Azure Products Flashcards
Azure Compute
Logical grouping of services that provide on demand computing power for running application workloads
Virtual Machine
Container
Azure App Service
Serverless Computing
Benefits of Azure Compute
Easy to provision new resources
Pay for what you use
Scale depending on workloads
PaaS options available
Virtual Machines
Infra-as-a-Service (IaaS) offering
Full control over OS
Type of Image - OS, software
Size of VM
Availability options
Virtual Machine Scale Set
Identical VMs with load balancing
Number of VMs can scale out/in
Spread across fault domains and update domains
Only pay for the underlying resources
Benefits of Virtual Machines
Can install custom software
Can shut down to save costs (scalability)
Enables hybrid cloud
Familiar administrative model
Containers vs VMs
Containers virtualize the OS - VMs virtualize the hardware
Containers
A way to wrap an application into its own isolated package.
A container is the runnable instance of an image
An Image is a read-only template with instructions on how to create the container.
Docker
A standard for container formats.
Runtime for docker containers
A company that involves the tech (Open source)
Hosting Container Options
Local Workstation
On-premises Servers
VMs in Azure
Azure Container Instances (ACI)
Azure Kubernetes Service (AKS)
Azure App Service
Azure Container Instances (ACI)
A managed serviced that allows you to run containers directly on Microsoft Azure Public Cloud.
Azure Container Instance Features
Support for both Linux and Windows containers
launch new containers through the Azure portal or command line interface (CLI)—underlying compute resources are automatically configured and scaled
Support for standard Docker images and the use of public container registries, such as Docker Hub, as well as Azure Container Registry
provide access to containers over Internet using a fully qualified domain name and IP address
specify the number of CPU cores and memory required for container instances
Azure Kubernetes Service (AKS)
Offers a managed container orchestrator in the Azure cloud, based on Kubernetes ( de-facto orchestrator).
Management of containers and container-based applications including deployment, management and scaling
Azure App Service
Platform as a Service offering for hosting code.
Similar to traditional web hosting
Azure manages web servers for you
Framework runtimes installed on severs
An app service is basically in an individual website or an API web service or a mobile back-end that you host. - code hosted on a web server.
Azure App Service Plan
Required before creating an App Service.
App Service Plan defines the infrastructure (VMs on Azure Public Cloud)
You can choose the OS, Region, Pricing Tier for these VMs.
Multiple App services can be run on a single App Service Plan
Azure Serverless Computing technologies
Azure Functions
Azure Logic Apps
Azure Event Grid
Azure Functions
Run small pieces of code, initiated by triggers (event or timer based)
Azure Logic Apps
Design workflows in the portal (low/no code)
Can call Azure Functions
Large library of connectors
Initiated by triggers, can also call its HTTP endpoint.
Azure Virtual Network (VNet)
The fundamental building block in your private network.
Has an address space
Is segmented into one or more sub networks (subnets)
You can deploy resources into VNets
Azure Resource Communication within VNets and across VNets.
Resources can communicate with each other if on the same VNet
Resources cannot communicate with each other if in different VNets (by default).
VNet Peering
Allows for communication between resources on different VNets
Resource communication with the Internet when situated in a VNet
Outbound communication with the internet by default
For Inbound Communication a resource must be assigned a public IP address, which is also an Azure resource.
Azure Application Gateway
An Azure resource that is a web traffic balancer that exposes a public IP to the internet with a lot of features.
SSL termination
Session Affinity
HTTP Header Rewriting
Autoscaling
Advanced Routing
Web Application Firewall
VPN Gateway
Allows for a Hybrid Cloud.
Your resources on your VNET can communicate securely with your On-premises resources.
Deployed in the VNet and communicates with a VPN on-premises.
ExpressRoute
Allows for a connection between Azure resources in a VNet and on-premises resources.
A private connection that does not go over the internet.
Requires a third-party service (AT&T, verizon etc.) that is physically co-located with Microsoft data centers.
ExpressRoute Pricing
Metered pricing (per GB outbound)
Unlimited data
50Mbps to 10Gbps
100Gbps (ExpressRoute Direct)
Windows Virtual Desktop
Virtualization service in Azure
Full desktops for users
Apps running remotely
Supports Windows, Mac, iOS, Android, HTML5 browser
Windows Virtual Desktop and Windows 10 Multi-Session
Allows for multiple users to use the same VMs. (previously one user per VM in remote desktop service)
Windows Virtual Desktop (Host Pools)
allocate users to sets of VMs depending on criteria you set up.
(e.g., Engineering users with high powered VMs, HR with low-spec VMs.)
Azure Content Deliver Network (Azure CDN)
Distributed Network of servers
Store cached data
Typically static data
Azure CosmosDB
Semi-structured Data storage. (NoSQL)
Globally distributed
Multi-modal
Fast response times.
Ability to scale rapidly and globally.
CosmoDB Use Cases
Retail Applications - attributes can vary and change over time (flexible schema of CosmosDB allows for this)
Gaming Applications - Millions of simultaneous updates and millisecond reads provided by CosmosDB is necessary to deal with real-time gaming data.
Social Media Applications - user generated content is not structured (flexible schema of CosmosDB allows for this)
Azure CosmosDB performance and scalabilty
Elastically scale throughput and storage across any number of azure regions
add or remove regions easily
backed by SSD storage
consistency options to ensure distributed data is updated.
