Fundamentals

Question 1

What are the 3 cloud platform models

Answer 1

IaaS - Infrastructure as a Service

PaaS - Platform as a Service

SaaS - Software as a Service

Question 2

What are the 3 cloud ownership models?

Answer 2

Private - Cloud services provided by company owned resources

Hybrid - Combination of privately owned infrastructure and public cloud infrastructure

Public - Cloud services provided by 3rd party external provider. Available publicly

Question 3

Multi-Cloud

Answer 3

Leveraging multiple 3rd party clouds as part of your infrastructure

Question 4

CapEx

Answer 4

Capital Expenditure - One time, initial purchase. Depreciates over time

Question 5

OpEx

Answer 5

Operational Expenditure - Recurring expenses e.g. Cloud services

Question 6

What are the two types of scalability?

Answer 6

Horizontal - Adding additional resources

Vertical - Adding more capability to existing resources (more CPU or Ram, for example)

Question 7

What is reliability?

Answer 7

Ability of a system to recover from failure and still function

Question 8

What are tools for managing Azure and Azure Resources?

Answer 8

• Web portal
• Command line
• APIs
• Powershell

Question 9

What does multi-tenant mean?

Answer 9

Access to a resource is not exclusive to

Question 10

What types of Azure environments are there?

Answer 10

Public - Global availability

Sovereign - China, US Gov

Question 11

How many availability zones to Subscriptions expose?

Answer 11

3

AZ1, AZ2, AZ3

Question 12

What is one useful billing boundary?

Answer 12

Subscription

Question 13

What is a Region?

Answer 13

Geographical area with at least one Azure data center

Question 14

Availability Zone

Answer 14

Physically separate data center with isolated power, cooling, and networking

Question 15

What is a Zonal service?

Answer 15

A service that is “pinned” to a specific availability zone. Cannot simultaneously exist in multiple availability zones

Question 16

What is Zone Redundancy?

Answer 16

Automatically replicating a Resource across Availability Zones

Question 17

Non Regional Service -

Answer 17

Service available from Azure Regions

Question 18

Region Pair

Answer 18

Regions in the same geo-political boundary that contain replicated Resources

Question 19

What is the only Azure Region that does not replicate geographically?

Answer 19

Brazil.

It replicates to South Central US

Question 20

What are Sovereign Regions?

Answer 20

Regions for governments or countries that are isolated from the main Azure instance

Question 21

What is a Subscription

Answer 21

A container that logically groups Resources Groups and facilitates billing

Question 22

Billing Boundary

Answer 22

Separates Subscriptions based on how they are billed

Question 23

Access Control Boundary

Answer 23

Separates Subscriptions by Access Control Polices

Question 24

What is an Azure Management Group ?

Answer 24

Hierarchy level above Subscriptions

Question 25

Elasticity

Answer 25

Automatically Increasing or decreasing Resources as needed, without over provisioning

Question 26

Agility

Answer 26

Ability to quickly allocate or deallocate Resources. This not necessarily automatic

Question 27

Powershell AD

Answer 27

An Azure variant of the Powershell shell for interacting with Azure services

Question 28

Azure CLI

Answer 28

CLI interface for interacting with Azure services and Resources that supports Bash

Question 29

What is cloud computing?

Answer 29

The delivery of computing services over the internet

Question 30

What is Serverless?

Answer 30

An abstraction about the OS layer. Only cares about getting work done. Event-driven. Triggered by events or bindings.

Question 31

What app service plan should Azure Functions use to be truly Serverless?

Answer 31

Consumption Plan

Question 32

How are Azure Functions invoked?

Answer 32

Triggers

Question 33

How many Bindings can an Azure Function have?

Answer 33

Several

Question 34

How many Triggers can an Azure Function have?

Answer 34

1

Question 35

What is a Management Group?

Answer 35

Construct to manage governance, access and policies