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
