex) reduces upfront costs and increases flexibility.

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Description

Test your knowledge of cloud computing essentials with this quiz focusing on hardware, licenses, OS management, backup, and pay-as-you-go pricing model. Explore the benefits and advantages of cloud computing including scalability, high availability, agility, cost optimization, fault tolerance, and more.