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Azure Fundamentals > Fundamentals > Flashcards

Fundamentals Flashcards

1
Q

What are the 3 cloud platform models

A

IaaS - Infrastructure as a Service

PaaS - Platform as a Service

SaaS - Software as a Service

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2
Q

What are the 3 cloud ownership models?

A

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

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3
Q

Multi-Cloud

A

Leveraging multiple 3rd party clouds as part of your infrastructure

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4
Q

CapEx

A

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

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5
Q

OpEx

A

Operational Expenditure - Recurring expenses e.g. Cloud services

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6
Q

What are the two types of scalability?

A

Horizontal - Adding additional resources

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

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7
Q

What is reliability?

A

Ability of a system to recover from failure and still function

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8
Q

What are tools for managing Azure and Azure Resources?

A
  • Web portal
  • Command line
  • APIs
  • Powershell
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9
Q

What does multi-tenant mean?

A

Access to a resource is not exclusive to

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10
Q

What types of Azure environments are there?

A

Public - Global availability

Sovereign - China, US Gov

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11
Q

How many availability zones to Subscriptions expose?

A

3

AZ1, AZ2, AZ3

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12
Q

What is one useful billing boundary?

A

Subscription

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13
Q

What is a Region?

A

Geographical area with at least one Azure data center

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14
Q

Availability Zone

A

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

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15
Q

What is a Zonal service?

A

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

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16
Q

What is Zone Redundancy?

A

Automatically replicating a Resource across Availability Zones

17
Q

Non Regional Service -

A

Service available from Azure Regions

18
Q

Region Pair

A

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

19
Q

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

A

Brazil.

It replicates to South Central US

20
Q

What are Sovereign Regions?

A

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

21
Q

What is a Subscription

A

A container that logically groups Resources Groups and facilitates billing

22
Q

Billing Boundary

A

Separates Subscriptions based on how they are billed

23
Q

Access Control Boundary

A

Separates Subscriptions by Access Control Polices

24
Q

What is an Azure Management Group ?

A

Hierarchy level above Subscriptions

25
Q

Elasticity

A

Automatically Increasing or decreasing Resources as needed, without over provisioning

26
Q

Agility

A

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

27
Q

Powershell AD

A

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

28
Q

Azure CLI

A

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

29
Q

What is cloud computing?

A

The delivery of computing services over the internet

30
Q

What is Serverless?

A

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

31
Q

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

A

Consumption Plan

32
Q

How are Azure Functions invoked?

A

Triggers

33
Q

How many Bindings can an Azure Function have?

A

Several

34
Q

How many Triggers can an Azure Function have?

A

1

35
Q

What is a Management Group?

A

Construct to manage governance, access and policies

Azure Fundamentals (9 decks)

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