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AZ-900 > Core Azure Services > Flashcards

Core Azure Services Flashcards

1
Q

Regions

A
  • Regions are made up of one or more datacenters in close proximity.
  • Provide flexibility and scale to reduce customer latency.
  • Preserve data residency with a comprehensive compliance offering.

*Azure offers more global regions than any other cloud provider with 60+ regions representing over 140 countries

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2
Q

Region Pairs

A
  • At least 300 miles of separation between region pairs.
  • Automatic replication for some services.
  • Prioritized region recovery in the event of outage.
  • Updates rollout sequentially to minimize downtime.
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3
Q

Availability Zone

A
  • Physically separate datacenters within an Azure region. 3 AZs in each region.
  • Each zone is made up of one or more datacenters equipped with independent power, cooling, and networking.
  • Set up to be an isolation boundary. If one zone goes down, the other continues working (downtime protection).
  • Availability zones are connected through high-speed, private fiber-optic networks.
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4
Q

Availability Options

A
  • Single VM – easier lift and shift (VM SLA: 99.99% w/ premium storage)
  • Availability Zones – protection from entire datacenter failures (VM SLA: 99.99%)
  • Region pairs – regional protection w/in data residency boundaries (multi-region DR)
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5
Q

Azure Resources

A

VMs, Storage Accts, VNs, App Services, SQL Databases, Functions

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6
Q

Resource Groups

A

A container that holds related resources for an Azure solution. The resource group includes resources that you want to manage as a group. You decide which resources belong in a resource group based on what makes the most sense for your organization.

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7
Q

Resource Group Characteristics

A
  • Resources can exist in only one resource group.
  • Resources can exist in different regions.
  • Resources can be moved to different resource groups.
  • Applications can utilize multiple resource groups.
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8
Q

Resource Group Benefits

A
  • If you delete a resource group, all resources contained within it are also deleted.
  • Organizing resources by life cycle can be useful in nonproduction environments, where you try and dispose stuff.
  • Resource groups make it easy to remove a set of resources all at once.
  • Resource groups are also a scope for applying role-based access control (RBAC) permissions.
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9
Q

Azure Resource Manager

A

Provides a management layer that enables you to create, update, and delete resources in your Azure subscription.

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10
Q

Azure Subscriptions

A

Provides you with authenticated and authorized access to Azure accounts.
• Billing boundary: generate separate billing reports and invoices for each subscription.
• Access control boundary: manage/control access to the resources that users can provision with specific subscriptions.

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11
Q

Subscription Functionality

A

If you have multiple subscriptions, you can organize them into invoice sections. Each invoice section is a line item on the invoice that shows the charges incurred that month.

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12
Q

Management Groups

A
  • Management groups can include multiple Azure subscriptions.
  • Subscriptions inherit conditions applied to the management group.
  • 10,000 management groups can be supported in a single directory.
  • Management group tree can support up to 6 levels of depth - doesn’t include root level or subscription level.
  • Each management group and subscription can support only one parent.
  • Each management group can have many children.
  • All subscriptions and management groups are within a single hierarchy in each directory.
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13
Q

Virtual Machines

A
  • SW emulations of physical computers.
  • Virtual processor, memory, storage, network.
  • Virtual machine scale sets let you deploy and manage a set of identical virtual machines.
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14
Q

App Services

A

• Fully managed platform to build, deploy, scale web apps and APIs quickly. Works w/ .Net, .NetC Core, Node.js,
Java, Phython, or php
• PaaS - enterprise grade performance, security, and compliance requirements

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15
Q

Container Instances

A
  • A fully managed platform to build, deploy, and scale web apps and APIs quickly
  • PaaS - enterprise grade performance, security, and compliance requirements
  • Light-weight, virtualized environment that does not require OS mgmt and can respond to changes on demand
  • PaaS offering that runs a container in Azure without the need to manage a VM or additional services
  • Logically separate applications into multiple containers
  • Offers fastest/simplest way to run a container w/out having to manage VMs or adopt any additional services
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16
Q

Azure Kubernetes Services (AKS)

A
  • An orchestration service for containers with distributed architectures and large volumes of containers.
  • Platform for managing containerized workloads.
17
Q

Azure Virtual Desktop

A
  • A desktop and app virtualization that runs in the cloud.

* Create a full desktop virtualization environment without having to run additional gateway servers.

18
Q

Windows Virtual Desktop

A
  • A desktop and app virtualization that runs in the cloud.
  • Create a full desktop virtualization environment without having to run additional gateway servers.
  • Publish unlimited host pools to accommodate diverse workloads.
  • Reduce costs with pooled, multi-session resources.
19
Q

Azure Virtual Network (VNet)

A

Enables Azure resources to communicate with each other, the internet, and on-premises networks.

20
Q

Virtual Private Network Gateway (VPN)

A

Used to send encrypted traffic between an Azure VN and an on-premise location over the public internet.

21
Q

Azure Express Route

A

Extends on-premises networks into Azure over a private connection that is facilitated by a connectivity provider.

22
Q

Azure container storage (blob)

A

• An object storage solution for the cloud.
• It can store massive amounts of data, such as text or binary data.
• Azure Blob Storage is unstructured, meaning that there are no restrictions on the kinds of data it can hold.
• Blob Storage can manage thousands of simultaneous uploads, massive amounts of video data, constantly growing
log files, and can be reached from anywhere with an internet connection.

23
Q

Disk storage

A
  • Provides disks for Azure virtual machines.
  • Applications/other services can access/use disks as needed, like in on-premises scenarios.
  • Disk Storage allows data to be persistently stored and accessed from an attached virtual hard disk.
24
Q

Azure Files

A

• Offers fully managed file shares in cloud that are accessible via industry standard Server Message Block and
Network File System (preview) protocols.
• Can be mounted concurrently by cloud or on-premises deployments of Windows, Linux, and macOS.
• Applications running in Azure VMs/cloud services can mount a file storage share to access file data, just like
desktop application would mount a typical SMB share.
• Any number of Azure virtual machines or roles can mount and access the file storage share simultaneously.

25
Q

Azure Storage Access Tiers

A

• Hot - Optimized for storing data that is accessed frequently.
• Cool - Optimized for storing data that is infrequently accessed and stored for at least 30 days.
• Archive - Optimized for storing data that is rarely accessed and stored for at least 180 days with flexible latency
requirements.

26
Q

Azure Cosmos Database

A

A globally-distributed database service that elastically and independently scales throughput and storage.

27
Q

Azure SQL Database

A

A relational database as a service (DaaS) based on the latest stable version of the Microsoft SQL Server database engine.

28
Q

Azure Database for MySQL

A

A fully-managed MySQL database service for app developers.

29
Q

Azure Database for PostgreSQL

A

A relational database service based on the open-source Postgres database engine.

30
Q

Azure SQL Managed Instance

A

Allows existing SQL Server customers to lift and shift their on-premises application to the cloud with minimal application and database changes. PaaS.
• Fully managed and evergreen platform as a service.
• Preserves all PaaS capabilities (automatic patching and version updates, automated backups, and high availability)
• Exchange existing licenses for discounted rates on SQL Managed Instance using the Azure Hybrid Benefit

31
Q

Azure Marketplace

A

• Allows customers to find, try, purchase, provision apps/services from leading service providers.
• Helps connect users with Microsoft partners, independent software vendors, and startups offering their
solutions and services.
• All solutions and services are certified to run on Azure.

AZ-900 (7 decks)

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