CosmosDB APIs
SQL API Cassandra MongoDB Gremlin Azure Table Storage
Azure Storage Services
Blob Storage File Storage Disk Storage Table Storage Queue Storage
Locally Redundant Storage (LRS)
Data is stored three times in the primary data center
Zone Redundant Storage (ZRS)
Copy the data within different availability zones
Geo Redundant Storage (GRS)
Copy the data across regions.
Shared Access Signature
Security Token string (“SAS Token”)
Provide access to:
Storage Account
Services (Blob or File)
Individual Containers and Blobs
Can set start and end validity time periods
Contains permissions (read, write, etc)
Azure Files
Support the SMB protocol
Attach to multiple VMs
File share with drive letter
Good for migration scenarios
Accessible through REST interface
mechanisms for restricting access
Azure Blob
Binary Large OBject
optimized for massive amounts of unstructured data
Block Blobs
store text and binary data
a single blob is made up of multiple blocks
Append Blobs
can only append blocks.
Ideal for logs or data that needs to stored in append mode.
Page Blob
Random access files
8TB max blob size
frequent random/rewrite operations.
used to store disks for VMs and databases
Blob Access Tiers
Hot Tier - Highest storage cost, lowest access cost
Cool Tier - Lower storage cost, higher data access cost
Archive Tier - Lowest storage cost, highest data retrieval cost, data is offline
Blob Service Features
Blob Snapshots
Blob leases - prevent other people from modifying them
Soft Delete - recycle bin for your blobs
Static Website hosting
CDN integration - optimize delivery of blobs
Azure Search Integration - index the contents of the blobs
Azure Data Migration Service (DMS)
Managed service to migrate database data to Azure data platforms
Azure Data Migration Service (DMS)
Managed service to migrate database data to Azure data platforms
Typical data migration (DMS)
Create target database in Azure
Assess source database for compatibility
Create instance of Azure DMS
Configure source and target database
Switchover production applications
Azure IoT Hub
Platform service
Connecting devices to the cloud
Managing devices
Ingesting data
bi-directional communication
automatic provisioning of device objects
Azure IoT Central
Managed app platform
faster to start developing solutions
industry-specific templates
built-in device profiles
Azure Sphere
Application platform
- micro-controller unit (hardware)
- linux-based OS
- cloud-based security service
Foundation of IoT devices
Component to IoT solutions
Devices also use Azure Sphere service
Azure HDInsight
Managed Service
Supports Big Data
Hadoop
MapReduce
ApacheSpark
Apache Hive
Azure Databricks
Databricks is a company outside of Microsoft
Azure has hosted Databricks platform
Based on apache spark
fully managed spark Clusters
Serverless option
Azure Synapse Analytics
Formerly SQL Data Warehouse
Storage Component (SQL Data Warehouse Component)
Azure Synapse analytics workspaces (SQL, spark, pipelines for orchestration, serverless or provisioned, ETL)
Azure Machine Learning
A service for managing the machine learning project lifecycle.
Train models, AutoML, hyperparamater optimization, deploy models, real-time scoring and batch scoring.
Supports models from open-source platforms (Pytorch, TensorFlow, scikit-learn etc.)
Azure Cognitive Services
Prebuilt AI-capabilities that can be included in your apps using APIs and SDKs in Azure.
Azure Cognitive Services: Vision
Computer Vision.
Process and catalog images, Caption Generation, OCR, Face API (facial recog), Form Recognizer (document extraction)
Azure Cognitive Services: Vision
Computer Vision.
Process and catalog images, Caption Generation, OCR, Face API (facial recog), Form Recognizer (document extraction)
Azure Cognitive Services: Speech
Speech-to-text
text-to-speech
Speaker recognition
Azure Cognitive Services: Language
Language Understanding API
Sentiment Analysis
Translator Service
Azure Cognitive Services: Web Search Service
Bing APIs - Web Search, Custom Search, Image Search, Entity Search, News Search, Video Search, Visual Search, Autosuggest, Spell Check, Business Search
Azure Cognitive Services: Decision APIs
Anomaly API
Content Moderator
Personalizer
Azure Bot Service
Abstracts away the underlying services provided by Azure Cognitive Services.
Virtual Assistant on the Web
Responds to Questions
Uses Natural Language Processing
Tools - Bot Framework SDK, Bot Framework Composer.
Azure DevOps Pipelines
Build pipelines and release pipelines
Defined by YAML
Code can be pulled from Azure Repos or external repo (GitHub)
Run tests during pipeline
GitHub Actions
Similar to Azure DevOps Pipelines
Also written in YAML
Build code on windows, linux and mac agents
Azure DevTest Labs
Base images for virtual machines
Images pre-configured with tools
Existing VMs in a pool
resource constraints that can be created by developer
size, number of VMs
Use cases for Azure DevTest Labs
Developer desktops
Test environments
Hands-on Labs
Sandbox environment
Azure SQL Offerings
Azure SQL Database - Fully managed PaaS
Azure SQL Managed Instance - Hybrid between PaaS and IaaS
SQL Server on Azure VM - IaaS, supports all SQL On-Premises capabilities.
