Scott Duffy AZ-900 Exam Prep

how many azure service options

1000+

Right now, there are more than _____ Azure regions in the world

60+

______ - Microsoft users an use this to improve reliability of applications running on top of an Azure platform

Availability Sets

What are examples of some free Microsoft cloud services?

VN Private IP address Azure Migrate Inbound traffic 5g of outbound Azure AD Azure Policy 1 mil executions Azure Functions Azure App Service

_____is on-premise option that is virtualized: easier to work with creating and deleting machines Ex: SQL Server Private Cloud

Virtual Virtualized machines and applications

Example of cloud services that charge by time

Virtual machine App services Databases Load balances Managed storage Public IP address

Computing Resources

Windows and Linux Servers Unlimited File Storage Database services Queues content Delivery Network batch processing jobs Big Data- Hadoop Media Services machine Learning Chat Bots Cognitive Services

What is hybrid licensing?

cut your cloud computing bill in half

Example of cloud services that charge for operations

unmanaged storage (reads, writes, deletes) databases (queries) messaging usually charged in bulk - per 1000

When you use software as a service you are responsible for

you are renting, so you don't have the code and you can't control the version highest level of abstraction You authentication platform (Shared) user accounts devices data Microsoft building security physical network security physical computer security operating system patches application settings network and firewall settings

How does Azure Stack work?

you purchase the stack software install it on your own hardware run a version privately

True or False: Amazon has the largest network among all the cloud providers

False: Microsoft does

Looks and act like a cloud, except customer owns or leases or has exclusive hardware access = _____________ cloud

Private cloud

True or False: Azure owns the hardware on their network and infrastructure and they are basically renting it out to you in the private cloud

True

True or False: Microsoft provides FREE denial of service attack protection at a basic level but you can pay for a sophisticated level on more of your apps

True

True or False: There is a Public cloud of Microsoft azure where anyone can sign up for an account with a cc and start using services right away

True

True or false: With PaaS, you have to choose an App Service Plan

True

____ is designed to support the complete web application lifecycle: building, testing, deploying, managing and updating

PaaS

the ______ is defined as computing services offered either over the internet or a private internal network and only to select users instead of the general public

Private Cloud

____free application that helps you get your services from on premise to the cloud

Azure Migrate

What are the two Azure governance tools?

Azure Policy Blueprints

allows you to make generalized policies across your organization. You can make policies that apply to all your subscriptions. Or you can create specific granular policies that apply to certain depts and applications

Azure Policy and Blueprints

What is Azure's Private Cloud offering called?

Azure Stack

Example of cloud services that charge per execution

Azure functions (consumption model) serverless databases messaging services logic apps (consumption model)

Upfront investment costs include

CapEx (capital expenditure) - servers, hardware, etc OpEx (operating expenditure)- electricity, employees, etc

___ is a microsoft tool used to stimulate failures and see how your system responds

Chaos Studio

How to create a VM

Click compute to create virtual machine multiple geographic options Marketplace lets you choose the server choose the hardware - Instance 600 different VM sizes specify CPUs and RAM choose encryption options choose run hours and shutoff set up backup enable disaster recovery Automatic or manual updating Microsoft then provisions machine for us to be available in 5 minutes it has a public IP address charged per minute and hour when you're done you can stop and delete it

Azure Serverless Offers include

Compute- Azure Functions Compute - Serverless Kubernetes (Virtual Nodes with ACI) Database -Azure SQL Database Serverless Database - Cosmos DB Serverless

the most significant benefit of cloud computing for some people is

Cost Savings

Example of cloud services that charge by GB

Database Storage Backups Unmanaged disks network Traffic (bt regions) network traffic (more than 5GB/month egress from Azure)

What is DDOS

Distributed Denial of Service

With cloud, what are the pricing options

Free By time By GB for operations' per execution

idea that you are able to deploy to multiple geographical regions around the world improves the reliability of your application

Global Reach

other cloud computing companies

Google Azure AWS IBM

Ex: you have a SQL server installed locally and all your data is runing locally but then you need to have an archive data set or backup your data so you do so in the cloud automated job backs it up nightly and puts those files into an Azure storage account what is this an example of?

Hybrid Cloud

what is it called when you run the hardware on your computer but leverage cloud services?

Hybrid cloud

Virtual machines, networking, load balancers and firewalls are example of ____cloud service

IaaS

____ cloud service is a virtual machine or network

IaaS

______ is the lowest level of services in the cloud

IaaS

___________is basically a virtualized version of what you already have running in your own environment

IaaS

if all you wanted to do was migrate your services from on premise to cloud, you can do that with what model type?

IaaS

_____ is a cloud service where YOU take on full responsibility

IaaS You are just configuring the essential

_____ is a type of cloud computing service that offers essential compute, storage, and networking resources on demand, on pay as you go basis

IaaS Infrastructure as a Service

Like ___, _____ includes infrastrucutre, servers, storage and networking, but also middleware, dev tools, business intelligence services, database management systems, and more"

IaaS PaaS

The cloud models are

IaaS PaaS SaaS Serverless

Which cloud service is highest cost and highest admin?

IaaS infrastructure as a service

What are the cloud service types?

IaaS (infrastructure as a service) PaaS (platform as a service) SaaS (Software as a service)

_____ is the number 1 attack vector

Identity

_____is on-premise option that is: highest cost highest level of admin most difficult to run Ex: SQL Server

Physical Server machine running on your own environment (not cloud) Phsyical machines (raw iron)

_____ is a complete development and deployment environment

Platform as a service

_____ is sometimes called cloud native

Platform as a service

three options to running services

On Premise- your office expertise and expensive hsting - sign contract with a hoster cloud - servers are available to you and hundreds of services on demand. great for small companies too

When you run your own services on premises, you are responisble for

Own Premises - server installed in office- you are responsible for everything building security physical network security computer security operating system patches application settings network and firewall settings authentication platform user accounts devices data

In _____ you're effectively working with your code and you are working with configuration but you don't have direct access to the server

PaaS

With ___ cloud model, scaling is your responsibility

PaaS

___ cloud model is where you are going to integrate with GitHub

PaaS

____________is defined as computing services offered by third-party providers over the public Internet, making them available to anyone who wants to use or purchase them

Public Cloud

____ are specifically designed to have the fastest connection between regions

Region Pairs

___ are geographical areas that have Azure servers

Regions

Microsoft Office 365 is an example of ___cloud model

SaaS

_____ allows users to connect to and use cloud-based apps over the internet. Common examples are email, calendaring and office tools (such as Microsoft Office 365)

SaaS

With ___ cloud models, scaling is not your responsibility

SaaS Serverless

for this cloud model, you are just configuring these tools and providing them your data

Saas

A linux machine requires what upon set up

Security Keys SSH assigned Keys

With ____ you have even less access to the server than PaaS and how it is running

Serverless

___ cloud model means you are just paying for execution

Serverless

___ is basically a pricing model (consumption-based) but running on demand. There are still servers, you just don't ever have to deal with them. Azure can split up your code to run on multiple servers.

Serverless

Microsoft publishes___ for their services with expectations of availability

Service Level Agreements (SLAs)

Windows machines require what three things upon set up

Username Password administrator

______ concept that you have certain responsibilities as a customer and vendor

Sharing Responsibility

Which cloud service is lowest cost and lowest admin?

Software as a service

cloud service with highest level of abstraction

Software as a service

When you run services in the cloud on an App Service you are responsible for

Some app settings and network settings you can set up. Not responsible for the OS You application settings (shared) network and firewall settings (shared) authentication platform (Shared) user accounts devices data Microsoft building security physical network security physical computer security operating system patches

True or False: cloud pricing is very geographically dependent

TRUE

What is the cloud?

There is no cloud. It is just someone else's company and computer cloud computing as a model Microsoft runs and employees develop services on top of that renting cloud

When you run services in the cloud using a VM, you are responsible for ex. you get a linux or windows server

You operating system patches application settings network and firewall settings authentication platform user accounts devices data Microsoft building security physical network security physical computer security

what happens when your number of concurrent users exceeds your max capacity

app failure

___is when it is easy to provision more as required

autoscaling

______ is the ability to rent cloud resources on demand with no upfront cost

cloud computing

Benefits of cloud computing

cost savings - both real and accounting availability and scalability reliability and predictability security and governance manageability global reach range of ready on-demand services range of tools

A ___________ is when an attacker tries to overwhelm a server with so much traffic that no other legitimate customer can get to that server

distributed denial of service

Why is it cheaper to rent cloud services from Microsoft Azure?

economies of scale - ms purchases hardware for cheaper total cost of ownership

the ability of a system to automatically grow and shrink based on demand

elasticity

True or False: you as a customer have access to all regions

false

True or False: there are not clouds specifically for government depts

false: there are and you have to prove your association to the government entity to get access to the government cloud

True or false: Most of the time, regions in region pairs are not in the same geography

false: almost always they are

If you are operating at 99.99% of availability, that means you are only experiencing ____ minutes of downtime

four minutes

A high availability system of 99.99% is also called

four nines

____ is expressed as a percentage. It's the ability of a system to respond to users

high availability

____ is the concept that a system is operational

high availability

the _________ the abstraction level, the ____ control you have, and _____ responsibility you have higher, more, less higher, more, more higher, less, more higher, less, less

higher, less, less

_______ computing environment that combines a private cloud with a public cloud

hybrid cloud

ex: you have an application that runs on your local servers, but when it needs additional computing owner it fires up a virtual machine and it can send traffic to the cloud for that performance This is an example of

hybrid cloud

advantage of serverless

if you don't use something, you don' pay

Azure monitor service. Create reporting, logging, get data out of services and see what is going on. help maintain your environment

monitoring

the data connection between _______ is the highest speed availaible

region pairs

ability to add capacity to your applications

scalability

the ability of the system to handle the growth of users or work

scalability

True or False: Hybrid cloud is a form of scaling

true

true or false: not all regions have equally fast access to every other region

true